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 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The purpose of testing an internal combustion engine is To satisfy the customer regarding the performance of the engine All of these To conform the data used in design, the validity of which may be doubtful To determine the information, which cannot be obtained by calculations To satisfy the customer regarding the performance of the engine All of these To conform the data used in design, the validity of which may be doubtful To determine the information, which cannot be obtained by calculations ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine has 1 valve 2 valves 3 valves 4 valves 1 valve 2 valves 3 valves 4 valves ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Combustion in compression ignition engines is Homogeneous Heterogeneous Both (A) and (B) Laminar Homogeneous Heterogeneous Both (A) and (B) Laminar ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A heat engine utilizes the Low heat value of Mean heat value of oil High heat value of oil Calorific value of oil Low heat value of Mean heat value of oil High heat value of oil Calorific value of oil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Mechanical efficiency Overall efficiency Volumetric efficiency Indicated thermal efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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