Internal Combustion Engines Crankcase explosion in I.C. engines usually occurs as Never occurs Both mild and big explosions occurs simultaneously First a big explosion followed by a mil explosion First a mild explosion followed by a bi explosion Never occurs Both mild and big explosions occurs simultaneously First a big explosion followed by a mil explosion First a mild explosion followed by a bi explosion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The brake power of a diesel engine, keeping other parameters constant, can be increased by Decreasing the pressure of intake air Decreasing the density of intake air Increasing the temperature of intake air Increasing the pressure of intake air Decreasing the pressure of intake air Decreasing the density of intake air Increasing the temperature of intake air Increasing the pressure of intake air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, advancing of the spark timing will ___ the knocking tendency. Increase Decrease None of the listed here Not effect Increase Decrease None of the listed here Not effect ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The basic requirement of a good combustion chamber is Minimum turbulence Low volumetric efficiency High thermal efficiency and power output Low compression ratio Minimum turbulence Low volumetric efficiency High thermal efficiency and power output Low compression ratio 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 252 cm3 264 cm3 248 cm3 286 cm3 252 cm3 264 cm3 248 cm3 286 cm3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed, 4-stroke cycle diesel engine 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 May start and end anywhere Fuel injection starts at 10° before top dead center and ends at 20° after top dead center ANSWER DOWNLOAD EXAMIANS APP