Internal Combustion Engines The basic requirement of a good combustion chamber is High thermal efficiency and power output Minimum turbulence Low compression ratio Low volumetric efficiency High thermal efficiency and power output Minimum turbulence Low compression ratio Low volumetric efficiency 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% normal heptane and 25% iso-octane 75% diesel and 25% petrol 75% petrol and 25% diesel 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane 75% diesel and 25% petrol 75% petrol and 25% diesel 75% iso-octane and 25% normal heptane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pick up the wrong statement about supercharging 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 There can be limited supercharging in petrol engines because of detonation Supercharging results in fuel economy ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In loop scavenging, the top of the piston is Flat Contoured Depressed Slanted Flat Contoured Depressed Slanted ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of cooling water temperature in petrol engine will _________ the knocking tendency. Not effect None of these Increase Decrease Not effect None of these Increase Decrease 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 Centre of gravity Metacentre Centre of pressure Centre of buoyancy Centre of gravity Metacentre Centre of pressure ANSWER DOWNLOAD EXAMIANS APP
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