Internal Combustion Engines The volumetric efficiency of a well designed engine may be 60 to 70% 40 to 60% 75 to 90% 30 to 40% 60 to 70% 40 to 60% 75 to 90% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to Overheated spark plug points Any one of the listed here Red hot carbon deposits on cylinder walls Cylinder walls being too hot Overheated spark plug points Any one of the listed here Red hot carbon deposits on cylinder walls Cylinder walls being too hot ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve 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 Opens at bottom dead centre and closes at top dead centre May open and close anywhere 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 Opens at bottom dead centre and closes at top dead centre May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The octane number of petrol, generally available, is 80 to 100 20 to 40 60 to 80 40 to 60 80 to 100 20 to 40 60 to 80 40 to 60 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A 5 BHP engine running at full load would consume diesel of the order of 0.3 kg/hr 1 kg/hr 3 kg/hr 5 kg/hr 0.3 kg/hr 1 kg/hr 3 kg/hr 5 kg/hr ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression ratio of I.C. Engines is The ratio of volumes of air in cylinder before compression stroke and after compression stroke Swept volume/cylinder volume Ratio of pressure after compression and before compression Volume displaced by piston per stroke and clearance volume in cylinder The ratio of volumes of air in cylinder before compression stroke and after compression stroke Swept volume/cylinder volume Ratio of pressure after compression and before compression Volume displaced by piston per stroke and clearance volume in cylinder ANSWER DOWNLOAD EXAMIANS APP
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