Internal Combustion Engines If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be 0.08 0.02 0.04 0.14 0.08 0.02 0.04 0.14 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The voltage required to produce a spark across the gap, between the sparking points is 10,000 to 12,000 volts 2000 to 4000 volts 6000 to 10,000 volts 4000 to 6000 volts 10,000 to 12,000 volts 2000 to 4000 volts 6000 to 10,000 volts 4000 to 6000 volts ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If Vâ‚ is the jet velocity and Vâ‚€ is the vehicle velocity, then the propulsive efficiency of a rocket is given by Vâ‚€/(Vâ‚€ + Vâ‚) [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚€/(Vâ‚€ + Vâ‚) [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The effective inhibitor of pre-ignition is None of these Alcohol Lead Water None of these Alcohol Lead Water ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The brake power of a diesel engine, keeping other parameters constant, can be increased by Increasing the temperature of intake air Increasing the pressure of intake air Decreasing the pressure of intake air Decreasing the density of intake air Increasing the temperature of intake air Increasing the pressure of intake air Decreasing the pressure of intake air Decreasing the density of intake air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is not an intern’s combustion engine? 4-stroke petrol engine Diesel engine 2-stroke petrol engine Steam turbine 4-stroke petrol engine Diesel engine 2-stroke petrol engine Steam turbine ANSWER DOWNLOAD EXAMIANS APP
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