Test Prep ASVAB Section 7: General Science Exam Questions
ASVAB Section Seven: General Science (Page 13 )

Updated On: 24-Feb-2026

On modern automobile engines, what’s the purpose of the intake manifold?

  1. regulate air flow to the cooling system
  2. provide air flow to the air conditioner and heater
  3. connect the air/fuel management device to the head
  4. regulate fuel pump pressure

Answer(s): C



Brake systems work by .

  1. applying friction to the wheels to stop their rotation
  2. reversing power to the wheels
  3. applying pressure to the axle
  4. interrupting power to the transmission

Answer(s): A



Which of the following isn’t a component of the cooling system?

  1. freeze plugs
  2. radiator
  3. thermostat
  4. hydrator

Answer(s): D



A catalytic converter ______________.

  1. combines the fuel-air mixture
  2. reduces dangerous exhaust emissions
  3. converts the up-and-down motion of the pistons to rotary motion
  4. charges the battery when the engine is in operation

Answer(s): B



If the steering wheel vibrates at high speeds, the most likely problem is .

  1. front end alignment
  2. front tire balance
  3. cracked steering column
  4. over-inflated tires

Answer(s): B






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