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ASVAB-MECHANICAL COMPREHENSION EXAM QUESTIONS
Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -6 Questions and Answers
-Format: Multiple-choice / Flashcard
Question 1: 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:
ANSWER: 0.87
Why: The volume of the block can be calculated by multiplying its length by its width by its height, or 1 times 1 times 3, which equals 2 cubic inches. The weight is the density multiplied by its volume, which is
- cubic inches multiplied by 0.29 pounds per cubic inch, which equals 0.87 pounds.
Question 2: Which term below best describes the OPPOSITE of an increase in speed?
Answer:
ANSWER: Deceleration
Question 3: Which mechanical components are typically used between a wheel and an axle to reduce friction?
Answer:
bearing Question 4: The sprocket on a bicycle is most similar to which of the simple mechanical devices listed below?
Answer:
ANSWER: A gear
Question 5: A valve is used to perform which of the following functions?
Answer:
ANSWER: Control the flow of liquid
WHY: Valves are placed in piping systems and can be opened or closed in order to control the flow of liquids or gasses.Question 6: Which principle of mechanical motion is used in the design of a roller coaster?
Answer:
ANSWER: Momentum, Friction and acceleration
WHY: Acceleration must be considered in designing the maximum rise of the first hill. Momentum must be considered to ensure the train gets back to the starting point, since it has no motor. Friction must be considered in the design of the braking system.
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