Internal Combustion Engines Engine pistons are usually made of aluminium alloy because it Wear is less Is stronger Is lighter Absorbs shocks Wear is less Is stronger Is lighter Absorbs shocks ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The voltage required to produce a spark across the gap, between the sparking points is 6000 to 10,000 volts 10,000 to 12,000 volts 4000 to 6000 volts 2000 to 4000 volts 6000 to 10,000 volts 10,000 to 12,000 volts 4000 to 6000 volts 2000 to 4000 volts ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to mix air and petrol in the required proportion and to supply it to the engine during suction stroke, then ___ is employed. Carburettor None of the listed here Fuel pump Injector Carburettor None of the listed here Fuel pump Injector ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, the mixture has the lowest pressure at the End of suction stroke End of compression stroke Beginning of suction stroke None of these End of suction stroke End of compression stroke Beginning of suction stroke None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Below 50% Between 85 and 95% Between 95 and 100% Between 50 and 85% Below 50% Between 85 and 95% Between 95 and 100% Between 50 and 85% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking tendency in spark ignition engines may be decreased by Controlling the ignition timing Controlling the exhaust temperature Controlling the air-fuel mixture Reducing the compression ratio Controlling the ignition timing Controlling the exhaust temperature Controlling the air-fuel mixture Reducing the compression ratio ANSWER DOWNLOAD EXAMIANS APP