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Test Prep ASVAB Section 7: General Science Exam Questions
ASVAB Section Seven: General Science (Page 2 )

Updated On: 21-Feb-2026
Page 2 of 79
PDF with 386 Questions

Overheating the engine can cause all of the following problems EXCEPT_______________.

  1. burned engine bearings
  2. enlarged pistons
  3. melted engine parts
  4. improved fuel efficiency

Answer(s): D



If an alternator overcharges the battery, a likely explanation is ______________.

  1. The governor has malfunctioned.
  2. The voltage regulator isn’t working properly.
  3. The ignition coil has overheated.
  4. The battery-acid solution is low.

Answer(s): B



A primary advantage of the electronic ignition system over conventional ignition systems is______________.

  1. the electronic ignition system is less expensive to repair.
  2. the electronic ignition system provides a higher voltage.
  3. the electronic ignition system allows for use of a lower octane fuel.
  4. All of the above.

Answer(s): B



The primary purpose of piston rings is to ______________.

  1. seal the combustion chamber and allow the pistons to move freely.
  2. connect the piston to the crankshaft.
  3. allow fuel to enter the piston cylinder.
  4. provide lubrication to the piston cylinder.

Answer(s): A



Connecting rods connect the piston to the____________.

  1. flywheel
  2. fuel pump
  3. crankshaft
  4. battery

Answer(s): C






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