Internal Combustion Engines The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed 180°C 120°C 80°C 240°C 180°C 120°C 80°C 240°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is 248 cm3 252 cm3 286 cm3 264 cm3 248 cm3 252 cm3 286 cm3 264 cm3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the compression Starts at 40° after bottom dead center and ends at 10° before top dead center May start and end anywhere Starts at 40° before top dead center and ends at 40° after top dead center Starts at top dead center and ends at 40° before bottom dead center Starts at 40° after bottom dead center and ends at 10° before top dead center May start and end anywhere Starts at 40° before top dead center and ends at 40° after top dead center Starts at top dead center and ends at 40° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding petrol engines? A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition All of these 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 A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition All of these 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 Pick up the wrong statement about supercharging There can be limited supercharging in petrol engines because of detonation Supercharging results in fuel economy Supercharging reduces knocking in diesel engines Supercharging at high altitudes is essential There can be limited supercharging in petrol engines because of detonation Supercharging results in fuel economy Supercharging reduces knocking in diesel engines Supercharging at high altitudes is essential ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase in intake temperature of internal combustion engines will ___ efficiency. Have no effect on Decrease Increase None of the listed here Have no effect on Decrease Increase None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS