Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = (B.P × I.P)/100 ηm = B.P/I.P None of these ηm = I.P/B.P ηm = (B.P × I.P)/100 ηm = B.P/I.P None of these ηm = I.P/B.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is false statement? Formation of hard coating on piston skirts Detonation Piston ring and cylinder wear Oil sludge in the engine crank case Formation of hard coating on piston skirts Detonation Piston ring and cylinder wear Oil sludge in the engine crank case ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A carburettor is used to supply Air and diesel Petrol, air and lubricating oil Petrol and lubricating oil Petrol and air Air and diesel Petrol, air and lubricating oil Petrol and lubricating oil Petrol and air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A two stroke cycle engine gives ________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed. Four times Half Same Double Four times Half Same Double ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the inlet valve Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 20° before top dead center and closes at 40° after bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Between 50 and 85% Between 95 and 100% Below 50% Between 85 and 95% Between 50 and 85% Between 95 and 100% Below 50% Between 85 and 95% ANSWER DOWNLOAD EXAMIANS APP
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