Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine May open and close anywhere Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at bottom dead center and closes at top dead center May open and close anywhere Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at bottom dead center and closes at top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called Net efficiency Relative efficiency Overall efficiency Efficiency ratio Net efficiency Relative efficiency Overall efficiency Efficiency ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is false statement? Some of the methods used to reduce diesel smoke are as follows Adherence to proper fuel specification Increasing the compression ratio Using additives in the fuel Avoidance of overloading Adherence to proper fuel specification Increasing the compression ratio Using additives in the fuel Avoidance of overloading ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum temperature in the I.C. engine cylinder is of the order of 500-1000°C 2000-2500°C 1500-2000°C 1000-1500°C 500-1000°C 2000-2500°C 1500-2000°C 1000-1500°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If petrol is used in a diesel engine, then Efficiency will be low Higher knocking will occur Low power will be produced Black smoke will be produced Efficiency will be low Higher knocking will occur Low power will be produced Black smoke will be produced ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the Scavenging occurs Piston rings would stick into piston grooves Engine starts overheating Exhaust will be smoky Scavenging occurs Piston rings would stick into piston grooves Engine starts overheating Exhaust will be smoky ANSWER DOWNLOAD EXAMIANS APP
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