General Studies · Automobile Engineering
What is the primary operational function of a pressure radiator cap?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Mechanically turning on the thermostat valve
- 2Providing electrical signals to start the engine
- 3Completely stopping the flow of coolant to the engine block
- 4Maintaining a specific pressure to raise the coolant's boiling point✓
Correct answer
Maintaining a specific pressure to raise the coolant's boiling point
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