Internal Combustion Engines The purpose of testing an internal combustion engine is To determine the information, which cannot be obtained by calculations All of these To conform the data used in design, the validity of which may be doubtful To satisfy the customer regarding the performance of the engine To determine the information, which cannot be obtained by calculations All of these To conform the data used in design, the validity of which may be doubtful To satisfy the customer regarding the performance of the engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The basic requirement of a good combustion chamber is High thermal efficiency and power output Low compression ratio Minimum turbulence Low volumetric efficiency High thermal efficiency and power output Low compression ratio Minimum turbulence Low volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In case of gas turbines, the gaseous fuel consumption guarantees are based on Calorific value Low heat value High heat value Net calorific value Calorific value Low heat value High heat value Net calorific value ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition quality of petrol is expressed by Calorific value All of these Octane number Cetane number Calorific value All of these Octane number Cetane number ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The octane number of petrol, generally available, is 80 to 100 20 to 40 40 to 60 60 to 80 80 to 100 20 to 40 40 to 60 60 to 80 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The minimum cranking speed in case of petrol engine is about 250 - 300 rpm Half the operating speed One fourth of operating speed 60 - 80 rpm 250 - 300 rpm Half the operating speed One fourth of operating speed 60 - 80 rpm ANSWER DOWNLOAD EXAMIANS APP