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Test Prep ASVAB Test Exam Questions
Armed Services Vocational Aptitude Battery Test: General Science, Arithmetic Reasoning, Word Knowledge, Paragraph Comprehension, Mathematics Knowledge, Electronics Information, Automotive & Shop Information, Mechanical Comprehension, Assembling Objects (Page 74 )

Updated On: 21-Feb-2026
Page 74 of 380
PDF with 1893 Questions

There are four types of fuel injection used in cars today. They are throttle body injection, multi-port injection, direct injection, and __________.

  1. a manual continuous electronic flow injection
  2. sequential fuel injection
  3. automatic circuitous injection
  4. manual intermittent injection

Answer(s): B

Explanation:

The four types of fuel injection used in cars today are throttle body injection, multi-port injection, direct injection, and sequential fuel injection.



Most automobile engines are __________.

  1. two-stroke cycle engines
  2. three-stroke cycle engines
  3. four-stroke cycle engines
  4. six-stroke cycle engines

Answer(s): C

Explanation:

Lawn mowers and outboard engines are two-cycle. They are used wherever horsepower is needed in a lightweight package. They run very fast in order to produce power. Four-cycle engines are used in automobiles, where various conditions exist and load variations are greater. One exception is the rotary or Wankel engine, which uses a rotary design to convert pressure into rotating motion instead of using reciprocating pistons.



When a spark plug fires, it is part of the __________.

  1. power stroke
  2. exhaust stroke
  3. intake stroke
  4. compression stroke

Answer(s): A

Explanation:

The spark plug fires, driving the piston downward to produce power. The intake stroke allows the fuel and air mixture to enter the cylinder. The compression stroke compresses the air/fuel mixture. The exhaust stroke allows the burnt gases to be removed from the cylinder.



If the universal joints are broken and the car is standing still, the car will __________.

  1. not move when the engine is revved up
  2. increase in speed
  3. work as usual
  4. become impossible to push

Answer(s): A

Explanation:

Universal joints are needed to allow the drive shaft to flex when the car goes over a bump in the road. If the universal joints are broken, the car will be unable to move since the drive shaft will not be connected to the power source.



When the clutch is engaged on a manual transmission, the clutch pedal will be __________.

  1. down
  2. up
  3. halfway down
  4. halfway up

Answer(s): B

Explanation:

The clutch pedal is pushed to the floorboard in order to release the engine from the drive train. Once the pedal is released and spring action returns it to the upward position, the clutch is engaged and the engine is connected to the drive train again.






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