Internal Combustion Engines A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is 248 cm3 264 cm3 286 cm3 252 cm3 248 cm3 264 cm3 286 cm3 252 cm3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre May open and close anywhere Opens at bottom dead centre and closes at top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre May open and close anywhere Opens at bottom dead centre and closes at top dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is __________ the atmospheric pressure. Below Above None of these Equal to Below Above None of these Equal to 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‚) Vâ‚/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚€/(Vâ‚€ + Vâ‚) Vâ‚/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to Instantaneous and rapid burning of the first part of the charge Instantaneous auto ignition of last part of charge Reduction of delay period Delayed burning of the first part of the charge Instantaneous and rapid burning of the first part of the charge Instantaneous auto ignition of last part of charge Reduction of delay period Delayed burning of the first part of the charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pick up the wrong statement about supercharging Supercharging results in fuel economy There can be limited supercharging in petrol engines because of detonation Supercharging at high altitudes is essential Supercharging reduces knocking in diesel engines Supercharging results in fuel economy There can be limited supercharging in petrol engines because of detonation Supercharging at high altitudes is essential Supercharging reduces knocking in diesel engines ANSWER DOWNLOAD EXAMIANS APP
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