Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.3 0.15 0.7 0.5 0.3 0.15 0.7 0.5 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 Double Same Half Four times Double Same Half ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of efficiency of a compression ignition engine, as the load decreases, is due to Hit and miss governing Quantitative governing Higher maximum temperature Qualitative governing Hit and miss governing Quantitative governing Higher maximum temperature Qualitative governing ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure inside the cylinder is _________ the atmospheric pressure during the exhaust stroke. Above Below Equal to None of these Above Below Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center May open and close anywhere Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at bottom dead center and closes at top dead center Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center May open and close anywhere Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at bottom dead center and closes at top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines For the same compression ratio Both Otto and Diesel cycles are, equally efficient Compression ratio has nothing to do with efficiency Diesel cycle is more efficient than Otto Otto cycle is more efficient than the Diesel Both Otto and Diesel cycles are, equally efficient Compression ratio has nothing to do with efficiency Diesel cycle is more efficient than Otto Otto cycle is more efficient than the Diesel ANSWER DOWNLOAD EXAMIANS APP