Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. Increase Decrease Not effected None of these Increase Decrease Not effected None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine depends on Speed of engine Compression ratio Fuel used None of these Speed of engine Compression ratio Fuel used None of these 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 Increasing the pressure of intake air Decreasing the density of intake air Increasing the temperature of intake air Decreasing the pressure of intake air Increasing the pressure of intake air Decreasing the density of intake air Increasing the temperature of intake air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m. Equal to Twice Four-times One-half Equal to Twice Four-times One-half ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The combustion in compression ignition engines is Both (A) and (B) Homogeneous Heterogeneous None of these Both (A) and (B) Homogeneous Heterogeneous None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to Inject fuel in a chamber of high pressure at the end of compression stroke Ensure that penetration is not high Inject fuel at a high velocity to facilitate atomization All of these Inject fuel in a chamber of high pressure at the end of compression stroke Ensure that penetration is not high Inject fuel at a high velocity to facilitate atomization All of these ANSWER DOWNLOAD EXAMIANS APP