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.
Which situation is the best example of thermostat?
- The charging system replenishes the battery during operation.
- A timed electrical spark begins combustion in a cylinder.
- Oscillation decreases after a wheel passes over a bump.
- Coolant flow to the radiator increases as the engine warms.
Reveal answer and explanation
Coolant flow to the radiator increases as the engine warms.
thermostat is a temperature-controlled valve that regulates coolant flow. Coolant flow to the radiator increases as the engine warms.