Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines May open and close anywhere Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center May open and close anywhere Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is not an intern’s combustion engine? Diesel engine 4-stroke petrol engine 2-stroke petrol engine Steam turbine Diesel engine 4-stroke petrol engine 2-stroke petrol engine Steam turbine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per BH hour for a petrol engine is approximately 0.25 kg 0.3 kg 0.15 kg 0.2 kg 0.25 kg 0.3 kg 0.15 kg 0.2 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In the opposed piston diesel engine, the combustion chamber is located Between the pistons There is no such criterion Below the piston Above the piston Between the pistons There is no such criterion Below the piston Above the piston ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane 75% diesel and 25% petrol 75% petrol and 25% diesel 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane 75% diesel and 25% petrol 75% petrol and 25% diesel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called Efficiency ratio Relative efficiency Overall efficiency Net efficiency Efficiency ratio Relative efficiency Overall efficiency Net efficiency ANSWER DOWNLOAD EXAMIANS APP
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