Internal Combustion Engines For the same power developed in I.C. engines, the cheaper system is Centrifugal pump Supercharged Naturally aspirated Turbo charger Centrifugal pump Supercharged Naturally aspirated Turbo charger ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Between 95 and 100% Between 50 and 85% Below 50% Between 85 and 95% Between 95 and 100% Between 50 and 85% Below 50% Between 85 and 95% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane number of diesel oil, generally available, is 30 to 40 25 to 30 40 to 55 20 to 25 30 to 40 25 to 30 40 to 55 20 to 25 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - (1/rγ - 1) 1 - rγ - 1 None of these 1 + rγ - 1 1 - (1/rγ - 1) 1 - rγ - 1 None of these 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The actual volume of fresh charge admitted in 4-stroke petrol engine is Equal to stroke volume Less than stroke volume More than stroke volume Equal to stroke volume and clearance volume Equal to stroke volume Less than stroke volume More than stroke volume Equal to stroke volume and clearance volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression ratio of I.C. Engines is Volume displaced by piston per stroke and clearance volume in cylinder Swept volume/cylinder volume Ratio of pressure after compression and before compression The ratio of volumes of air in cylinder before compression stroke and after compression stroke Volume displaced by piston per stroke and clearance volume in cylinder Swept volume/cylinder volume Ratio of pressure after compression and before compression The ratio of volumes of air in cylinder before compression stroke and after compression stroke ANSWER DOWNLOAD EXAMIANS APP
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