Internal Combustion Engines Pick up the wrong statement about supercharging 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 Supercharging at high altitudes is essential Supercharging reduces knocking in diesel engines ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of diesel engines is about 0.5 0.3 0.7 0.15 0.5 0.3 0.7 0.15 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 0.02 0.08 0.04 0.14 0.02 0.08 0.04 0.14 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 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 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 Fuel injection starts at 10° before top dead center and ends at 20° after top dead center May start and end anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel as compared to petrol is More difficult to ignite None of these Less difficult to ignite Highly ignitable More difficult to ignite None of these Less difficult to ignite Highly ignitable ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have Low density Low temperature All of these Long ignition delay Low density Low temperature All of these Long ignition delay ANSWER DOWNLOAD EXAMIANS APP
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