ASVAB-SECTION-3 Online Practice Questions and Answers

An induction clutch works by ___________.

A. magnetism

B. pneumatics

C. hydraulics

D. friction

The try-cock in the schematic above measures ___________.

A. temperature of water

B. pressure of water

C. pressure of steam buildup

D. level of water

The amount of force (F) needed to balance the lever in the figure above is most nearly ___________.

A. 15 pounds

B. 13 pounds

C. 7.5 pounds

D. 20 pounds

In the illustration below, if Pulley A is rotating in the direction indicated, then Pulley C will __________.

A. rotate in the same direction as Pulley B

B. rotate in the same direction as Pulleys A and B

C. rotate in the opposite direction of Pulleys A and B

D. rotate in the same direction as Pulley A

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.

What is Newton's Third Law of Motion?

A. What goes up must come down.

B. For every action, there is an equal and opposite reaction.

C. Reactions are a result of large actions.

D. Mass cannot be destroyed.

The term equilibrium is defined as __________.

A. the state in which similar forces attract, causing a swell of movement in a single direction

B. the principle describing the notion that every action must have a reaction

C. the state in which opposing forces are balanced

D. the presence of motion in the present day which serves as a means of understanding movement as a whole

What is the primary difference between distillation and evaporation?

A. Distillation separates or purifies liquids, while evaporation changes the form of a substance.

B. One is intentional in scope, while the other occurs during other practices.

C. Distillation involves the use of implements, while evaporation only requires heat.

D. Distillation and evaporation have no primary difference; they are the same process.

What are the three components of a lever?

A. Resistance arm and effort arm

B. A point of origin and solid plane

C. A wide plane, fulcrum, and effort arm

D. Fulcrum, resistance arm, and effort arm

What are the potential functions of gear systems?

A. Gears may be used to change direction in machinery and can be used to increase speed.

B. Gears possess a single function: transmitting motion.

C. The potential functions of gears are: changes in direction, speed changes (both increases and decreases), and motion transmission.

D. Gears are primarily used for making changes in speed, but may also be used to instigate motion in machinery.