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ASVAB TEST PREP - MECHANICAL COMPREHENSION
Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -15 Questions and Answers
-Format: Multiple-choice / Flashcard
Question 1: Q: Which principle of mechanical motion is used in design of a roller coaster?
Answer:
A: Momentum, Friction, and Acceleration (All the above)
Question 2: Q: Which term below best describes the OPPOSITE of an increase in speed?
Answer:
A: Deceleration
Question 3: Q: A pump is typically used to accomplish which of the following tasks?
Answer:
A: To move liquids uphill.
Question 4: Q: What mechanical motion principle do the brakes in a car or on a bicycle use?
Answer:
A: Friction
Question 5: Q: A valve is used to perform which of the following functions?
Answer:
A: Control the flow of a liquid.
Question 6: Q: A concrete beam has a maximum strength of 3,000 psi. In an experiment, a 500 pound weight was placed in the center of the beam, and the stress in the beam is measured to be 1,000 psi. If the stresses in the beam continue to increase at the same rate with added weight, how much additional weight can be added to the same location on the beam before it breaks?
Answer:
A: 1,000 pounds
Question 7: Q: Which mechanical components are typically used between a wheel and an axle to reduce friction?
Answer:
A: Bearings.
Question 8: Q: 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?
Answer:
A: The volume of the balloon would decrease.
Question 9: Q: In the diagram shown above, the spring is very stiff and can be stretched 1 inch by a pulling fore of 100 pounds. How much force must be applied to the block in order to move the box 3.5 inches to the left?
Answer:
A: 350 pounds
Question 10: Q: The center of gravity of a baseball bat would be best described as:
Answer:
A: Near the fat end
Question 11: Q: The sprocket on a bicycle is most similar to which of the simple mechanical devices listed below?
Answer:
A: A gear.
Question 12: Q: A block of steel has a density of 0.29 pounds per cubic inch. If the block has dimensions of 1 inch by 1 inch by 3 inches, what is its weight?
Answer:
A: 0.87
Question 13: Q: Which material is best suited for use as a boat anchor?
Answer:
A: Metal
Question 14: Q: 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 is concrete. If identical loads are applied to these three beams, which of the following will occur?
Answer:
A: The steel beam will deflect less than the wood beam.
Question 15: Q: An elevator is most similar to which of the following mechanical devices?
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