Internal Combustion Engines In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have All of these Low temperature Low density Long ignition delay All of these Low temperature Low density Long ignition delay ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air-fuel ratio in petrol engines is controlled by Injection Controlling valve opening/closing Governing Carburetion Injection Controlling valve opening/closing Governing Carburetion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel valve in a four stroke cycle diesel engine Opens at 15° before top dead center and closes at 20° after top dead center Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 15° after top dead center and closes at 20° before bottom dead center Opens at 15° before top dead center and closes at 20° after top dead center Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 15° after top dead center and closes at 20° before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of cooling water temperature in petrol engine will _________ the knocking tendency. Decrease Not effect Increase None of these Decrease Not effect Increase None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Thermal efficiency of a two stroke cycle engine is ___ a four stroke cycle engine. Less than None of the listed here Greater than Equal to Less than None of the listed here Greater than Equal to ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the percentage increase in efficiency will be 0.04 0.14 0.08 0.02 0.04 0.14 0.08 0.02 ANSWER DOWNLOAD EXAMIANS APP