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API-571 Corrosion and Materials Professional tricks | crejusa.com

API-571 tricks - Corrosion and Materials Professional Updated: 2023

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Exam Code: API-571 Corrosion and Materials Professional tricks November 2023 by Killexams.com team

API-571 Corrosion and Materials Professional

Exam Detail:
The API-571 Corrosion and Materials Professional certification exam is designed to assess the knowledge and expertise of professionals working in the field of corrosion control and materials selection in the oil and gas industry. Here are the exam details for API-571:

- Number of Questions: The exam consists of 100 multiple-choice questions.

- Time Limit: The time allocated to complete the exam is 3.5 hours.

Course Outline:
The API-571 certification is based on a comprehensive body of knowledge that covers various aspects of corrosion and materials in the industry. The course outline generally includes the following areas:

1. Corrosion Control:
- Corrosion mechanisms and types.
- Corrosion monitoring and inspection techniques.
- Corrosion prevention and control methods.

2. Corrosion Management:
- Risk assessment and management.
- Corrosion control documentation and procedures.
- Corrosion mitigation strategies.

3. Materials Selection and Design:
- Material properties and selection criteria.
- Material degradation mechanisms.
- Material selection for specific environments and applications.

4. Inspection and Testing:
- Non-destructive testing techniques.
- Material and coating evaluation methods.
- Failure analysis and root cause determination.

5. Corrosion in Specific Environments:
- Corrosion in pipelines and vessels.
- Corrosion in refining and chemical processing.
- Corrosion in offshore and marine environments.

Exam Objectives:
The objectives of the API-571 exam are as follows:

- Assessing candidates' understanding of corrosion mechanisms and types.
- Evaluating candidates' knowledge of corrosion monitoring and inspection techniques.
- Testing candidates' proficiency in corrosion prevention and control methods.
- Assessing candidates' familiarity with materials selection criteria and material degradation mechanisms.
- Evaluating candidates' understanding of non-destructive testing techniques and failure analysis.

Exam Syllabus:
The specific exam syllabus for the API-571 exam covers a wide range of topics related to corrosion and materials. The syllabus includes:

1. Corrosion Mechanisms:
- Uniform corrosion.
- Galvanic corrosion.
- Pitting corrosion.
- Crevice corrosion.
- Stress corrosion cracking.
- H2S corrosion.

2. Corrosion Monitoring and Inspection:
- Corrosion rate measurement.
- Cathodic protection monitoring.
- Corrosion coupon and probe monitoring.
- Visual inspection techniques.
- Ultrasonic testing.

3. Corrosion Prevention and Control:
- Protective coatings and linings.
- Cathodic protection systems.
- Inhibitors and corrosion inhibitors.
- Material selection for corrosion resistance.

4. Materials Selection and Design:
- Mechanical properties of materials.
- Chemical resistance of materials.
- Material selection for specific applications.
- Material degradation mechanisms.

5. Non-Destructive Testing:
- Ultrasonic testing.
- Magnetic particle testing.
- Liquid penetrant testing.
- Radiographic testing.

6. Failure Analysis and Root Cause Determination:
- Failure modes and mechanisms.
- Failure investigation techniques.
- Root cause analysis.
Corrosion and Materials Professional
API Professional tricks

Other API exams

API-571 Corrosion and Materials Professional
API-580 Risk Based Inspection Professional

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Question: 285
With steam blanketing, failure occurs as a result of _________ in the tube from the internal steam pressure at the
elevated temperature.
A . Stress risers
B . Velocity
C . Hoop stress
D . Tensile strength
Answer: C
Question: 286
Carbon dioxide corrosion results when CO dissolves in water to form _________ acid.
A . Sulfuric
B . Hydrochloric
C . Carbonic
D . None of the above
Answer: C
Question: 287
Protection in a boiler from boiler feed water corrosion is accomplished by:
A . Injecting chlorines to kill microbiological bugs.
B . Injecting caustic to lower the ph to < 4.0.
C . Lowering solids content in boiler feed water to less than 50 ppm.
D . Maintaining a protective corrosion layer of magnetite (Fe3O4).
Answer: D
Question: 288
Susceptibility to hydrogen stress cracking __________ with __________ hardness.
A . Increases, increasing
B . Decreases, increasing
C . Decreases, Decreasing
D . Both A and C
Answer: D
Question: 289
With sour water corrosion, corrosion increases with __________ NH4HS concentration and __________ velocity.
A . Increasing, Decreasing
B . Increasing, Increasing
C . Decreasing, Decreasing
D . Decreasing, Increasing
Answer: B
Question: 290
_________ is the main concern during start-up, shutdown and/or hydro testing for equipment/piping operating at
elevated temperatures. This event can also occur in an auto refrigeration event in units processing light hydrocarbons.
A . Stress fracture
B . Carburization
C . Spheroidization
D . Brittle fracture
Answer: D
Question: 291
With creep, increased stress due to loss in thickness from corrosion will ________ time to failure.
A . Increase
B . Reduce
C . Not affect
D . None of the above
Answer: B
Question: 292
With hydrofluoric acid corrosion, corrosion rates increase with _______ temperatures and ______ HF concentrations.
A . Increasing, decreasing
B . Decreasing, increasing
C . Increasing, increasing
D . Decreasing, decreasing
Answer: A
Question: 293
To prevent hydrogen embrittlement, use lower strength steels and _________ to temper the microstructure, improve
ductility and reduce residual stresses.
A . Alloys
B . Preheat
C . PWHT
D . All of the above
Answer: C
Question: 294
The level of creep damage is a function of the material and the coincident _________ level at which the creep
deformation occurs.
A . Pressure/Temperature
B . Pressure/Stress
C . Temperature/Stress
D . None of the above
Answer: C
Question: 295
A form of corrosion that can occur at the junction of dissimilar metals when they are joined together in a suitable
electrolyte is __________.
A . Galvanic corrosion
B . Anodic corrosion
C . Cathodic corrosion
D . All of the above
Answer: A
Question: 296
The primary factors affecting high temperature oxidation are metal temperature and _______.
A . Pressure
B . Alloy composition
C . Stress
D . Oxygen
Answer: B
Question: 297
Sulfuric acid promotes general and localized corrosion of carbon steel. Carbon steel heat affected zones may
experience severe corrosion. Acid concentration, temperature, alloy content and ____________ are critical factors
affecting sulfuric acid corrosion.
A . Pressure
B . Stress
C . Velocity
D . Ductility
Answer: C
Question: 298
Which of the following materials is affected by high temperature corrosion?
A . Carbon steel
B . 300 Series SS
C . 400 Series SS
D . All of the above
Answer: D
Question: 299
Many thermal fatigue cracks are filled with:
A . chlorides.
B . hydroslime.
C . oxides.
D . sulfides.
Answer: C
Question: 300
Ammonium chloride corrosion is the general or localized corrosion, often pitting, normally occurring under ammonium
chloride or amine salt deposits. All commonly used materials are susceptible to ammonium chloride corrosion. A small
amount of _________ can lead to very aggressive corrosion.
A . Ammonium chloride
B . Amine
C . Water
D . Salt
Answer: C
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View documentation

