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 The term scavenging is generally associated with 4-stroke cycle engines 2-stroke cycle engines Aeroplane engines High efficiency engines 4-stroke cycle engines 2-stroke cycle engines Aeroplane engines High efficiency engines ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged? To some extent No Yes Unpredictable To some extent No Yes Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per BH hour for a petrol engine is approximately 0.2 kg 0.3 kg 0.15 kg 0.25 kg 0.2 kg 0.3 kg 0.15 kg 0.25 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reason for supercharging in any engine is to Increase power Increase efficiency Effect fuel economy Reduce weight and bulk for a given output Increase power Increase efficiency Effect fuel economy Reduce weight and bulk for a given output ANSWER DOWNLOAD EXAMIANS APP
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 satisfy the customer regarding the performance of the engine To conform the data used in design, the validity of which may be doubtful To determine the information, which cannot be obtained by calculations All of these To satisfy the customer regarding the performance of the engine To conform the data used in design, the validity of which may be doubtful ANSWER DOWNLOAD EXAMIANS APP