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ASVAB Practice Test Questions and Answers 2022/2023| Verified Answers 1.An induction clutch works by✔✔ magnetism 2.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 3.The force produced when a boxer's hand hits a heavy bag and "bounces" off it is called✔✔ recoil 4.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 5.Springs used in machines are usually made of✔✔ steel 6.A clutch is a type of✔✔ coupling 1 / 2
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7.A single block-and-fall is called a✔✔ runner 8.The mechanical advantage of the block-and-tackle arrangement shown be- low is✔✔ 2. Because this block-and-tackle arrangement merely changes the direction of the pull, it has a mechanical advantage of only 2.
9.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 10.A way to determine the amount of power being used is?✔✔ The formula for determining power is Power = Work ÷ Time.
11.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 12.If an alternator overcharges the battery, a likely explanation is✔✔ The voltage regulator isn't working properly