SSC JE Mechanical Engineering 22 Mar 2021 Shift 2 Papers

Question : 180 of 199

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Which of the following statements is more relevant in the context of IC engines?

Compression ratio of the fuel-air mixture is in the range of 6 to 10 in Spark Ignition (SI) engines.
Compression ratio for air is in the range of 16 to 20 for SI engines.
Walls of the engine cylinder of SI engines need to be thicker than CI engines.
Compression Ignition (CI) engines have lesser weight than SI engines.

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