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 thermostat?
- a component that dampens suspension movement
- a temperature-controlled valve that regulates coolant flow
- a belt-driven generator that supplies electrical power while the engine runs
- a device that ignites the compressed air-fuel mixture in a gasoline engine
Reveal answer and explanation
a temperature-controlled valve that regulates coolant flow
thermostat is a temperature-controlled valve that regulates coolant flow. Coolant flow to the radiator increases as the engine warms.