- | P a g e
ASVAB PRACTICE EXAM QUESTIONS AND
VERIFIED ANSWERS| GRADE A| 100%
CORRECT
How many watts in a horsepower?
746 watts. Correct ANSWER: 746 watts.
What is a carburetor and what is its role in the internal combustion engine?A device that filters air and mixes fuel in an engine. Correct
ANSWER: A device that filters air and mixes fuel in an engine.
What is the difference between a disc brake and a drum brake, and how do they function to stop a vehicle?Disc brakes use friction pads to stop the rotor, while drum
brakes use shoes to press against a drum. Correct ANSWER:
Disc brakes use friction pads to stop the rotor, while drum brakes use shoes to press against a drum.
A vehicle turns sharply around a corner, creating a sideways force that is applied to the passengers. What is this force known as?
Centrifugal Force. Correct ANSWER: Centrifugal Force.
- | P a g e
When two or more mechanical forces balance each other out, this is known as?
Equilibrium. Correct ANSWER: Equilibrium.
Two balls of equal density, one larger than the other, collide with one another at the same speed from opposite directions.What will happen to the larger ball?
It will continue forward at a slower rate. Correct ANSWER: It
will continue forward at a slower rate.
Newton's law of universal gravitation states that the force of gravitational attraction is dependent upon which two variables?
Mass and distance. Correct ANSWER: Mass and distance.
In a double pulley system, how much force is needed to lift a 20kg weight?
10kg force. Correct ANSWER: 10kg force.
What is the formula for calculating mechanical advantage (MA)?
Output force/input force. Correct ANSWER: Output force/input
force.
- | P a g e
A ball is thrown with a force of 38N to a distance of 2.8 meters.How much work was created through this action?
89.5 Joules Force X Distance =. Correct ANSWER: 89.5 Joules
Force X Distance =.
In mechanics, vector quantities are quantities that possess both magnitude and what else?
Direction. Correct ANSWER: Direction.
When 30 pounds of force is applied to 8 square inch of surface, what pressure is exerted?
3.75 PSI Force/Area 30/8. Correct ANSWER: 3.75 PSI
Force/Area 30/8.
When more than two gears are rotating, what can we say about the speed of the smaller gear?
It rotates faster than the larger gear. Correct ANSWER: It
rotates faster than the larger gear.
What are Registers?These can be either analog or digital and are responsible for recording the values being measured in a graph where the value of the magnitude is shown over a period of time. Correct
ANSWER: These can be either analog or digital and are
- | P a g e
responsible for recording the values being measured in a graph where the value of the magnitude is shown over a period of time.
Ohmmeter?Records the ohms, or the electrical resistance, in circuit. Correct
ANSWER: Records the ohms, or the electrical resistance, in
circuit.
Ohm?
Measures electrical resistance. Correct ANSWER: Measures
electrical resistance.
Ampere?
Measures electrical current. Correct ANSWER: Measures
electrical current.
Volt?
Measures Electrical Pressure (Voltages). Correct ANSWER:
Measures Electrical Pressure (Voltages).
- amp?