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ASVAB - MECHANICAL COMPREHENSION EXAM
QUESTIONS
Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -100 Questions and Answers
-Format: Multiple-choice / Flashcard
Question 1: Which of the following is not a type of Structural Load?
- Rain load
- Live load
- Dead load
- Wind load
Answer:
- Rain Load
Question 2: Mathematical quantities that are used to describe the motion of objects can be divided into two categories. The quantity is either a _ or a _.
Answer:
Vector or a Scalar Question 3: _ and _ mechanical advantage is the relationship between the radius of the wheel and the radius of the area to which force is being applied.
Answer:
Wheel and Axle
Question 4: The _ is when two or more forces interact so that their combination cancels the others out.
Answer:
Equilibrium Question 5: What type of load creates different stresses at different locations on a structure?
- Nonuniformly distributed load
- Dynamic load
- Concentrated load
- Static uniformly distributed load
Answer:
- Nonuniformly Distributed Load
Question 6: _ is measured in pounds-force or Newtons
Answer:
Tension
Question 7: centrifugal force
Answer:
an apparent force that acts outward on a body moving around a center, arising from the body's inertia.fake force
Question 8: Watts
Answer:
Mechanical Comprehension: Power is measure in this measurement; also known as horsepower
Question 9: _ is measured in foot-pounds
Answer:
Work
Question 10: The speed at which a gear rotates depends on the _ _ _.
Answer:
Number of teeth.
Question 11: A _ machine is a machine made of more than one simple machine.
Answer:
Compound
Question 12: 9.8
Answer:
Mechanical Comprehension: Acceleration due to gravity is approximately this number meters per second per second, not counting air resistance.
Question 13: Gears
Answer:
Mechanical Comprehension: In mechanical devices, these are commonly used to change the direction or speed of movement.Question 14: If the green box is 54 ft. from the fulcrum and a certain force applied 6 ft. from the fulcrum at the blue arrow balances the lever, what is the mechanical advantage?
A) 2.25
- 36
- 9
- 18
Answer:
- 9
Question 15: first class lever
Answer:
fulcrum in the middle
Question 16: Force
Answer:
Mechanical Comprehension: A push or a pull. All of these are vector quantities and act in a single direction.
Question 17: Friction
Answer:
Mechanical Comprehension: No machine is 100 percent efficient because all machines are affected by this.Question 18: 1 Horsepower = 33,000 foot-pounds per minute or 550 foot-pounds per second
Answer:
- horsepower
Question 19: drag
Answer:
Resistance of the air (technically a fluid) against the forward movement of an airplane.
Question 20: When connected by a system of belts, pulleys can _ other pulleys.
Answer:
Drive
Question 21: Mechanics
Answer:
Mechanical Comprehension: The area of physics that encompasses the laws of motion, energy, and forces. Concepts include velocity, momentum, and Newton;s second law relating force, mass, and acceleration.
Question 22: hydraulic jack
Answer:
Uses a nearly incompressible liquid (e.g. oil) to exert force in order to more an object.
Question 23: Energy
Answer:
Mechanical Comprehension: This can be defined as the capacity to do work, or to cause a change in the state of something.
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