Internal Combustion Engines The thermal efficiency of a petrol engine is _________ as compared to diesel engine. Less Same None of these More Less Same None of these More ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a coil ignition system of petrol engines, a condenser is connected across the contact breaker in order to Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Prevent sparking across the gap between the points None of these Both (A) and (B) Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Prevent sparking across the gap between the points None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The volumetric efficiency of a well designed engine may be 75 to 90% 60 to 70% 40 to 60% 30 to 40% 75 to 90% 60 to 70% 40 to 60% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum propulsive efficiency of a turbojet engine is at a speed of 2400 km/h 3000 km/h 1000 km/h 2000 km/h 2400 km/h 3000 km/h 1000 km/h 2000 km/h ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of diesel engines on weak mixtures is Dependent on other factors Unaffected Lower Higher Dependent on other factors Unaffected Lower Higher ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The basic requirement of a good combustion chamber is High thermal efficiency and power output Minimum turbulence Low volumetric efficiency Low compression ratio High thermal efficiency and power output Minimum turbulence Low volumetric efficiency Low compression ratio ANSWER DOWNLOAD EXAMIANS APP
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