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 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Excess quantities of sulphur in diesel fuel are Objectionable because it may cause the following ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the End of suction stroke Beginning of exhaust stroke Beginning of suction stroke End of exhaust stroke End of suction stroke Beginning of exhaust stroke Beginning of suction stroke End of exhaust stroke ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum propulsive efficiency of a turbojet engine is at a speed of 3000 km/h 1000 km/h 2400 km/h 2000 km/h 3000 km/h 1000 km/h 2400 km/h 2000 km/h ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The brake power of a diesel engine, keeping other parameters constant, can be increased by Decreasing the density of intake air Increasing the pressure of intake air Decreasing the pressure of intake air Increasing the temperature of intake air Decreasing the density of intake air Increasing the pressure of intake air Decreasing the pressure of intake air Increasing the temperature of intake air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The frictional power (F.P.) is given by P. F.P. = P. - I.P. P./I.P. F.P. = F.P. = I.P. - P. F.P. = I.P./ P. F.P. = P. - I.P. P./I.P. F.P. = F.P. = I.P. - P. F.P. = I.P./ ANSWER DOWNLOAD EXAMIANS APP
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