Comprehension Flashcards
7 cards from real Bennett Mechanical Test practice questions. Tap to flip, then mark Knew It or Still Learning โ missed cards come back until you master them.
Read the first 7 Comprehension flashcards as text
A screw is essentially which simple machine wrapped around a cylinder?
Answer: An inclined plane
A screw's threads are an inclined plane spiraled around a shaft.
Three identical gears are in a line, all meshed. If the first turns clockwise, the third turns:
Answer: Clockwise
Direction alternates, so the first and third gears turn the same way.
A heavier object and a lighter object are dropped together in a vacuum. They:
Answer: Hit the ground at the same time
Without air resistance, all objects fall at the same rate.
To balance a seesaw, a lighter child should sit:
Answer: Farther from the center
Sitting farther out increases the lighter child's turning effect to match the heavier child.
A belt connects two pulleys without crossing. The two pulleys rotate:
Answer: In the same direction
An uncrossed belt makes both pulleys spin the same way.
A pressure gauge on a sealed tank rises when the gas inside is heated because:
Answer: Heated gas pushes harder on the tank walls
Heating a confined gas increases its pressure.
Which would require the least force to roll up a hill?
Answer: A round ball on a gentle slope
A round object on a gentle slope rolls with the least resistance.