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 1 - (1/rγ - 1) None of these 1 - rγ - 1 1 + rγ - 1 1 - (1/rγ - 1) None of these 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 petrol engine, the mixture has the lowest pressure at the End of compression stroke Beginning of suction stroke End of suction stroke None of these End of compression stroke Beginning of suction stroke End of suction stroke None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The probability of knocking in diesel engines is increased by All of these Low volatility Higher viscosity High self ignition temperature All of these Low volatility Higher viscosity High self ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines When crude oil is heated, then which of the following hydrocarbon is given off first? Paraffin Natural gas Kerosene Gasoline Paraffin Natural gas Kerosene Gasoline 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 Detonation Ignition delay Auto-ignition Pre-ignition Detonation Ignition delay Auto-ignition Pre-ignition ANSWER DOWNLOAD EXAMIANS APP
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