Internal Combustion Engines The thermal efficiency of petrol and gas 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 The correct mixture strength (by weight) for petrol is about 22.6 : 1 20.4 : 1 18.5 : 1 14.6 : 1 22.6 : 1 20.4 : 1 18.5 : 1 14.6 : 1 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 at a high velocity to facilitate atomization Ensure that penetration is not high Inject fuel in a chamber of high pressure at the end of compression stroke All of these Inject fuel at a high velocity to facilitate atomization Ensure that penetration is not high Inject fuel in a chamber of high pressure at the end of compression stroke All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If petrol is used in a diesel engine, then Black smoke will be produced Efficiency will be low Higher knocking will occur Low power will be produced Black smoke will be produced Efficiency will be low Higher knocking will occur Low power will be produced ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed, 4-stroke cycle diesel engine 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 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 10° before top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel as compared to petrol is More difficult to ignite Less difficult to ignite None of these Highly ignitable More difficult to ignite Less difficult to ignite None of these Highly ignitable ANSWER DOWNLOAD EXAMIANS APP
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