Internal Combustion Engines The ratio of the brake power to the indicated power is called Mechanical efficiency Volumetric efficiency Overall efficiency Indicated thermal efficiency Mechanical efficiency Volumetric efficiency Overall efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as Centre of buoyancy Metacentre Centre of gravity Centre of pressure Centre of buoyancy Metacentre Centre of gravity Centre of pressure ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, the mixture has the lowest pressure at the None of these End of suction stroke Beginning of suction stroke End of compression stroke None of these End of suction stroke Beginning of suction stroke End of compression stroke ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to Any one of the listed here Red hot carbon deposits on cylinder walls Overheated spark plug points Cylinder walls being too hot Any one of the listed here Red hot carbon deposits on cylinder walls Overheated spark plug points Cylinder walls being too hot ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking tendency in spark ignition engines may be decreased by Controlling the ignition timing Controlling the exhaust temperature Reducing the compression ratio Controlling the air-fuel mixture Controlling the ignition timing Controlling the exhaust temperature Reducing the compression ratio Controlling the air-fuel mixture ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, the delay period is of the order of 0.004 second 0.002 second 0.001 second 0.003 second 0.004 second 0.002 second 0.001 second 0.003 second ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS