Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.7 0.3 0.5 0.15 0.7 0.3 0.5 0.15 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A spark plug gap is kept from 0.4 to 0.9 mm 0.3 to 0.7 mm 0.6 to 1.0 mm 0.2 to 0.8 mm 0.4 to 0.9 mm 0.3 to 0.7 mm 0.6 to 1.0 mm 0.2 to 0.8 mm ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The volumetric efficiency of a well designed engine may be 30 to 40% 40 to 60% 75 to 90% 60 to 70% 30 to 40% 40 to 60% 75 to 90% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A mixture containing 65% of iso-octane and 35% of normal heptane will have Octane number 65 Cetane number 65 Octane number 35 Cetane number 35 Octane number 65 Cetane number 65 Octane number 35 Cetane number 35 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The minimum cranking speed in case of petrol engine is about Half the operating speed 60 - 80 rpm 250 - 300 rpm One fourth of operating speed Half the operating speed 60 - 80 rpm 250 - 300 rpm One fourth of operating speed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel fuel, compared to petrol is More difficult to ignite Just about the same difficult to ignite Less difficult to ignite Highly ignitable More difficult to ignite Just about the same difficult to ignite Less difficult to ignite Highly ignitable ANSWER DOWNLOAD EXAMIANS APP