Internal Combustion Engines The pressure and temperature at the end of compression stroke in a petrol engine are of the order of 6-12 kg/cm² and 250-350°C 4-6 kg/cm² and 200-250°C 12-20 kg/cm² and 350-450°C 20-30 kg/cm² and 450-500°C 6-12 kg/cm² and 250-350°C 4-6 kg/cm² and 200-250°C 12-20 kg/cm² and 350-450°C 20-30 kg/cm² and 450-500°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to 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 Instantaneous and rapid burning of the first part of the charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which one of the following engines will have heavier flywheel than the remaining ones? 30 kW four-stroke diesel engine running at 750 r.p.m. 30 kW four-stroke petrol engine running at 1500 r.p.m. 30 kW two-stroke diesel engine running at 750 r.p.m. 30 kW two-stroke petrol engine running at 1500 r.p.m. 30 kW four-stroke diesel engine running at 750 r.p.m. 30 kW four-stroke petrol engine running at 1500 r.p.m. 30 kW two-stroke diesel engine running at 750 r.p.m. 30 kW two-stroke petrol engine running at 1500 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines It the temperature of intake air in IC engines is lowered, then its efficiency will Increase Remain same Decrease Increase up to certain limit and then decrease Increase Remain same Decrease Increase up to certain limit and then decrease ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The object of supercharging the engine is To reduce space occupied by the engine All of these To increase the power output of an engine when greater power is required To reduce mass of the engine per brake power To reduce space occupied by the engine All of these To increase the power output of an engine when greater power is required To reduce mass of the engine per brake power ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is Less More More or less depending on power rating Same Less More More or less depending on power rating Same ANSWER DOWNLOAD EXAMIANS APP
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