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Test Prep ASVAB Section 4: Automotive and Shop Information Exam Questions
ASVAB Section Four : Automotive & Shop Information (Page 3 )

Updated On: 21-Feb-2026
Page 3 of 43
PDF with 206 Questions

In an overhead valve system (OHV), what mechanism opens and closes the valves?

  1. rocker arms
  2. camshaft
  3. valve rotator
  4. electrical energy from the alternator

Answer(s): A



If a car’s ignition system, lights, and radio don’t work, the part that’s probably malfunctioned is the _______________.

  1. cylinder block
  2. water pump
  3. carburetor
  4. battery

Answer(s): D



A gauge shows the complete loss of oil pressure while driving. The best action is to______________.

  1. Stop by the gas station when convenient to top off the oil.
  2. Pull over immediately and investigate the problem.
  3. Drive directly to a repair garage.
  4. Assume everything is fine and continue driving as usual.

Answer(s): B



A two-cycle engine will normally be found on __________________.

  1. small cars
  2. large diesel trucks
  3. trucks, vans, and some cars
  4. snowmobiles, chainsaws, and some motorcycles

Answer(s): D



The difference between a single-acting and an opposed piston engine is_____________.

  1. Single-acting piston engines wear longer.
  2. Opposed piston engines have cylinders set in a V-shape.
  3. Single-acting piston engines have one piston per cylinder and opposed piston engines have two.
  4. Single-acting piston engines are used with carburetors and opposed piston engines are used with fuel injectors.

Answer(s): C






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