Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Overall efficiency Indicated thermal efficiency Mechanical efficiency Volumetric efficiency Overall efficiency Indicated thermal efficiency Mechanical efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is 264 cm3 252 cm3 286 cm3 248 cm3 264 cm3 252 cm3 286 cm3 248 cm3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking tendency in compression ignition engines for a given fuel will be None of these Dependent on other factors Enhanced by decreasing compression ratio Enhanced by increasing compression ratio None of these Dependent on other factors Enhanced by decreasing compression ratio Enhanced by increasing compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel as compared to petrol is Less difficult to ignite More difficult to ignite Highly ignitable None of these Less difficult to ignite More difficult to ignite Highly ignitable None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The object of supercharging the engine is All of these To reduce space occupied by the engine To reduce mass of the engine per brake power To increase the power output of an engine when greater power is required All of these To reduce space occupied by the engine To reduce mass of the engine per brake power To increase the power output of an engine when greater power is required ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The object of providing masked inlet valve in the air passage of compression ignition engines is to Induce secondary turbulence Induce primary swirl Control air flow Enhance flow rate Induce secondary turbulence Induce primary swirl Control air flow Enhance flow rate ANSWER DOWNLOAD EXAMIANS APP
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