ASVAB-SECTION-3 Online Practice Questions and Answers

A clutch is a type of __________.

A. universal joint

B. coupling

C. gear differential

D. cam follower

If both Wheel A and Wheel B revolve at the same rate in the figure above, Wheel A will cover a linear distance of 12 feet __________.

A. faster than Wheel B

B. slower than Wheel B

C. in about the same time as Wheel B

D. half as quickly as Wheel B

Helical gears have ___________.

A. straight teeth

B. slanted teeth

C. teeth of unequal size

D. no advantage over spur gears

The force that causes clothes from the dryer to stick together is called ___________.

A. gravity

B. magnetism

C. friction

D. static electricity

The floats in Tubes A and B measure specific gravity.

Which tube contains the liquid with the higher specific gravity?

A. Tube A

B. Tube B

C. It can't be determined.

D. Both Tube A and Tube B have the same specific gravity.

What would happen to a balloon full of air if you moved it from above a water surface to ten feet below the water surface?

A. The balloon would explode.

B. The volume of the balloon would decrease.

C. The volume of the balloon would increase.

D. The volume of the balloon would stay the same.

Which of the following is an example of a Class 2 Lever?

A. Fishing rod

B. Bottle opener

C. See-Saw

D. Scissors

Which of the following is not a type of simple machine?

A. Pulley

B. Spring

C. Lever

D. Screw

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

When a football is thrown upwards in the air, what causes it to arc back towards the ground?

A. Centrifugal force

B. Gravity

C. Friction

D. Wind resistance