Internal Combustion Engines The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will Increase Be independent May increase or decrease depending on other factors Decrease Increase Be independent May increase or decrease depending on other factors Decrease 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 264 cm3 286 cm3 248 cm3 252 cm3 264 cm3 286 cm3 248 cm3 252 cm3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Number of working strokes per min. for a two stroke cycle engine is ____ the speed of the engine in r.p.m. Four-times One-half Twice Equal to Four-times One-half Twice Equal to ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A two stroke cycle engine gives ________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed. Double Half Same Four times Double Half Same Four times ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed, 4-stroke cycle diesel engine Fuel injection starts at 10° before top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at 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 10° before top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The calorific value of gaseous fuels is expressed in terms of kcal/kg kcal/m3 kcal kcal/m² kcal/kg kcal/m3 kcal kcal/m² ANSWER DOWNLOAD EXAMIANS APP
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