ASVAB (2025) PRACTICE TEST 1 WITH |
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QUESTIONS AND ANSWERS | 100%
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An induction clutch works by - magnetism
If a first-class lever with a resistance arm measuring 2 feet and an effort arm measuring 8 feet are
being used, what's the mechanical advantage? - Length of Effort Arm ÷ Length of Resistance
Arm. MA = 8 ÷ 2 = 4
The force produced when a boxer's hand hits a heavy bag and "bounces" off it is called - recoil
If Gear 1 has 25 teeth and Gear 2 has 15 teeth, how many revolutions does Gear 2 make for
every 10 revolutions Gear 1 makes? - r = DR/d, r=16.6666
Springs used in machines are usually made of - steel
A clutch is a type of - coupling
A single block-and-fall is called a - runner
The mechanical advantage of the block-and-tackle arrangement shown below is - 2. Because this
block-and-tackle arrangement merely changes the direction of the pull, it has a mechanical
advantage of only 2.
If a house key, a wooden spoon, a plastic hanger, and a wool jacket are all the same temperature,
which one feels the coldest? - The key will feel coldest because metal is a better conductor than
the other materials
A way to determine the amount of power being used is? - The formula for determining power is
Power = Work ÷ Time.
A wood tool, a silver tool, and a steel tool are placed in boiling water for cleaning. Which tool
gets the hottest? - Silver is the best conductor, so it becomes hottest
If an alternator overcharges the battery, a likely explanation is - The voltage regulator isn't
working properly
A primary advantage of the electronic ignition system over conventional ignition systems is -
The electronic ignition system provides a higher voltage
