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

ASVAB ASVAB-SECTION-4 Online Questions & Answers

• Question 21:

  There are four types of fuel injection used in cars today. They are throttle body injection, multi-port injection, direct injection, and __________.

  A. a manual continuous electronic flow injection
  B. sequential fuel injection
  C. automatic circuitous injection
  D. manual intermittent injection
  B. sequential fuel injection

• Question 22:

  The function of a brake drum or rotor is to act as __________.

  A. a heat extinguisher
  B. a heat sink
  C. a friction element
  D. all of the above
  D. all of the above

• Question 23:

  Soft brake-pedal movement can be caused by __________.

  A. air in the hydraulic brake system
  B. malfunctioning brake shoes
  C. loss of brake fluid
  D. worn rotors
  A. air in the hydraulic brake system

• Question 24:

  To determine the number of threads per inch on a fastener, use a __________.

  A. depth gauge
  B. thread gauge
  C. thickness gauge
  D. wire gauge
  B. thread gauge

• Question 25:

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

  A. front end alignment
  B. front tire balance
  C. cracked steering column
  D. over-inflated tires
  B. front tire balance

• Question 26:

  The alternator __________.

  A. starts the engine
  B. supplies power to the battery
  C. connects the ignition system to the engine
  D. can be used as an alternative to motor oil
  B. supplies power to the battery

• Question 27:

  In order to change a tire, a __________ must be used to lift the bottom of the car.

  A. jack
  B. socket wrench
  C. hoist
  D. boom truck
  A. jack

• Question 28:

  The order in which an engine's spark plugs fire is established by the order in which the __________.

  A. plugs are mounted in the engine.
  B. plug leads are connected to the distributor cap.
  C. condenser is connected.
  D. contact points are opened.
  B. plug leads are connected to the distributor cap.

• Question 29:

  Phineas decided to build a tree house in the tree in his backyard. He had finished making the walls and the roof and the last step was to put in the door, but he was having a difficult time fitting it perfectly onto the door frame. The door sides kept chafing on the door frame.

  To fix this, he should ___________.

  A. replace the door
  B. use a finishing tool (plane) to fine the sides of the door
  C. make sure the wood material is intended for door purposes
  D. varnish the sides of the door very well
  B. use a finishing tool (plane) to fine the sides of the door

• Question 30:

  Hammer faces are commonly made of each of the following materials EXCEPT __________.

  A. steel
  B. brass
  C. plastic
  D. lead
  C. plastic