Internal Combustion Engines The ratio of the indicated thermal efficiency to the air standard efficiency is known as Mechanical efficiency Overall efficiency Relative efficiency Volumetric efficiency Mechanical efficiency Overall efficiency Relative efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Stoichiometric ratio is Chemically correct air-fuel ratio by weight Actual air-fuel ratio for maximum efficiency Chemically correct air-fuel ratio by volume None of these Chemically correct air-fuel ratio by weight Actual air-fuel ratio for maximum efficiency Chemically correct air-fuel ratio by volume None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The volumetric efficiency of a well designed engine may be 30 to 40% 75 to 90% 60 to 70% 40 to 60% 30 to 40% 75 to 90% 60 to 70% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% iso-octane and 25% normal heptane 75% diesel and 25% petrol 75% normal heptane and 25% iso-octane 75% petrol and 25% diesel 75% iso-octane and 25% normal heptane 75% diesel and 25% petrol 75% normal heptane and 25% iso-octane 75% petrol and 25% diesel ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The working cycle in case of four stroke engine is completed in following number of revolutions of crankshaft 2 1 43832 4 2 1 43832 4 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 Metacentre Centre of gravity Centre of buoyancy Centre of pressure Metacentre Centre of gravity Centre of buoyancy Centre of pressure ANSWER DOWNLOAD EXAMIANS APP