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NAVY MC ASVAB EXAM QUESTIONS
Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -83 Questions and Answers
-Format: Multiple-choice / Flashcard
Question 1: divide the amount of work done by the amount of time it takes
Answer:
A way to determine the amount of power being used is to
Question 2: water expands when it freezes
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Water in an engine can cause damage in winter weather because
Question 3: None
Answer:
A screw having 16 threads per inch has more of a mechanical advantage than a screw with a 12 thread per inch.
Question 4: a lever
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A crowbar is what type of simple machine?
Question 5: magnitude, and direction
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Vector quantities express what?
Question 6: one horsepower
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33,000 foot-pounds of work done in one minute is called Question 7: its potential energy is converted to kinetic energy, and its total mechanical energy remains constant as it moves
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When a car rolls down a hill it progressively gets faster because?
Question 8: the potential energy
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An object that is raised from the ground will increase?
Question 9: defective float
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If a water tank on a toilet keeps overflowing, the problem is probably a Question 10: to allow the wrench to grab the nut when working in tight quarters and to protect your hands.
Answer:
What is the purpose of a 15 degree offset on an open ended wrench?
Question 11: two
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Using a runner gives you a mechanical advantage of
Question 12: longer wrench/ torque wrench
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In order to apply more torque to a bolt you would need a?
Question 13: a bicycle sprocket
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An example of a pulley is?
Question 14: W= F times d/ force times distance
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The formula for work is?
Question 15: straight line motion into rotary motion
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Cranks change?
Question 16: an incline plan
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A ramp for a loading doc is what type of simple machine?
Question 17: float
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The gas gauge in an auto relies on what mechanical device to measure the amount of gas in the tank?
Question 18: an incline plane
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To move a 400-pound crate from the floor of a warehouse to the bed of a truck 4-feet off the ground, the most efficient device to use is
Question 19: Law of Universal Gravitation
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Issac Newton discovered that every particle in the universe is attracted to every other particle, what is this theory called?
Question 20: more slowly than Wheel A
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Wheel A has a diameter of 10 feet. Wheel B has a diameter of 8 feet. If both wheels revolve at the same rate, Wheel B will cover a linear distance of 16 feet
Question 21: measure the rate of work that is done
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Horse power is a unit of measurement that?
Question 22: for every action there is an equal or opposite reaction
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When you fire a weapon there is a recoil because?
Question 23: Isaac Newton
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The person responsible for the foundation of physics mechanics is?
Question 24: pliers
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An example of a first class lever is?
Question 25: greater
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One truck is empty, and a second truck is loaded with cargo. Does the truck with cargo need a greater or less force to obtain the same rate of acceleration as the truck with no cargo?
Question 26: 14.7psi
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Normally, atmospheric pressure is approximately
Question 27: a wheel and axle
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When a wrench turns a nut or bolt what simple machine is that?
Question 28: friction
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The force produced when two objects rub against each other is called
Question 29: decreases
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If a small gear drives a big gear the speed?