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Why does the engine overheating happen?

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in Automobile Engineering by (80.5k points)
Why does the engine overheating happen?

(a) Due to a broken fan belt

(b) Due to excess coolant

(c) Due to an open thermostat

(d) Due to the stuck radiator pressure cap

The question was asked in unit test.

Enquiry is from Heat Rejection and Cooling topic in division Nonconventional Engines, Conventional Energy Sources & Cooling System of Automobile Engineering

1 Answer

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The correct option is (a) Due to a broken fan belt

The explanation is: The engine overheating happens due to a broken fan belt. When a fan is broke, it cannot cool the hot water. It should be capable of removing about 30% of the heat from the combustion chamber.

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