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 252 cm3 286 cm3 248 cm3 264 cm3 252 cm3 286 cm3 248 cm3 264 cm3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The probability of knocking in diesel engines is increased by All of these High self ignition temperature Higher viscosity Low volatility All of these High self ignition temperature Higher viscosity Low volatility ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the compression Starts at 40° after bottom dead centre and ends at 30° before top dead centre Starts at bottom dead centre and ends at top dead centre Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre May start and end anywhere Starts at 40° after bottom dead centre and ends at 30° before top dead centre Starts at bottom dead centre and ends at top dead centre Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre May start and end anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following fuel detonates readily? Iso-octane Normal heptane Alcohol Benzene Iso-octane Normal heptane Alcohol Benzene ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will Be independent Increase Decrease May increase or decrease depending on other factors Be independent Increase Decrease May increase or decrease depending on other factors 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 Reduction of delay period Instantaneous auto ignition of last part of charge Delayed burning of the first part of the charge Instantaneous and rapid burning of the first part of the charge Reduction of delay period Instantaneous auto ignition of last part of charge Delayed burning of the first part of the charge ANSWER DOWNLOAD EXAMIANS APP
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