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ASVAB AUTOBODY EXAM QUESTIONS
Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -24 Questions and Answers
-Format: Multiple-choice / Flashcard
Question 1: to determine a gear ratio,
Answer:
divide the number of teeth in a larger gear by the number of teeth in the smaller gear Question 2: In an automobile engine, reciprocating (up and down) motion is changed into rotary (circular) motion by which one of the following parts?
Answer:
crankshaft Question 3: in a tire rating of P195/55 R15, the "P" stands for ____ and the last number designates _____
Answer:
passenger; wheel diameter
Question 4: an automobiles universal joint is necessary in order to
Answer:
permit the drive shaft to flex in response to road conditions Question 5: if an automobile is using a lot of oil, which of the following is likely to be the cause?
Answer:
worn or broken piston rings
Question 6: the transmission assembly in an average front wheel drive automobile
Answer:
is located in the front engine compartment
Question 7: the main difference between DOT3, DOT4 and DOT5 brake fluid is
Answer:
DOT3 and DOT4 absorb water, and DOT5 does not Question 8: an automobile starting system includes comments such as the starter motor, solenoid, and relay. What do these components have in common?
Answer:
They all use the principle of electromagnetism Question 9: the two factors that govern when an automatic transmission will shift are
Answer:
vehicle speed and engine load Question 10: In an automobile engine, the valves in the top of each cylinder are controlled by ____, which are moves by a _____.
Answer:
rocker arms and rods; camshaft Question 11: the ideal air-fuel mixture for an internal combustion engine is known as the ___ point, which is ____.
Answer:
stoichiometric; 14.7:1
Question 12: the functional names of the four strokes in a common internal combustion engine, in order are
Answer:
intake, compression, combustion and exhaust Question 13: an auto technician performing a cylinder leakage test on an engine sees air bubbles in a radiator with the radiator cap off. What is the most likely cause?
Answer:
cracked cylinder head
Question 14: a wheels CAMBER is the angle of the wheel, measured in degrees when viewed from the front of the vehicle. A "positive camber" means that
Answer:
the top of the wheel is leaning away from the center of the vehicle
Question 15: what is the most common type of battery used in cars and trucks?
Answer:
lead-acid
Question 16: an automobiles catalytic converter
Answer:
converts exhaust gases to less polluting emissions
Question 17: the two man in functions of an automobiles ignition system are to
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provide a high voltage spark for combustion and to time the engine
Question 18: the function of the clutch in an automobile is to
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disconnect the engine from the wheels while the gears are being shifted Question 19: on a front-wheel-drive vehicle, the transmission is usually combined with the ____ to form a ______
Answer:
final drive; transaxle
Question 20: a transaxle is most frequently found in vehicles that
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have the engine placed at the same end of the car as the drive wheels
Question 21: an automobiles differential
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allows the wheels to turn at different speeds when making a turn
Question 22: the job of the timing belt is to ______ whole maintaining a precise alignment
Answer:
turn the camshaft(s) at exactly half the speed of the crankshaft
Question 23: the tachometer measures
Answer:
how fast the engine is turning in revolutions per minute
Question 24: when discussing a vehicles wheel alignment, TRACKING means that
Answer:
the front wheels are correctly followed by the rear wheels