This is the 3rd of 5 Mechanical Comprehension ASVAB practice tests that we currently offer. This ASVAB practice test contains 15 questions. There is no time limit on the test. You must complete the entire test and may not skip any of the questions.
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Mechanical Comprehension ASVAB Practice Test 3
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Question 1 of 15
1. Question
The mechanical advantage in a normal block and tackle pulley system is _______.
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Question 2 of 15
2. Question
How much effort will be needed to roll a 350-pound drum up a ramp 25 feet long and 5 feet high? Ignore the effect of friction.
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Question 3 of 15
3. Question
A tank holds 480 gallons of water. If it is drained at a rate of 120 gallons per minute, it will be empty in ________ seconds.
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Question 4 of 15
4. Question
When a pump compresses air, the air __________.
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Question 5 of 15
5. Question
In a hydraulic system, the driving cylinder has a radius of 4 inches and the driven cylinder has a radius of 8 inches. The mechanical advantage is _______.
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Question 6 of 15
6. Question
For two gears to mesh properly, they must __________.
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Question 7 of 15
7. Question
A screwdriver is used to turn a screw with a pitch of 1/4 inch. After 10 complete turns of the screwdriver, the screw will have moved __________.
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Question 8 of 15
8. Question
Which of these is not a simple machine?
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Question 9 of 15
9. Question
A tank 2 feet wide by 6 feet long holds 600 pounds of water. What is the water pressure at the bottom in pounds per square foot?
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Question 10 of 15
10. Question
Ignoring the effect of friction, how much effort is needed to roll a 120-lb drum up a ramp 30 feet long and 3 feet high at its end?
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Question 11 of 15
11. Question
If you pulled the following objects from a pot of hot water, which would seem hottest?
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Question 12 of 15
12. Question
A gear and pinion have a ratio of 6:1. If the gear is rotating at a speed of 150 rpm, the speed of the pinion is most nearly __________.
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Question 13 of 15
13. Question
A spring, a device that can resume its original shape after bending, is best made from which of the following materials?
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Question 14 of 15
14. Question
If you wanted to hit a heavy nail, you might choose a hammer with a __________.
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Question 15 of 15
15. Question
A sheet metal screw is likely to be ________ than a wood screw.
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