ASVAB Practice Test Questions with
Correct Answers 100% Pass
An induction clutch works by - CORRECT ANSWER -magnetism
If a first class lever with a resistance arm measuring 2 feet and an effort arm measuring 8 feet ar
e being used, what's the mechanical advantage? - CORRECT ANSWER -
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 ANSWER -recoil
If Gear 1 has 25 teeth and Gear 2 has 15 teeth, how many revolutions does Gear 2 make for eve
ry 10 revolutions Gear 1 makes? - CORRECT ANSWER -r = DR/d, r=16.6666
Springs used in machines are usually made of - CORRECT ANSWER -steel
A clutch is a type of - CORRECT ANSWER -coupling
A single block-and-fall is called a - CORRECT ANSWER -runner
The mechanical advantage of the block-and-tackle arrangement shown below is -
CORRECT ANSWER -2. Because this block-and-
tackle arrangement merely changes the direction of the pull, it has a mechanical advantage of o
nly 2.
, If a house key, a wooden spoon, a plastic hanger, and a wool jacket are all the same temperatur
e, which one feels the coldest? - CORRECT ANSWER -
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 ANSWER -
The formula for determining power is Power = WorkR÷ Time.
A wood tool, a silver tool, and a steel tool are placed in boiling water for cleaning. Which tool ge
ts the hottest? - CORRECT ANSWER -Silver is the best conductor, so it becomes hottest
If an alternator overcharges the battery, a likely explanation is - CORRECT ANSWER -
The voltage regulator isn't working properly
A primary advantage of the electronic ignition system over conventional ignition systems is -
CORRECT ANSWER -The electronic ignition system provides a higher voltage
The primary purpose of piston rings is to - CORRECT ANSWER -
seal the combustion chamber and allow the pistons to move freely
Connecting rods connect the piston to the - CORRECT ANSWER -crankshaft
In an overhead valve system (OHV), what mechanism opens and closes the valves? -
CORRECT ANSWER -rocker arms
The difference between a single-acting and an opposed piston engine is - CORRECT ANSWER -
Single-acting piston engines have one piston per cylinder and opposed piston engines have two
A car equipped with limited-slip differential - CORRECT ANSWER -
transfers the most driving force to the wheel with the greatest amount of traction
Correct Answers 100% Pass
An induction clutch works by - CORRECT ANSWER -magnetism
If a first class lever with a resistance arm measuring 2 feet and an effort arm measuring 8 feet ar
e being used, what's the mechanical advantage? - CORRECT ANSWER -
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 ANSWER -recoil
If Gear 1 has 25 teeth and Gear 2 has 15 teeth, how many revolutions does Gear 2 make for eve
ry 10 revolutions Gear 1 makes? - CORRECT ANSWER -r = DR/d, r=16.6666
Springs used in machines are usually made of - CORRECT ANSWER -steel
A clutch is a type of - CORRECT ANSWER -coupling
A single block-and-fall is called a - CORRECT ANSWER -runner
The mechanical advantage of the block-and-tackle arrangement shown below is -
CORRECT ANSWER -2. Because this block-and-
tackle arrangement merely changes the direction of the pull, it has a mechanical advantage of o
nly 2.
, If a house key, a wooden spoon, a plastic hanger, and a wool jacket are all the same temperatur
e, which one feels the coldest? - CORRECT ANSWER -
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 ANSWER -
The formula for determining power is Power = WorkR÷ Time.
A wood tool, a silver tool, and a steel tool are placed in boiling water for cleaning. Which tool ge
ts the hottest? - CORRECT ANSWER -Silver is the best conductor, so it becomes hottest
If an alternator overcharges the battery, a likely explanation is - CORRECT ANSWER -
The voltage regulator isn't working properly
A primary advantage of the electronic ignition system over conventional ignition systems is -
CORRECT ANSWER -The electronic ignition system provides a higher voltage
The primary purpose of piston rings is to - CORRECT ANSWER -
seal the combustion chamber and allow the pistons to move freely
Connecting rods connect the piston to the - CORRECT ANSWER -crankshaft
In an overhead valve system (OHV), what mechanism opens and closes the valves? -
CORRECT ANSWER -rocker arms
The difference between a single-acting and an opposed piston engine is - CORRECT ANSWER -
Single-acting piston engines have one piston per cylinder and opposed piston engines have two
A car equipped with limited-slip differential - CORRECT ANSWER -
transfers the most driving force to the wheel with the greatest amount of traction
