Internal Combustion Engines The ratio of the brake power to the indicated power is called Overall efficiency Volumetric efficiency Mechanical efficiency Indicated thermal efficiency Overall efficiency Volumetric efficiency Mechanical efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A spark plug gap is kept from 0.3 to 0.7 mm 0.6 to 1.0 mm 0.4 to 0.9 mm 0.2 to 0.8 mm 0.3 to 0.7 mm 0.6 to 1.0 mm 0.4 to 0.9 mm 0.2 to 0.8 mm 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 gravity Centre of buoyancy Metacentre Centre of pressure Centre of gravity Centre of buoyancy Metacentre Centre of pressure ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The correct mixture strength (by weight) for petrol is about 18.5 : 1 22.6 : 1 14.6 : 1 20.4 : 1 18.5 : 1 22.6 : 1 14.6 : 1 20.4 : 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel valve in a four stroke cycle diesel engine Opens at 15° before top dead center and closes at 20° after top dead center Opens at 15° 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 15° before top dead center and closes at 20° after top dead center Opens at 15° 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of efficiency of a compression ignition engine, as the load decreases, is due to Qualitative governing Higher maximum temperature Hit and miss governing Quantitative governing Qualitative governing Higher maximum temperature Hit and miss governing Quantitative governing ANSWER DOWNLOAD EXAMIANS APP
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