Mechanical Comprehension Study Guide 1 for McGraw-Hill's ASVAB
Practice problems for this study guide can be found at:
The ASVAB Mechanical Comprehension test is all about the basic materials and mechanical devices that you see around you every day. The questions deal with things like levers, pipes, water wheels, gears, pulleys, and the like. This is not a test of high school physics, so don't worry if you can't explain things in terms of Newton's laws or use words like inertiaand elastic rebound. You won't have to know whymachines function as they do. You won't have to know a lot of complicated scientific terms. But you will have to know whatsimple machines and materials are and howthey operate. Most questions on the Mechanical Comprehension test can be answered using simple common sense, but you may need to do a few calculations. Many questions include a picture of some kind of simple machine, and you can use the picture to help you answer the question. Spinning gears, heat transfer from one material to another, and barrels rolling up inclined planes are all standard situations that you'll find on the Mechanical Comprehension test.
Whichever ASVAB version you take, you'll have only about a minute to answer each Mechanical Comprehension question, so you'll have to work fast if you want to get a good score. That's why it pays to spend time studying the test topics and tackling plenty of sample Mechanical Comprehension questions.
Mechanical Comprehension Question Topics
The topics covered on the Mechanical Comprehension test will probably be familiar to you if you have ever operated machines or taken them apart to repair them. The test-makers list the topics as follows: This chapter will help you prepare for the Mechanical Comprehension test. It starts by listing the important simple machines and explaining how they operate. Then it covers other important topics, such as properties of materials, mechanical motion, and fluid dynamics. At the end of the chapter, there is a short quiz with questions modeled on those on the actual test. Read carefully through the review materials in this chapter, then use the quiz to find out how well you have mastered this subject area. Go back and reread the review materials for any quiz question you miss.
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