Physics · Automobile Engineering
What is the primary function of a thermostat valve within an engine cooling system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To accelerate the circulation of water through the radiator at sub-zero temperatures
- 2To allow a cold engine to reach its optimum operating temperature quickly by restricting radiator flow✓
- 3To elevate the boiling point of the coolant by increasing pressure inside the system
- 4To filter particulate matter and chemical impurities from the circulating coolant fluid
Correct answer
To allow a cold engine to reach its optimum operating temperature quickly by restricting radiator flow
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