ASVAB Mechanical Comprehension Test
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ASVAB Mechanical Comprehension Test
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25 Questions

1. If the handles of a wheelbarrow are 3 ft. from the wheel axle, what force must you exert to lift the handles if it's carrying a 260 lb. load concentrated at a point 2 ft. from the axle?
2. What is the pressure of a water tank that measures 20 ft. square by 16 ft. deep?
3. What's the mechanical advantage of a wedge that's 2 inches wide and 6 inches long?
4. Which of the following describes a tensor?
5. If the radius of the axle is 3 inch and the radius of the wheel is 4inch, what is the mechanical advantage of this wheel and axle configuration?
6. Which of the following is not a scalar quantity?
7. If the handles of a wheelbarrow are 3 ft. from the wheel axle, what force must you exert to lift the handles if it's carrying a 260 lb. load concentrated at a point 1 ft. from the axle?
8. What's the mechanical advantage of a wedge that's 3 inches wide and 9 inches long?
9. Extending the reach of this crane will shift its
10. What's the mechanical advantage of a wedge that's 4 inches wide and 24 inches long?
11. Which of the following is not a type of simple machine?
12. If a force applied at the blue arrow over 2 ft. moves the green box 0.40 ft., what is the mechanical advantage of this lever?
13. Sam can do 700 ft. lb. of work in 4 minutes and 30 seconds. What would Sam have to do to increase his power output?
14. Which of the following is not a type of simple machine?
15. What simple machine magnifies effort when the handle of this corkscrew is pulled up?
16. If A = 8 ft., B = 2 ft., C = 6 ft., the green box weighs 50 lbs. and the blue box weighs 65 lbs., what does the orange box have to weigh for this lever to balance?
17. Which of the following statements about this pulley configuration is true?
18. Depending on where you apply effort and resistance, the wheel and axle can multiply:
19. What is the efficiency of a machine that has a work input of 170 ft. lb. and a work output of 119 ft. lb. ?
20. The principle of moments defines equilibrium in terms of:
21. If the radius of the axle is 5 inch and the radius of the wheel is 10inch, what is the mechanical advantage of this wheel and axle configuration?
22. . If A = 12 ft., B = 3 ft., C = 7 ft., the green box weighs 50 lbs. and the blue box weighs 65 lbs., what does the orange box have to weigh for this lever to balance?
23. How much work can a 1 hp engine do in 8 seconds?
24. Which of the following is not a type of structural load?
25. What type of load doesn't create specific stress points or vary with time?

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