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ASVAB practice test 1 Questions And Correct Answers
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ASVAB practice test 1 Questions And Correct Answers
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ASVAB practice test 1 Questions AndCorrect Answers
An induction clutch works by CORRECT ANSWERS 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? CORRECT ANSWERS 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 CORRECT ANSWERS 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? CORRECT ANSWERS r = DR/d, r=16.6666
Springs used in machines are usually made of CORRECT ANSWERS steel
A clutch is a type of CORRECT ANSWERS coupling
A single block-and-fall is called a CORRECT ANSWERS runner
The mechanical advantage of the block-and-tackle arrangement shown below is CORRECT ANSWERS 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? CORRECT ANSWERS 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? CORRECT ANSWERS 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? CORRECT ANSWERS Silver is the best conductor, so it becomes hottest
If an alternator overcharges the battery, a likely explanation is CORRECT ANSWERS The voltage regulator isn't working properly
A primary advantage of the electronic ignition system over conventional ignition systems is CORRECT ANSWERS The electronic ignition system provides a higher voltage
The primary purpose of piston rings is to CORRECT ANSWERS seal the combustion chamber and allow the pistons to move freely
Connecting rods connect the piston to the CORRECT ANSWERS crankshaft
In an overhead valve system (OHV), what mechanism opens and closes the valves?
CORRECT ANSWERS rocker arms
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