Auto information · Difficulty 1
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.
Which statement best describes catalytic converter?
- an exhaust device that converts harmful gases into less harmful compounds
- a hydraulic assembly that squeezes disc-brake pads against a rotor
- a temperature-controlled valve that regulates coolant flow
- a device that ignites the compressed air-fuel mixture in a gasoline engine
Reveal answer and explanation
an exhaust device that converts harmful gases into less harmful compounds
catalytic converter is an exhaust device that converts harmful gases into less harmful compounds. Exhaust passes through a catalyst before leaving the tailpipe.