ASVAB- MECHANICAL COMPREHENSION EXAM QUESTIONS

PDF Download

ASVAB- MECHANICAL COMPREHENSION EXAM QUESTIONS

Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -25 Questions and Answers

-Format: Multiple-choice / Flashcard

Question 1: When you heat water that is confined in a closed container so that the stream cannot escape , the pressure inside the container and the temperature of the boiling water

Answer:

increases , increases Question 2: If you drag a log across the road , one way to reduce the amount of force needed to pull it would be to

Answer:

lubricate the road .Question 3: The wheels below are connected by a belt as shown . If the larger wheel makes two revolutions , how many revolutions will the smaller wheel make ?

Answer:

More than two .

Question 4: When forces act in pairs they are

Answer:

equal in magnitude and opposite in direction .

Question 5: A gear system can derive the greatest amount of mechanical advantage when a seven - tooth gear drives a

Answer:

29 - tooth gear .Question 6: If the wheel on the left turns clockwise , which way will the wheel on the right turn ?

Answer:

Counterclockwise

Question 7: In this pulley system , which pulley will rotate fastest ?

Answer:

Pulley B

Question 8: Cranks are used to

Answer:

convert motion in a straight line into motion in a circle .Question 9: When meshing or interlocking gears have different numbers of teeth ,

Answer:

the gear with fewer teeth will rotate faster than the gear with more teeth .

Question 10: Heat is a form of

Answer:

energy .Question 11: An above - ground isolated installation water tank holds 540 gallons of water when full . If the tank starts out full and is drained at a rate of 60 gallons per minute , how many seconds will it take to empty out halfway ?

Answer:

270

Question 12: Pliers are an example of a Effort Load Fulcrum Effort

Answer:

first - class lever .

Question 13: If Block A , on which the lever is resting , is moved farther away from Block B ,

Answer:

it will be harder to lift Block B , but it will go higher .Question 14: Presume that Pulley C is rotating clockwise . What direction will Pulley A rotate ?

Answer:

Clockwise Question 15: The lift caused by an aircraft's wings is primarily due to A Airfoil B

Answer:

a decrease in pressure on the upper side of the wing ( A ) .

Question 16: Which of the following is not a simple machine ?

Answer:

Axe Question 17: The amount that a machine ( simple or complex ) multiplies your force or effort is called

Answer:

mechanical advantage .Question 18: Which pendulum takes less time to make one complete back - and - forth swing ?

Answer:

Y Question 19: Which of the other gears is moving in the opposite direction from Gear 1 ?

Answer:

Gear 2 Question 20: If you want to hammer in a heavy nail , it might be a good idea to use a hammer with a

Answer:

longer handle .

Question 21: For two gears to mesh properly , they must

Answer:

have the same size teeth .

Question 22: Forces existing in pairs are sometimes called

Answer:

action and reaction .

Question 23: A compound machine is one in which

Answer:

two or more simple machines work together .

Question 24: Kinetic energy is

Answer:

energy in a moving object .Question 25: The mechanical advantage of two meshing gears is calculated by dividing

Answer:

the number of teeth on the driven gear by the number of teeth on the driving gear .