Internal Combustion Engines In a four stroke cycle petrol engine, the charge is ignited at 30° after bottom dead center 30° before bottom dead center 30° after top dead center 30° before top dead center 30° after bottom dead center 30° before bottom dead center 30° after top dead center 30° before top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The normal heptane (C₇Hâ‚₆) is given a rating of ________ octane number. 50 100 120 50 100 120 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The size of inlet valve of an engine in comparison to exhaust valve is Less Same More/less depending on capacity of engine More Less Same More/less depending on capacity of engine More ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of diesel engines is about 0.3 0.7 0.15 0.5 0.3 0.7 0.15 0.5 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to Instantaneous and rapid burning of the first part of the charge Delayed burning of the first part of the charge Reduction of delay period Instantaneous auto ignition of last part of charge Instantaneous and rapid burning of the first part of the charge Delayed burning of the first part of the charge Reduction of delay period Instantaneous auto ignition of last part of charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Supercharging is the process of Supplying compressed air to remove combustion products fully Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere Injecting excess fuel for raising more loads Providing forced cooling air Supplying compressed air to remove combustion products fully Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere Injecting excess fuel for raising more loads Providing forced cooling air ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS