Internal Combustion Engines The purpose of testing an internal combustion engine is 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 To determine the information, which cannot be obtained by calculations All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a petrol engine is _________ as compared to diesel engine. More Same None of these Less More Same None of these Less ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of cetane number 40 has the same ignition quality as a mixture of 40% diesel and 60% petrol 40% alpha methyl naphthalene and 60% cetane 40% petrol and 60% diesel 40% cetane and 60% alpha methyl naphthalene 40% diesel and 60% petrol 40% alpha methyl naphthalene and 60% cetane 40% petrol and 60% diesel 40% cetane and 60% alpha methyl naphthalene ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the inlet valve Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open or close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open or close anywhere Opens at top dead center and closes at bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines An hmh flame speed is obtained in diesel engine when air fuel ratio is About 10% of rich mixture Uniform throughout the mixture About 35% of rich mixture Chemically correct mixture About 10% of rich mixture Uniform throughout the mixture About 35% of rich mixture Chemically correct mixture ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel fuel, compared to petrol is Just about the same difficult to ignite Highly ignitable More difficult to ignite Less difficult to ignite Just about the same difficult to ignite Highly ignitable More difficult to ignite Less difficult to ignite ANSWER DOWNLOAD EXAMIANS APP