Internal Combustion Engines The theoretically correct mixture of air and petrol is 20 : 1 25 : 1 10 : 1 15 : 1 20 : 1 25 : 1 10 : 1 15 : 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a Spark plug Fuel injector None of these Fuel pump Spark plug Fuel injector None of these Fuel pump ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pick up the wrong statement about supercharging Supercharging reduces knocking in diesel engines Supercharging results in fuel economy There can be limited supercharging in petrol engines because of detonation Supercharging at high altitudes is essential Supercharging reduces knocking in diesel engines Supercharging results in fuel economy There can be limited supercharging in petrol engines because of detonation Supercharging at high altitudes is essential ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% petrol and 25% diesel 75% diesel and 25% petrol 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane 75% petrol and 25% diesel 75% diesel and 25% petrol 75% iso-octane and 25% normal heptane 75% normal heptane and 25% iso-octane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve May open and close anywhere Opens at bottom dead centre and closes at top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre May open and close anywhere Opens at bottom dead centre and closes at top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle engine, the sequence of operations is Expansion, compression, suction and exhaust Compression, expansion, suction and exhaust Suction, expansion, compression and exhaust Suction, compression, expansion and exhaust Expansion, compression, suction and exhaust Compression, expansion, suction and exhaust Suction, expansion, compression and exhaust Suction, compression, expansion and exhaust ANSWER DOWNLOAD EXAMIANS APP
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