General Studies · Engine Cooling System
What is the primary function of a thermostat valve in a liquid-cooled engine?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To heat up the coolant water during cold starts
- 2To control the flow of coolant between the engine block and the radiator✓
- 3To evaporate excess moisture from the cooling circuit
- 4To switch on the electrical water pump
Correct answer
To control the flow of coolant between the engine block and the radiator
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