Internal Combustion Engines Which one of the following event would reduce volumetric efficiency of a vertical compression ignition engine? Inlet valve opening before top dead center Inlet valve closing before bottom dead center Exhaust valve closing after top dead center Inlet valve closing after bottom dead center Inlet valve opening before top dead center Inlet valve closing before bottom dead center Exhaust valve closing after top dead center Inlet valve closing after bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is not an intern’s combustion engine? 2-stroke petrol engine 4-stroke petrol engine Steam turbine Diesel engine 2-stroke petrol engine 4-stroke petrol engine Steam turbine Diesel engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have Low density Long ignition delay Low temperature All of these Low density Long ignition delay Low temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be 0.04 0.08 0.14 0.02 0.04 0.08 0.14 0.02 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, advancing of the spark timing will ___ the knocking tendency. Increase Not effect Decrease None of the listed here Increase Not effect Decrease None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition quality of petrol is expressed by All of these Cetane number Calorific value Octane number All of these Cetane number Calorific value Octane number ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS