Internal Combustion Engines The normal heptane (C₇Hâ‚₆) is given a rating of ________ octane number. 50 100 120 50 100 120 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The tangential velocity of the water element having a free vortex is Inversely proportional to its (distance)2 from the centre Inversely proportional to its distance from the centre Directly 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 Inversely proportional to its distance from the centre Directly proportional to its distance from the centre Directly proportional to its (distance)2 from the centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a cycle, the spark lasts roughly for 1 sec 0.01 sec 0.1 sec 0.001 sec 1 sec 0.01 sec 0.1 sec 0.001 sec ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines All heat engines utilize Net calorific value of oil High heat value of oil Calorific value of fuel Low heat value of oil Net calorific value of oil High heat value of oil Calorific value of fuel Low heat value of oil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the intake air temperature of I.C. engine increases, its efficiency will Increase Decrease Remain same None of these Increase Decrease Remain same None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the inlet valve 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 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 ANSWER DOWNLOAD EXAMIANS APP
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