Internal Combustion Engines The ratio of the indicated thermal efficiency to the air standard efficiency is known as Relative efficiency Overall efficiency Mechanical efficiency Volumetric efficiency Relative efficiency Overall efficiency Mechanical efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Crankcase explosion in I.C. engines usually occurs as Never occurs Both mild and big explosions occurs simultaneously First a mild explosion followed by a bi explosion First a big explosion followed by a mil explosion Never occurs Both mild and big explosions occurs simultaneously First a mild explosion followed by a bi explosion First a big explosion followed by a mil explosion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is false statement? Some of the methods used to reduce diesel smoke are as follows Avoidance of overloading Increasing the compression ratio Using additives in the fuel Adherence to proper fuel specification Avoidance of overloading Increasing the compression ratio Using additives in the fuel Adherence to proper fuel specification ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Number of working strokes per min. for a two stroke cycle engine is ____ the speed of the engine in r.p.m. Four-times Equal to One-half Twice Four-times Equal to One-half Twice ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The octane number of petrol, generally available, is 60 to 80 20 to 40 40 to 60 80 to 100 60 to 80 20 to 40 40 to 60 80 to 100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed 80°C 180°C 240°C 120°C 80°C 180°C 240°C 120°C ANSWER DOWNLOAD EXAMIANS APP
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