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  5. ASVAB Section 7: General Science

Free ASVAB Section 7: General Science Exam Braindumps (page: 51)

Page 50 of 97
PDF with 386 Questions

Which component controls the amount of current that the alternator sends to the battery?

  1. Distributor
  2. Regulator
  3. Inverter
  4. Ignition Coil

Answer(s): B

Explanation:

The regulator controls the output of the alternator to insure that the battery gets the proper amount of current to keep it charged.



Which of the following will NOT occur from setting a spark plug gap wider?

  1. a smaller weaker spark
  2. bigger spark
  3. better combustion
  4. potential misfire at high speeds

Answer(s): A

Explanation:

Setting a spark plug gap narrower can result in a smaller weaker spark. Setting it wider may result in a bigger spark, better combustion but a potential misfire.



What should you do if your temperature gauge on your car indicates that the car is overheating (in the red zone)?

  1. Open radiator cap and pour in cold water immediately
  2. Open radiator cap and pour in antifreeze immediately
  3. Turn on the car's heater
  4. Pull over and let the car cool down

Answer(s): D

Explanation:

You should immediately pull over and let the car cool down.



Which of the following can cause water sludge in engine crankcase oil?

  1. water condensation in the crankcase
  2. changing your oil too frequently
  3. using synthetic oil
  4. using a low viscosity oil

Answer(s): A

Explanation:

Water condensation in the crankcase is a leading cause of oil sludge. Changing your oil frequently and using synthetic oil can help eliminate sludge.






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