Free ASVAB Test Exam Braindumps
Armed Services Vocational Aptitude Battery Test: General Science, Arithmetic Reasoning, Word Knowledge, Paragraph Comprehension, Mathematics Knowledge, Electronics Information, Automotive & Shop Information, Mechanical Comprehension, Assembling Objects Questions 391–395 (page: 80)

Updated On: 9-Feb-2026

The function of a catalytic converter is primarily to __________.

  1. change pollutants into substances that are less harmful
  2. improve the starting power of the automobile
  3. force air into the engine for better acceleration
  4. control the amount of gasoline that flows into the engine

Answer(s): A

Explanation:

The catalytic converter converts pollutants into less harmful substances.



Which automotive system uses fuses and an alternator?

  1. the engine
  2. the cooling system
  3. the electrical system
  4. the steering system

Answer(s): C

Explanation:

The fuses are used as links in the electrical system to prevent damage to other key components. The alternator is used to recharge the battery when the car is running.



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

  1. master cylinder
  2. calipers
  3. drums
  4. all of the above

Answer(s): D

Explanation:

When the brake pedal is pressed, it operates the master cylinder, which forces the brake fluid through the lines out to each wheel. The pressure in the brake lines causes the calipers to move and press the brake shoes against the brake drum. This causes the automobile to slow down.



To make a wide groove in a board with a table saw, what type of blade would you use?

  1. mitre
  2. cross-cut
  3. rip
  4. dado

Answer(s): D

Explanation:

A dado head blade is used for making wide grooves.



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

  1. a heat extinguisher
  2. a heat sink
  3. a friction element
  4. all of the above

Answer(s): D

Explanation:

A brake system works on the principle of friction, which develops heat in the process of braking. The drum absorbs and dissipates the heat developed.



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