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ASVAB-SECTION-3 Online Practice Questions and Answers

Questions 4

Springs used in machines are usually made of __________.

A. plastic

B. bronze

C. nylon fiber

D. steel

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Questions 5

When Cam A completes one revolution, the lever will touch the contact point __________.

A. once

B. never

C. four times

D. twice

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Questions 6

In the figure above, if Cat A moves toward the middle of the seesaw to get a better look at the mouse, Cat B will __________.

A. remain stationary

B. move toward the ground

C. rise in the air

D. instigate a cat fight

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Questions 7

If a cat is removed from Side B of the seesaw, what happens to the cats on Side A?

A. The cat will never move from Side B until it's good and ready.

B. The cats on Side A will move up in the air.

C. The cats on Side A will move toward the ground.

D. Nothing will happen.

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Questions 8

The weight of the load is being carried on the backs of the two cats shown in the figure. Which cat is carrying the most weight?

A. Cat A

B. Cat B

C. Both are carrying an equal amount of weight.

D. It can't be determined without more information.

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Questions 9

If a water tank on a toilet keeps overflowing, the problem is probably a ___________.

A. defective float

B. clogged pipe

C. crimped chain

D. improper seal

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Questions 10

If you want to hammer in a heavy nail, it might be a good idea to use a hammer with a __________.

A. lighter head

B. heavy head

C. longer handle

D. shorter handle

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Questions 11

Kinetic energy is __________.

A. energy stored in chemicals, such as in a battery.

B. energy in moving electrons, as in an electric current.

C. energy in a moving object.

D. energy that can be released under certain conditions.

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Questions 12

In the illustration below, two 30-lbs blocks are attached to the ceiling using ropes, as shown.

Which of the following statements is true?

A. All the ropes are under equal amounts of tension.

B. The rope supporting Block A is under 2x the tension of the ropes holding Block B.

C. The ropes supporting Block B are under 1/3 of the tension of the rope holding Block A.

D. The rope holding Block A is under 1/3 of the tension of the ropes holding Block B.

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Questions 13

If an object is in equilibrium, it is said to be __________.

A. at rest

B. moving

C. at rest or moving at a constant speed and in a straight line

D. moving upward only

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Questions 14

Which mechanical components are typically used between a wheel and an axle to reduce friction?

A. springs

B. hinges

C. bearings

D. levers

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Questions 15

There are three beams that are each 10 feet long and all of the same size. One is made of wood, another of steel, and the third of concrete.

If identical loads are applied to these three beams, which of the following will occur?

A. The steel beam will deflect less than the wood beam.

B. The wood beam will deflect less than the concrete beam.

C. The wood beam will deflect less than the steel beam.

D. The concrete beam will deflect more than the other two.

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Questions 16

A __________ should be applied if gear shafts are not parallel to one another.

A. shifting gear

B. third gear

C. bevel gear

D. stopping gear

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Questions 17

Which of these statements about force is correct?

A. The amount of force required to move an object depends on the frictional forces between the object and its surroundings and must be calculated entirely based on individual situations.

B. The amount of force required to move an object does not depend on frictional conditions and cannot and will not exceed the weight of the object in question.

C. The amount of force required to move an object depends only on the weight of the object in question.

D. Force is best used in levered applications.

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Questions 18

In the pulley system below, how fast does pulley D rotate, if pulley A rotates at 100 rpm?

A. 25 rpm

B. 50 rpm

C. 100 rpm

D. 12.5 rpm

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Exam Code: ASVAB-SECTION-3
Exam Name: ASVAB Section Three : Mechanical Comprehension
Last Update: Mar 19, 2024
Questions: 188 Q&As

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