Internal Combustion Engines The ratio of the indicated thermal efficiency to the air standard efficiency is known as Mechanical efficiency Overall efficiency Volumetric efficiency Relative efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Relative efficiency 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 temperature Low density Long ignition delay All of these Low temperature Low density Long ignition delay All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding petrol engines? The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition All of these A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition All of these A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Indicated thermal efficiency Volumetric efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency Volumetric efficiency Overall efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the inlet valve 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 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Theoretically, a four stroke cycle engine should develop _________ power as that of a two stroke cycle engine. Half Four times Same Double Half Four times Same Double ANSWER DOWNLOAD EXAMIANS APP