Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + rγ - 1 None of these 1 - (1/rγ - 1) 1 - rγ - 1 1 + rγ - 1 None of these 1 - (1/rγ - 1) 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Supercharging is the process of supplying the intake air to the engine cylinder at a density ___ the density of the surrounding atmosphere. Greater than Equal to Less than None of the listed here Greater than Equal to Less than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called Net efficiency Efficiency ratio Relative efficiency Overall efficiency Net efficiency Efficiency ratio Relative efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition of the charge by some hot surface within the engine before the passage of spark is called Ignition delay Pre-ignition Detonation Auto-ignition Ignition delay Pre-ignition Detonation Auto-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per BH hour for a petrol engine is approximately 0.2 kg 0.15 kg 0.25 kg 0.3 kg 0.2 kg 0.15 kg 0.25 kg 0.3 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In diesel engine, the compression ratio in comparison to expansion ratio is More Variable Same Less More Variable Same Less ANSWER DOWNLOAD EXAMIANS APP
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