Internal Combustion Engines The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will Decrease Increase Be independent May increase or decrease depending on other factors Decrease Increase Be independent May increase or decrease depending on other factors ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called Relative efficiency Net efficiency Overall efficiency Efficiency ratio Relative efficiency Net efficiency Overall efficiency Efficiency ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The delay period in compression ignition engines depends upon Temperature and pressure in the cylinder at the time of injection Relative velocity between the fuel injection and air turbulence pressure of residual gases All of these Nature of the fuel mixture strength Temperature and pressure in the cylinder at the time of injection Relative velocity between the fuel injection and air turbulence pressure of residual gases All of these Nature of the fuel mixture strength ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The actual volume of fresh charge admitted in 4-stroke petrol engine is Less than stroke volume Equal to stroke volume More than stroke volume Equal to stroke volume and clearance volume Less than stroke volume Equal to stroke volume More than stroke volume Equal to stroke volume and clearance volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding petrol engines? 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 All of these The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition 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 All of these The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Scavenging air in diesel engine means Burnt air containing products of combustion Air used for combustion sent under pressure Forced air for cooling cylinder Air used for forcing burnt gases out of engine's cylinder during the exhaust period Burnt air containing products of combustion Air used for combustion sent under pressure Forced air for cooling cylinder Air used for forcing burnt gases out of engine's cylinder during the exhaust period ANSWER DOWNLOAD EXAMIANS APP
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