The Campaign Finance API includes information about electronic filings, which are submitted to the Federal Election Commission on nearly every day of the year. The API, which originated at The New York Times in 2008, provides details about specific types of filings, filings for a specific date and a summary of financial information in each filing.

The API does not include itemized contribution records except in some specific circumstances. If you’re looking to search for contributors, the FEC and the Center for Responsive Politics make bulk data available, and the FEC’s new beta site also has an individual search.

The FEC has provided this data in bulk for decades, and has recently launched a beta API of its own that has includes candidates, committees, filings and some itemized transactions. There is some overlap between the FEC’s API and ProPublica’s: both offer users the ability to search for candidates or committees and summary financial information, while both offer information that the other does not.

One big difference is timeliness: the FEC API is updated nightly, while ours will be updated throughout each day. For many users of campaign finance data, that distinction may not be a big deal, but on filing days, when thousands of filings are submitted to the FEC, timeliness can matter a lot. Another is the source data: the FEC considers electronic filings to be “unofficial” in the sense that data from them is then brought into agency databases before being published as bulk data. The FEC API publishes data only from those official tables, while the ProPublica API has data from both the official tables and the raw electronic filings. As the FEC API develops, we may move to incorporate aspects of it into the ProPublica API, or to remove clearly duplicative offerings.

ProPublica

Use of this API is available under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 United States license. Additionally, the data returned by the Campaign Finance API is subject to the official sale and use restrictions set by the Federal Election Commission. Commercial uses (as permitted under SEC rules) may be subject to additional fees.

Wed, 05 Jul 2023 05:21:00 -0500 text/html https://www.propublica.org/datastore/api/campaign-finance-api
Leonardo Ai API now available for individuals and businesses

Leonardo AI production API now live

The development team at Leonardo Ai have recently announced the launch of its new Production API. This cutting-edge development now allows both individuals and businesses to integrate the companies AI art generator into their systems and applications. This is a significant step forward in the integration of AI into business workflows and is also availability for personal use. Marking a new era in the fusion of technology and creativity with AI art generators. Whether you’re making a personal project or a service that serves millions of end-users, the Leonardo Ai Production API has you covered, say it’s development team.

Creating an API key for Leonardo.Ai’s platform is a straightforward yet crucial step for anyone looking to harness the power of its Production API

1. Getting Started with Your Leonardo Account

First things first, you need to have a Leonardo account. If you haven’t already, it’s easy to sign up. Just head over to the Leonardo web application. It’s important to note that a subscription to the web app is not necessary for API use. Leonardo offers distinct subscription plans for the API, which we will explore shortly.

2. Choosing Your API Plan

Once you’re logged in, your next step is to navigate to the API Access menu in the Leonardo web app. Here, you will find an option to subscribe to an API plan. Leonardo.Ai presents a range of plans to suit different needs, including API Basic, API Standard, and API Pro. Additionally, for unique requirements, you can contact the team to set up a Custom Plan. Remember, an API plan is different from a web-app plan and is focused on providing access to the Production API.

3. Provisioning Your API Key

After selecting your API plan, you will be directed to the API Access Page. Here’s where the magic begins. You can generate your first API key by clicking the ‘Create New Key’ button. When creating your API key, you’ll need to input a name for the key and, if desired, set up optional webhook callback details. This feature is particularly useful as Leonardo notifies you when image generation is complete, saving you the hassle of constantly checking back.

4. API Best Practices

To ensure optimal management and security:

  • Limit the number of API keys you create.
  • Develop a naming system for your API keys that reflects the application name, environment, or team, like mywebapp-dev or myiosapp-prod.
  • Utilize the webhook callback feature for efficient notification on completed generations.

5. Testing Your API Key

Before diving into development, it’s wise to test your API key. Leonardo.Ai makes this easy. Simply visit the Get User Information page in their API documentation. Here, you can input your key under ‘Bearer’ and click ‘Try It’ to ensure everything is functioning as expected. Setting up and using an API key for Leonardo.Ai’s Production API is a user-friendly process that opens doors to a world of creative possibilities. Whether you’re a seasoned developer or just starting out, Leonardo.Ai’s API offers a versatile and powerful tool for your projects.

Leonardo AI production API now available for businesses 2023

Other articles you may find of interest on the subject of Leonardo Ai :

Image Guidance

Another exciting features of Leonardo.Ai’s AI-powered creative process tool is the Image Guidance feature. The company recently introduced an alpha version of this feature, which offers users the option to upload multiple reference images. Users can then select from various options such as depth-to-image and pattern-to-image. This feature is expected to be fully released in the coming days, further enhancing the tool’s capabilities.

Alchemy V2 and Alchemy Refiner

In addition to the Image Guidance feature, Leonardo.Ai has also launched Alchemy V2 and Alchemy Refiner. These tools are designed to transform prompts into complex, high-quality images and refine every detail of the artwork. Alchemy V2 includes three additional SDXL models: Leonardo Diffusion XL, Leonardo Vision XL, and Albedo Base XL. These additional models significantly enhance the tool’s ability to produce stunning, detailed images.

I’m Feeling Lucky

Injecting a dose of creative randomness into the process is the “I’m Feeling Lucky” prompt button. This feature generates new prompt ideas and adds unexpected twists to the creative process. It’s a testament to Leonardo.Ai’s commitment to fostering creativity and innovation in its users.

iOS app

Recognizing the need for mobile accessibility, Leonardo.Ai has released an iOS app. This allows users to use Alchemy V2 and the new XL models on the go, ensuring that creativity is never hampered by location or device constraints.

Canvas Persistent Mode

Finally, the company has introduced the Canvas Persistent Mode. This feature allows users to pick up where they left off in their creative process, as the browser remembers every stroke. This ensures a continuous creative process, allowing users to maintain their flow and momentum.

The launch of Leonardo.Ai’s new Production API and the introduction of these innovative features represent a significant leap forward in the integration of AI into business systems. These developments will undoubtedly revolutionize the creative process, offering businesses a more streamlined, efficient, and innovative way to harness the power of AI. With its commitment to continuous improvement and innovation, Leonardo.Ai is set to remain at the forefront of AI-powered creativity.

Filed Under: Technology News, Top News

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Fri, 10 Nov 2023 10:00:00 -0600 Julian Horsey en-US text/html https://www.geeky-gadgets.com/leonardo-ai-api/
Two M3 MacBook Pro tricks you should know before you buy one

Apple unveiled the M3 MacBook Pro and iMac models last week, opening online preorders. The M3 MacBook Pro, M3 Pro MacBook Pro, and M3 iMac models are already shipping, with the M3 Max MacBook Pro versions having a slightly delayed release date. They’re coming later this month, so you won’t have too long to wait.

Whether you purchased your new M3 MacBook Pro flavor or not, you should be aware of two great tricks. They’ll help you decide what M3 MacBook Pro version to buy next if you didn’t get one. Or maybe replace the one you got with a different version.

The 14-inch version now supports the High Power Mode that was exclusive to the 16-inch MacBook Pro in previous generations. As for the 16-inch M3 flavors, they can recharge at 140W over USB-C and MagSafe.

As a reminder, the late 2023 MacBook Pro comes in two screen sizes. The 13-inch version is gone, so you can choose between the 14-inch or 16-inch MacBook Pro models. When it comes to System-on-Chip (SoC) choices, you have three options: M3, M3 Pro, and M3 Max.

In total, you end up with five different new M3 MacBook Pro versions. The cheapest model only comes in a 14-inch flavor, the $1,599 M3 MacBook Pro.

High Power Mode on M3 Max MacBook Pros

The M3 chips bring big performance gains across the board, with the M3 Max delivering the best upgrade for the MacBook Pro. We’re looking at M2 Ultra desktop performance in a laptop, according to benchmark results.

If you somehow need more power, the M3 Max models will support High Power Mode. As SixColors points out, the mode is available for both the MacBook Pro 14-inch and 16-inch laptop. Expect the laptop’s fans to kick into high gear when you enable the mode:

For some tests, I switched the MacBook Pro into High Power Mode, which is now available on both 14- and 16-inch models in the M3 Max configuration. (Previously, it was only available on 16-inch models.) I didn’t actually find it made much of a difference in the tests I was running, but it sure did make the fans kick in at a very loud volume.

Adding support for High Power Mode to the smaller MacBook means you no longer need to buy the larger, slightly bulkier, 16-inch version to use the feature.

Fast battery charging without MagSafe

The M3 MacBooks support fast battery charging if you use the USB-C-to-MagSafe cable that comes in the box. That’s something previous models also offered. Like all MacBooks with USB-C ports, you can recharge the laptop using a regular USB-C-to-USB-C cable. Just as you would have done it before Apple brought back MagSafe charging to the MacBook.

