EREnlistReadyASVAB & Army CareersOpen web app

Auto information · Difficulty 3

Try this ASVAB-style question.

Choose your answer before opening the explanation. This original practice item is for preparation and does not reproduce an official test question.

Question

Which situation is the best example of catalytic converter?

  1. Coolant flow to the radiator increases as the engine warms.
  2. A timed electrical spark begins combustion in a cylinder.
  3. Exhaust passes through a catalyst before leaving the tailpipe.
  4. Fluid pressure causes pads to clamp a spinning disc.
Reveal answer and explanation

Exhaust passes through a catalyst before leaving the tailpipe.

catalytic converter is an exhaust device that converts harmful gases into less harmful compounds. Exhaust passes through a catalyst before leaving the tailpipe.