ASVAB ASVAB-SECTION-4 Online Practice Questions and Exam Preparation

ASVAB ASVAB-SECTION-4 Online Questions & Answers

• Question 31:

  Brake systems work by __________.

  A. applying friction to the wheels to stop their rotation
  B. reversing power to the wheels
  C. applying pressure to the axle
  D. interrupting power to the transmission
  A. applying friction to the wheels to stop their rotation

• Question 32:

  A carpenter's square is used to __________.

  A. tell if something is level.
  B. tell if something is vertical.
  C. draw lines at right angles (90? to each other.
  D. draw lines at right angles (180? to each other.
  C. draw lines at right angles (90? to each other.

• Question 33:

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

  A. freeze plugs
  B. radiator
  C. thermostat
  D. hydrator
  D. hydrator

• Question 34:

  A typical car engine has how many strokes per cycle?

  B. 6
  C. 8
  D. 4
  D. 4

• Question 35:

  The primary purpose of emission-control systems is to __________.

  A. reduce emissions
  B. reduce fuel consumption
  C. reuse exhaust
  D. inject fuel
  A. reduce emissions

• Question 36:

  The term penny is used to designate the __________.

  A. number of threads per inch on a screw
  B. length of a nail
  C. cost of a nail
  D. material a nail is made from
  B. length of a nail

• Question 37:

  The __________ is the part of the electrical system in charge of absorbing excess current.

  A. distributor
  B. voltage regulator
  C. shock absorber
  D. coil
  B. voltage regulator

• Question 38:

  Which type of saw is best used for cutting small, often awkward features in building materials such as drywall?

  A. Keyhole saw
  B. Crosscut saw
  C. Hacksaw
  D. Rip saw
  A. Keyhole saw

• Question 39:

  The purpose of the oil pump is to __________.

  A. allow excess or dirty gas to be pumped out of the gas tank
  B. lubricate the wheels to ensure they keep on rotating
  C. reserve oil for the car to run in case the gas tank becomes empty
  D. provide lubrication and prevent friction between metal parts of the engine
  D. provide lubrication and prevent friction between metal parts of the engine

• Question 40:

  If a car has difficulty starting up, despite having a full tank of gas and no problems with the electrical system, the next possible reason is because __________.

  A. the battery is dead or missing
  B. the hand brake is engaged
  C. the air filter is very dirty
  D. the pressure in the wheels is low
  C. the air filter is very dirty