Apple updated its support document for MacBook battery charging. Apple explains that you can fast-charge the late 2023 MacBook Pro 16-inch model at 140W speeds by using the MagSafe 3 cable or a 240W USB-C Charge Cable (2m).

Previous 16-inch MacBook Pro models with M-series chips also support 140W charging over MagSafe. But USB-C charging is capped at 100W.

That also means the late 2023 MacBook Pro 14-inch models can fast-charge using USB-C as long as you get a charger that supports at least 100W of power. The smaller laptops will ship with chargers that offer around 70W of power.

As we’ve already seen in M3 MacBook Pro battery life tests, the new laptops will offer amazing battery life. That means you’ll hardly need to fast-charge your laptop before leaving the house or the office. However, in case you do need to reach a 50% charge in around 30 minutes, you’ll want to ensure you always pack the right charger and cable combination.

Tue, 07 Nov 2023 21:50:00 -0600 en-US text/html https://bgr.com/tech/2-m3-macbook-pro-tricks-you-should-know-before-you-buy/
3 tricks professional decorators use to remove wallpaper quickly and easily - 'it really shouldn't take too long!'

Tired of your old wallpaper and are wondering how to remove wallpaper to freshen up your space? As they say, what goes up has to come down eventually, and it's pretty simple to accomplish this task without it taking hours and hours, and without damaging your home's drywall. All you need is a few tools, and to keep some safety steps and removal techniques in mind.

To help you through the process, we reached out to professionals who offered tips and crucial advice to help you through the way. Take a look at methods of taking down wallpaper and enjoy this DIY project you can complete in a day.

What should you keep in mind before removing the wallpaper?

A corner in the living room with a bold wallpaper

Removing bedroom, kitchen, or living room wallpaper is going to be a messy and wet affair, so make sure you and your house is well-prepared for it. Cover all the outlets and furniture so you don't get any dirt on them.

'Before removing the wallpaper, test a small area in an inconspicuous spot to ensure the wall underneath is in good condition,' says Jay Sanders, owner of Castle Dream Construction. 'If you are removing wallpaper from a textured wall, you may need to use a wallpaper scraper or putty knife to remove the adhesive residue.'

'Check for lead paint, especially in older homes, as disturbing it can be hazardous,' says Michael Gottron, owner of a family-run professional cleaning service, Germicidal Maids. 'If you find lead paint, consult a professional. Next, ensure you have the time and patience; this process can be time-consuming.'

'Also, before removing wallpaper, it's important to protect the floor and any furniture with drop cloths or plastic sheets,' says Rick Hernandez, president &amp; owner of Sepi Painting &amp; Waterproofing. 'Also remember to switch off electricity in the area, especially if working near outlets or switches, to ensure safety.'

3 ways to remove wallpaper

1. Use a steamer

Whether you have a permanent or temporary wallpaper, one of the easiest ways to remove it is with a steamer.

'One of the most common ways to remove a wallpaper involves softening the adhesive using a solution or a steamer, and then gently scraping off the wallpaper with a knife,' says Rick.

Try peeling a small portion of the paper to see if it can easily be removed without tearing. 'Strippable wallpapers may come off easily by pulling from a corner, while others might require more effort. It's essential to proceed gently to avoid damaging the underlying wall surface.' It might seem like a big investment, but you can get steamers like this one from Amazon for less than $60.

2. Consider the water, sprayer and putty knife method

To remove your bedroom or kitchen wallpaper more systematically, use the water-based stripping method.

'You'll need a five-gallon bucket, a pump sprayer, plastic to cover your floor, plenty of blue, heavy-duty shop paper towels, a putty knife or 5-in-1 tool, dish detergent, and hot water,' says Bill Nishanian, owner of Nash Painting. 'Unless you plan to replace the floor, cover it completely in plastic before you begin. Use heavy-duty tape to affix the plastic to the baseboards. Fill a five-gallon bucket with hot water and add Dawn dish detergent. Then roll out six to eight feet of paper towels, soak them in the bucket, and lift them out without wringing. Spread the wet paper towels across the area of wallpaper you want to remove, continuing until it's all covered.'

'The damp paper towels should stick to your walls,' says Bill. 'Fill the pump sprayer with the hot soapy water solution and spray the paper towels intermittently to keep them damp. After 10 to 15 minutes, peel back a small section of the blue paper towels and check the wallpaper with a putty knife or five-in-one scraper. If the wallpaper comes off easily, you can remove the paper towels and begin to scrape off the wallpaper. If it's not ready, keep it wet for a little longer and try again. If this doesn't work, you likely have vinyl-backed wallpaper. If this is the case, you'll need to use the scoring tool to create holes so the water can get to the back of the paper to loosen it.'

3. Create a homemade removal solution

Used as a natural paint remover, vinegar is also effective in taking down wallpaper.

'The water and vinegar method is a natural and efficient approach,' says Michael. 'Apply it to the wallpaper using a sponge or spray bottle, allowing it to soak in for about 15 minutes. This helps to loosen the adhesive.'

