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The pressure in an engine cylinder is less than atmospheric pressure when the engine is performing which stroke?

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in Automobile Engineering by (80.5k points)
The pressure in an engine cylinder is less than atmospheric pressure when the engine is performing which stroke?

(a) Suction

(b) Compression

(c) Power

(d) Exhaust

This question was posed to me during an online interview.

Origin of the question is Energy Cycle in section Internal Combustion Engines of Automobile Engineering

1 Answer

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Best answer
Correct answer is (a) Suction

For explanation I would say: During suction stroke the inside pressure is less than atmospheric pressure.

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