Internal Combustion Engines A diesel engine has compression ratio from 15 to 25 6 to 10 10 to 15 25 to 40 15 to 25 6 to 10 10 to 15 25 to 40 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Number of working strokes per min. for a two stroke cycle engine is ____ the speed of the engine in r.p.m. One-half Twice Four-times Equal to One-half Twice Four-times Equal to ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the indicated thermal efficiency to the air standard efficiency is known as Volumetric efficiency Relative efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Relative efficiency Mechanical efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the expansion Starts at 30° before top dead center and ends at 50° before bottom dead center May start and end anywhere Starts at 30° after top dead center and ends at 50° after bottom dead center Starts at top dead center and ends at bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center May start and end anywhere Starts at 30° after top dead center and ends at 50° after bottom dead center Starts at top dead center and ends at bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the temperature of intake air in internal combustion engine increases, then its efficiency will Increase None of the listed here Remain same Decrease Increase None of the listed here Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The brake power of a diesel engine, keeping other parameters constant, can be increased by Increasing the pressure of intake air Decreasing the density of intake air Increasing the temperature of intake air Decreasing the pressure of intake air Increasing the pressure of intake air Decreasing the density of intake air Increasing the temperature of intake air Decreasing the pressure of intake air ANSWER DOWNLOAD EXAMIANS APP
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