'I can recommend water and vinegar as a very effective method for removing wallpaper, especially wallpaper that's stubbornly hanging on,' says Andre Kazimierski, CEO, of Improovy Painters Chicago. 'Of course, first, you will want to carefully score the wallpaper so your solution can reach the adhesive. Then, the vinegar will help eat away the adhesive for easier removal.'

How to deal with a wallpaper you can't remove?

Some homes have extremely old wallpapers that have been around for generations. These may be installed on plaster walls instead of drywall – the latter of which is softer and more prone to dampness and gouging. In cases where the removal is extremely tedious, the question arises – can you paint over wallpaper?

'If the wallpaper comes off easy you are good, but if it is taking hours to remove then it might be best to seal the wallpaper and cover it up without removing it,' says Kelly Madris, owner of the Phoenix Arizona-based painting company, Marcel. 'Use a sealing product to seal the wallpaper if needed. You can also use an oil base primer to seal the edges of the wallpaper. Then you just paint over it. Sometimes it is easier than removing the wallpaper.'

3 wallpaper removal products to buy

Goplus wallpaper steamer

Price: $59

Mister Rui-Putty Knife

Price: $14
Quantity: 2

WP Chomp Wallpaper Stripper

Price: $13
Size: 22 fl. oz

Sat, 28 Oct 2023 12:00:00 -0500 en-US text/html https://www.yahoo.com/lifestyle/3-tricks-professional-decorators-remove-080034733.html
Pro Skier Reveals The Easiest Tricks To Learn On Skis No result found, try new keyword!Here's professional skier Bruce Oldham with an essential freestyle skiing starter guide. If you're an advanced beginner to expert freestyle/park skier, you probably took one look at the tricks ... Mon, 06 Nov 2023 10:01:00 -0600 text/html https://www.powder.com/trending-news/pro-skier-easiest-tricks-on-skis Apple’s New M3 MacBook Pro and M3 iMac: Some Tricks, Some Treats

Sorry, kids, Apple’s Halloween surprise is both trick

and treat.

At its “Scary Fast” virtual event on Monday evening, company executives announced the M3 chip family, a trio of processors that power new 14- and 16-inch MacBook Pro laptops and a new iMac. 

Copyright ©2023 Dow Jones &amp; Company, Inc. All Rights Reserved. 87990cbe856818d5eddac44c7b1cdeb8

Mon, 30 Oct 2023 12:44:00 -0500 en-US text/html https://www.wsj.com/tech/personal-tech/apples-new-m3-macbook-pro-and-m3-imac-some-tricks-some-treats-7173fdaf
Apple MacBook Pro 16-Inch (2023, M3 Max)

Apple's third-generation M3 processor lineup is here, and with it, the largest and most powerful laptop the company makes. Packaged in a snazzy black finish, the 2023 edition of the 16-inch MacBook Pro (starting at $2,499) contains class-leading parts with prices to match. Configured with an M3 Max processor rocking 40 GPU cores, 128GB of memory, and 8TB of storage, the fully decked out model we tested rings in at an eye-watering $7,199. Make no mistake, this laptop is for the most demanding professionals. It's the MacBook Pro to get for media makers, data scientists, engineers, and animators—people who need top-of-the-line performance and are willing to pay top dollar to get it. Naturally, the 16-inch MacBook Pro drives some of the best performance we've seen, earning it our Editors' Choice award for Mac workstation laptops.


Configurations: From Conservative to Crazy

With a price ranging between $2,499 and $7,199, it's obvious that you have plenty of options for customizing your MacBook build at purchase. Let's discuss just a few.

The most basic model, selling for $2,499, is outfitted with an M3 Pro processor, Apple's middle child in the M3 processor family. With 12 CPU cores (six performance cores and six efficiency cores), it's a capable system for most office workers, and the stock model comes with an 18-core GPU, 18GB of memory, 512GB of SSD storage, and enough power to drive dual external monitors at up to 6K resolution and as fast as 60Hz.

(Credit: Brian Westover)

All models of the 16-inch MacBook Pro come with a 16-inch Liquid Retina XDR display and a full complement of ports. But this base model also supports up to 36GB of memory and as much as 4TB of storage, bringing the price to $4,099.

Stepping up to the more powerful M3 Max processor bumps the price to $3,299, and it comes with a more powerful 14?core CPU, a beefy 30?core GPU, and it starts with 36GB of unified memory and 512GB of SSD storage.

However, this can be upgraded considerably (as seen in our review unit) with options for a more powerful 16-core M3 Max chip and 40-core GPU, up to 128GB of memory, and your choice of 1TB, 2TB, 4TB, or 8TB of SSD storage. Add it all up, and this top model sells for $7,199. That's a 188% increase in price from the basic M3 Max version, but this fully loaded model promises massive gains in speed and capability, not to mention more than triple the RAM and a 16-fold increase in storage space.


Design: Back In Black

The overall design of the 16-inch MacBook Pro is more or less identical to the previous model from January of 2023, which was powered by the M2 Max chip, and even the 2021 M1 Max model before that. So, let's start by noting what's different: This one comes in black.

(Credit: Brian Westover)

That's not a throwaway line, either. Apple has not only added Space Black as a color option alongside the usual Silver finish of the aluminum chassis, but with the new hue is a new anodization process. Aside from looking cool with a darker shade of bare metal, the new process alters the surface of the metal so that it is more resistant to fingerprints.

