Internal Combustion Engines In a typical medium speed, 4-stroke cycle diesel engine Fuel injection starts at top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at just before top dead center and ends just after top dead center Fuel injection starts at 10° before top dead center and ends at 20° 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 just before top dead center and ends just after top dead center Fuel injection starts at 10° before top dead center and ends at 20° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = (B.P × I.P)/100 ηm = I.P/B.P ηm = B.P/I.P None of the listed here ηm = (B.P × I.P)/100 ηm = I.P/B.P ηm = B.P/I.P None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at bottom dead center and closes at top dead center May open and close anywhere Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at bottom dead center and closes at top dead center May open and close anywhere Opens at 50° after bottom dead center and closes at 15° before top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A gas engine has a swept volume of 300 cm3 and clearance volume of 25 cm3. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is 286 cm3 252 cm3 264 cm3 248 cm3 286 cm3 252 cm3 264 cm3 248 cm3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The method of determination of indicated power of a multi cylinder spark ignition engine is by the use of Motoring test Prony brake test Morse test Heat balance test Motoring test Prony brake test Morse test Heat balance test ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will Decrease Remain same None of these Increase Decrease Remain same None of these Increase ANSWER DOWNLOAD EXAMIANS APP
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