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

ASVAB ASVAB-SECTION-4 Online Questions & Answers

• Question 141:

  On which automotive system would a "stall test" be performed?

  A. transmission
  B. exhaust
  C. engine
  D. suspension
  C. engine

• Question 142:

  Washers that have teeth all around the circumference to prevent them from slipping are called __________.

  A. shake proof washers
  B. jaw washers
  C. flat washers
  D. split-lock washers
  A. shake proof washers

• Question 143:

  A tire that bears the code "P 185/70 R 14" is __________.

  A. a passenger-car tire that is 70 millimeters high.
  B. a passenger-car tire that is 185 millimeters wide.
  C. a radial tire that is 70 millimeters high.
  D. a P-metric tire that is 70 millimeters wide.
  B. a passenger-car tire that is 185 millimeters wide.

• Question 144:

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

  A. Single-acting piston engines wear longer.
  B. Opposed piston engines have cylinders set in a V-shape.
  C. Single-acting piston engines have one piston per cylinder and opposed piston engines have two.
  D. Single-acting piston engines are used with carburetors and opposed piston engines are used with fuel injectors.
  C. Single-acting piston engines have one piston per cylinder and opposed piston engines have two.

• Question 145:

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

  A. The governor has malfunctioned.
  B. The voltage regulator isn't working properly.
  C. The ignition coil has overheated.
  D. The battery-acid solution is low.
  B. The voltage regulator isn't working properly.

• Question 146:

  Which of the following items is part of the braking system is an automobile?

  A. master cylinder
  B. calipers
  C. drums
  D. all of the above
  D. all of the above

• Question 147:

  During the compression stroke on a four cycle engine __________.

  A. The intake valve opens to fill the cylinder with fuel.
  B. The burning fuel mixture forces the piston to the bottom of the cylinder.
  C. The intake valve closes, and the piston moves to the top of the cylinder.
  D. The exhaust valve releases the burned gas.
  C. The intake valve closes, and the piston moves to the top of the cylinder.

• Question 148:

  ABS is a modern four-wheel system that prevents the wheels of the car from locking up. ABS stands for __________.

  A. anti-break system
  B. anti-lock brake system
  C. automatic breakaway system
  D. armed blocking system
  B. anti-lock brake system

• Question 149:

  A chisel is used for __________.

  A. twisting
  B. prying
  C. grinding
  D. cutting
  D. cutting

• Question 150:

  When an engine runs on after the ignition key is turned off, it's called __________.

  A. auto-ignition
  B. sputtering
  C. ignition recharge
  D. ignition malfunction
  A. auto-ignition