(Credit: Brian Westover)

The aluminum is 100% recycled, as are all of the metals and magnets used inside. The machined chassis is a slim 0.66-inch thick and has a 14.01-by-9.77-inch footprint that's roughly the same as older 15-inch MacBooks used to occupy, despite having a larger display.

(Credit: Brian Westover)

The flat design is less rounded than older, pre-2021 models, but the squared-off profile still features comfortably rounded corners and a satiny smooth surface that's a pleasure to hold. It's slim enough to be portable, but at 4.8 pounds, you might not want to carry it everywhere.

(Credit: Brian Westover)

It also comes with the biggest power brick of any MacBook laptop. The included 140W USB-C Power Adapter is clad in white plastic and chunky 5.52 by 4.64 by 1.28 inches. It weighs 0.75-pound, bringing the total carry weight of the laptop to just over 5.5 pounds. Apple does include a color-matched MagSafe power cable, so you can plug it in to power up in style.

(Credit: Brian Westover)

Ports and Connectivity: That's Rich

The 2023 MacBook Pro 16 also has the best connectivity of Apple's laptops. On the left side of the chassis, you'll find the MagSafe 3 power connector, two Thunderbolt 4 ports (with up to 40GBps throughput, along with DisplayPort support and optional charging to and from the MacBook), and a 3.5mm headset audio jack.

(Credit: Brian Westover)
(Credit: Brian Westover)

On the right, you get even more ports, with a third Thunderbolt 4 port, a full-size HDMI output, and an SDXC card slot. Given how many premium laptops we've tested with only Thunderbolt 4 (and sometimes not even a headphone jack!), it's refreshing to see Apple keeping more physical connections on the laptop.

For wireless networking and accessories, the MacBook has Wi-Fi 6E and Bluetooth 5.3, matching what we saw in the M2-based Pro earlier in 2023.


Display: What's In a Name?

While I may grumble about Apple's penchant for branding every given feature of a laptop, the Liquid Retina XDR display—Apple's name for the MacBook's 16.2-inch screen—is a singular type of panel in the laptop world. It's not the only high-end, high-resolution display out there, but the mix of technologies is distinctive.

The 3,456-by-2,234 pixel IPS panel achieves almost 4K resolution, with 254 pixels per inch, and it's backed with 10,000 mini-LED backlights. Those tiny but mighty pinpoints of light allow the panel to deliver OLED-like contrast levels, with deep, rich black levels and bright, vibrant color. Apple claims that the brightness for HDR content can reach 1,600 nits, with 1,000 nits of sustained brightness, but our tests showed that most of the time, it hovers just shy of 400 nits. Anecdotally, I've seen it handle HDR content with the brightness claimed, but our display tests don't measure momentary HDR brightness.

(Credit: Brian Westover)

On top of that, everything looks ultra smooth on the display thanks to the 120Hz maximum refresh rate. Using Apple's ProMotion technology, the responsive panel adjusts the refresh rate depending on what's on the screen and what you're doing, adjusting on the fly for gaming, scrolling, streaming, and more. This is one of those situations where the apparent ease with which it handles these disparate demands suggests a lot of work went into making it look so effortless.

But Apple's laptops still have one key feature missing: touch screens. For whatever reason, the company that brought us the iPhone and the iPad still refuses to put a proper touch display on a MacBook. If you want that, you'll definitely need to stick with Windows…or even a Chromebook. Seriously, Apple, some people want touch screens!

The accompanying audio is just as well done as the display, with a six-speaker sound system that features Dolby Atmos audio for spatial, three-dimensional sound. One interesting aspect of the audio design is the use of force-canceling sound, which pairs two downward-facing woofers with two upward-facing tweeters to drive more volume with less battery drain. It's a cool trick that sounds booming.


Using the MacBook Pro 16-Inch: Webcam, Keyboard, and Touchpad

Apple's 1080p FaceTime camera looks decent, especially compared with the 720p cameras that Apple used to put in its laptops. The color capture looks accurate enough, the details are crisp, and Apple bolsters the whole arrangement with features like Center Stage, which auto-centers your face even if you move. Sometimes, the added filtering and image enhancements look a little unnatural, but it's not bad.

However, for the best camera on a MacBook, Apple gives you the option of using your iPhone camera.

(Credit: Brian Westover)

Apple's keyboard is the same one we saw on the previous MacBook Pro: the updated Magic Keyboard. A fingerprint reader in the power button makes it a cinch to securely sign in with Apple ID, a feature we've appreciated for years. The square, backlit keys feel comfortable to type on, if a bit shallow, and the backlight keeps everything clear and legible, adjusting automatically for better visibility in darker rooms. With just 1mm of key travel, the Magic Keyboard lacks the depth that I've enjoyed on competing systems, like the Lenovo ThinkPad P16 Gen 1, which has a 1.5mm range of motion. It's fine if you're already an Apple user and like the keyboard, but even with the Magic Keyboard's snappy typing feel, I miss the extra depth.

Obviously, that preference is subjective, but so is the appeal of the layout. Apple keyboards use a different selection of modifier keys in addition to a standard QWERTY setup. The MacBook Pro does have full-size function keys, and the inverted T-shaped arrow cluster is a bit easier than the awkward, cramped row used on HP and other Windows systems.

