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 + rγ - 1 1 - (1/rγ - 1) 1 - rγ - 1 None of these 1 + rγ - 1 1 - (1/rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m. Equal to Twice Four-times One-half Equal to Twice Four-times One-half ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The compression ignition engines are governed by Qualitative governing Quantitative governing Hit and miss governing Combination of (B) and (C) Qualitative governing Quantitative governing Hit and miss governing Combination of (B) and (C) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% normal heptane and 25% iso-octane 75% petrol and 25% diesel 75% diesel and 25% petrol 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane 75% petrol and 25% diesel 75% diesel and 25% petrol 75% iso-octane and 25% normal heptane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of 250°C 500°C 1000°C 2000°C 250°C 500°C 1000°C 2000°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The inlet value of a four stroke cycle I.C engine remains open for nearly 125° 235° 200° 180° 125° 235° 200° 180° ANSWER DOWNLOAD EXAMIANS APP
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