Internal Combustion Engines The octane number of petrol, generally available, is 80 to 100 40 to 60 60 to 80 20 to 40 80 to 100 40 to 60 60 to 80 20 to 40 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to Instantaneous auto ignition of last part of charge Delayed burning of the first part of the charge Instantaneous and rapid burning of the first part of the charge Reduction of delay period Instantaneous auto ignition of last part of charge Delayed burning of the first part of the charge Instantaneous and rapid burning of the first part of the charge Reduction of delay period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines It the temperature of intake air in IC engines is lowered, then its efficiency will Remain same Increase up to certain limit and then decrease Increase Decrease Remain same Increase up to certain limit and then decrease Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed, 4-stroke cycle diesel engine May start and end anywhere Fuel injection starts at 10° before top dead center and ends at 20° after top dead center Fuel injection starts at just before top dead center and ends just after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at 10° before top dead center and ends at 20° after top dead center Fuel injection starts at just before top dead center and ends just after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The tangential velocity of the water element having a free vortex is Inversely proportional to its distance from the centre Directly proportional to its (distance)2 from the centre Inversely proportional to its (distance)2 from the centre Directly proportional to its distance from the centre Inversely proportional to its distance from the centre Directly proportional to its (distance)2 from the centre Inversely proportional to its (distance)2 from the centre Directly proportional to its distance from the centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Polymerization is a chemical process in which molecules of a compound become Larger Smaller Slowed down Liquid Larger Smaller Slowed down Liquid ANSWER DOWNLOAD EXAMIANS APP