Finally, I come to the Force Touch trackpad. The pressure-sensitive controls allow for all sorts of contextual functions and multi-touch gestures, but the real treat is just how big it is. The haptic surface is accurate and responsive, and I never have any problems with it misregistering a grazing palm as a swipe or click.


Apple Inside: Upgrading to M3 Max

The biggest change to the MacBook Pro isn't the cool black finish, but the processor within. Apple unveiled the new M3 chip lineup at the same time it announced the newest MacBooks, and the third generation of Apple silicon is the real scene stealer here.

(Credit: Apple)

The chip itself is enhanced with more cores—12 performance cores and four efficiency cores—giving you four more processing cores and an extra 25 billion transistors than the M2 Max. It also ramps up the memory support, letting Apple cram 128GB of memory into the MacBook Pro.

On top of this, Apple has updated the GPU with more cores, dynamic caching, and advanced capabilities, like hardware-accelerated ray tracing and mesh shading. (All of those features are explained in the above-linked coverage.) That's a big benefit for anyone who wants to use the MacBook Pro as a proper workstation.


Testing the MacBook Pro 16-Inch: Winning Performance, But Not Perfect

Speaking of workstations, that's where the bulk of our comparison models are found. With the MacBook Pro 16's hefty price and powerful CPU and GPU capabilities, it's built to take on competitors like the MSI CreatorPro X17, the Lenovo ThinkPad P16 Gen 1, and the Dell Precision 5680. Each one is not only an Editors' Choice winner, but was also tested with top-of-the-line configurations that push prices into the most premium strata. Suffice it to say that these are the best machines around, and they're priced accordingly.

We also threw in one of our favorite desktop replacement laptops, the Dell XPS 15 (9530) (2023), but don't expect this flagship system to put up a challenging showing against the maxed-out M3 Max MacBook Pro.

Naturally, we brought in recent Apple laptops: the 14-inch MacBook Pro (with M3 Pro), and the previous top dog, the MacBook Pro 16-Inch (2023, M2 Max). Less than a year has passed since we gave the prior Max-powered Pro a five-star rating, so we're eager to see what performance gains M3 Max brings to the table.

Productivity and Content Creation Tests 

We use a number of tests in our evaluations, designed to measure everything from peak processing power to battery life. You can get a decent idea of what we're running on our test bench in our guide to how we test laptops, but Apple machines use a slightly different mix of software than we use on Windows machines. Because some of our standard tests are Windows-only and several of the best Apple-silicon-friendly tests aren't available for PC laptops, we're left to mix and match tests to compare Apples to Apples and Apples to Windows.

First, we start with a trio of cross-platform tests: HandBrake 1.4, Cinebench R23, and Geekbench 5.4.1 Pro. In our HandBrake video transcoding test, we use the open-source video utility to convert a 12-minute video clip from 4K to 1080p resolution (lower times are better).

Cinebench R23 then uses Maxon’s Cinema 4D engine to render a complex scene, to test multi-core and multi-threaded processing. After that, we have a processor-intensive test in Geekbench 5.4.1 Pro by Primate Labs, which simulates popular apps ranging from PDF rendering and speech recognition to machine learning.

We usually run Adobe Photoshop under Rosetta 2 paired with the PugetBench for Photoshop test, but this time around some installation errors prevented us from testing it in the window of time we had before publishing. We'll keep working on it and update this review with scores just as soon as we get the issue sorted out.

In HandBrake, the M3 Max-powered MacBook Pro finished our transcoding test with one of the fastest times we've ever seen. In fact, the only system to do it quicker wasn't even in our comparison list, but was Apple's own Mac Studio desktop with the uber-powerful M2 Ultra, a 76-core behemoth of a chip. On the laptop side of things, the new 16-inch MacBook Pro came in more than a full minute faster than the nearest competitor, the MSI CreatorPro X17.

Similarly, the Cinebench R23 test saw the MacBook Pro blow past every workstation we compared it with, and coming in ahead of every Mac laptop we've ever tested. Anecdotally, we also ran the newer Cinebench R24 on the new machine. Where top consumer systems scored in the 400-to-500 point range, the MacBook Pro with M3 Max scored 1,700 points, proving that this configuration is miles beyond anything we recommend to the average user.

Finally, in Geekbench, we saw a similar distribution of scores, with the MacBook Pro M3 Max leveraging its chip's 16 cores to dominate the rest. The closest competitor was, again, the MSI CreatorPro X17. When it comes to exporting projects and other raw output tasks—not to mention the usual use cases—this MacBook Pro will do it faster than just about anything else you can buy.

Graphics and Gaming Tests

For an Apple-specific graphics test, we use 3DMark's Wild Life Extreme running in Unlimited mode. Unlike our usual 3DMark tests, Wild Life runs natively on Apple silicon, letting us measure graphics performance among different Mac systems. The higher the score, the better.

For cross-platform testing, we use a version of our standard GFXBench test, here running on Apple’s Metal graphics API. It stress-tests both low-level routines, like texturing, and high-level, game-like image rendering. We run two subtests, Aztec Ruins (1440p), which relies on the OpenGL application programming interface (API), and Car Chase (1080p), which uses hardware tessellation. We record the results in frames per second (fps); higher numbers are better.

