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. One-half Twice Four-times Equal to One-half Twice Four-times Equal to ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided Cannot work as it is impossible Best quality fuel is used Flywheel size is proper It is properly designed Cannot work as it is impossible Best quality fuel is used Flywheel size is proper It is properly designed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pick up the wrong statement about supercharging Supercharging at high altitudes is essential Supercharging reduces knocking in diesel engines There can be limited supercharging in petrol engines because of detonation Supercharging results in fuel economy Supercharging at high altitudes is essential Supercharging reduces knocking in diesel engines There can be limited supercharging in petrol engines because of detonation Supercharging results in fuel economy ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of efficiency of a compression ignition engine, as the load decreases, is due to Higher maximum temperature Hit and miss governing Qualitative governing Quantitative governing Higher maximum temperature Hit and miss governing Qualitative governing Quantitative governing 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 All of these Ensure that penetration is not high Inject fuel at a high velocity to facilitate atomization Inject fuel in a chamber of high pressure at the end of compression stroke All of these Ensure that penetration is not high Inject fuel at a high velocity to facilitate atomization Inject fuel in a chamber of high pressure at the end of compression stroke ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the brake power to the indicated power is called Volumetric efficiency Mechanical efficiency Overall efficiency Indicated thermal efficiency Volumetric efficiency Mechanical efficiency Overall efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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