For gaming, we turn to one of the few AAA titles on Mac that also provides a built-in benchmarking tool, Rise of the Tomb Raider. Yes, it's an older game, but it's one of the few in the Steam library that will both run on a Mac and includes a built-in benchmark utility. We record the average fps at different detail settings; higher numbers are better.

Graphics and game tests presented some interesting performance numbers. The scores were always high, and the MacBook Pro 16 continued to be one of the better laptops we've seen, but despite the M3 Max getting an upgraded GPU and leading in the GFXBench Aztec Ruins subtest, it wasn't as consistent, with other systems edging ahead in other tests. 

In the GFXBench Car Chase subtest, for example, the Dell Precision 5680 took the lead, thanks to its Nvidia RTX 5000 Ada workstation GPU and 16GB of VRAM. Even more curious was what we saw in Rise of the Tomb Raider, where the newer MacBook Pro 16 fell behind the previous M2 Max-powered model at all settings.

It's possible that the GPU improvements in M3 are better suited to newer games, and we'll test the broader gaming capabilities of the M3 Max chip in the near future, but it's interesting to see that the clear lead in productivity wasn't consistent across our gaming tests.

Workstation Performance Tests

Going a step beyond the usual gaming or media processing tests, we also fired up the seminal Blender utility to see how well the 16-inch MacBook Pro could handle true 3D rendering. Using the open-source 3D suite, we record the time it takes for its built-in Cycles path tracer to render two photorealistic scenes of BMW cars, one using the system's CPU, and the other relying on the GPU.

Despite the inconsistent performance in standard graphics tests, the MacBook Pro 16 (M3 Max) still led the pack in our Blender workstation tests. In both CPU and GPU render tests, the MacBook Pro edged ahead of top workstation laptops with heavy-duty GPUs. The difference may only be a few seconds in our tests, but when those seconds add up across a larger project with multiple complex renderings, that difference will compound into hours saved.

Battery and Display Tests

All the power in the world doesn't mean much in a laptop if you can't take it anywhere, but mobility is usually sacrificed to deliver the kind of power we've seen above. Despite this, Apple claims some impressive energy efficiency for the newest batch of M2 chips, promising as much as 22 hours of battery life. I am most eager to see how the system balances the power demands of the muscular CPU and GPU with the efficiency needed for long-lasting mobility.

We test laptop battery life by playing a locally stored 720p video file (the open-source Blender movie Tears of Steel) with display brightness at 50% and audio volume at 100%. We make sure the battery is fully charged before the test, with Wi-Fi and keyboard backlighting turned off.

To gauge panel performance, we use a Datacolor SpyderX Elite monitor calibration sensor and software to measure a laptop screen's color saturation—what percentage of the sRGB, Adobe RGB, and DCI-P3 color gamuts or palettes the display can show—and its 50% and peak brightness in nits (candelas per square meter).

Apple claims that the MacBook Pro 16 has the longest-lasting battery of any MacBook, and specified up to 22 hours of Apple TV app movie playback. But in our video playback test, we saw even better endurance, stretching for nearly 28 hours off of the charger. We were expecting a long-lasting battery, but that's an hour longer than the previous Apple MacBook Pro 16-inch (M2 Max), which lasted an already astonishing 26:51. Pretty impressive, considering all of the hardware inside is more powerful.

Obviously, power-intensive tasks like video editing will chew through the battery much faster, but you'll still be able to get work done without a power adapter, and simple video playback will keep you going for more than a day off a full charge.

Oddly enough, even though the specs and technology of the displays used in the new MacBook Pro 16 look identical to those of the M2-based model from earlier this year, the results were a smidge behind, with 100% sRGB color, but only 94% in the DCI-P3 color space. This is even more curious given that we saw matching results on the 14-inch MacBook Pro with M3 Pro that we also tested. 

In a category where 100% or 99% scores across the board are common and machines are frequently relied on by pros needing accurate, high-gamut displays for color-critical work, it's odd to see Apple's best laptop turn in a less-than-stellar result. Don't misunderstand, it's still within the range of acceptable performance for even demanding professionals, but it's objectively less impressive than we expected.

(Credit: Brian Westover)

Verdict: Incredible Power You Pay For

The last time we tested an Apple MacBook Pro 16, we called it "as close to perfect as any laptop we have reviewed." With so little changed in the design and only more powerful hardware inside, does the new MacBook Pro 16 still warrant a perfect five-star score? Not quite.

For starters, the vaunted GPU enhancements don't seem to deliver better gaming performance. Granted, that's in just one test, and the new capabilities may not line up with the demands of it. We'll keep investigating, but we expected a clear win, and it just isn't there. But the real issue here is the price. Where the previous model was $5,299 with maxed-out memory and storage, the new M3 Max version ratchets the price up to $7,199. Does the value of the performance boost match the increase in cost?

Make no mistake, the M3 Max MacBook Pro 16 is undeniably the best Mac laptop available and is better equipped than the previous model. If you're coming from an M1 or even an Intel MacBook Pro, expect a substantial level-up. So while you're definitely paying for all the performance gains you get there, this is unequivocally the best version of the best Mac laptop, and our latest Editors' Choice winner for Apple workstations.

Mon, 06 Nov 2023 00:00:00 -0600 en-gb text/html https://uk.pcmag.com/apple-serie/149502/apple-macbook-pro-16-inch-2023-m3-max




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