Internal Combustion Engines The knocking tendency in spark ignition engines may be decreased by Reducing the compression ratio 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The basic requirement of a good combustion chamber is Low compression ratio Minimum turbulence Low volumetric efficiency High thermal efficiency and power output Low compression ratio Minimum turbulence Low volumetric efficiency High thermal efficiency and power output ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following medium is compressed in a Diesel engine cylinder? Air and fuel Air and lub oil Air alone Fuel alone Air and fuel Air and lub oil Air alone Fuel alone ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be 0.5 0.7 1 0.25 0.5 0.7 1 0.25 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the Exhaust will be smoky Engine starts overheating Scavenging occurs Piston rings would stick into piston grooves Exhaust will be smoky Engine starts overheating Scavenging occurs Piston rings would stick into piston grooves ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The object of supercharging the engine is To reduce space occupied by the engine All of these To increase the power output of an engine when greater power is required To reduce mass of the engine per brake power To reduce space occupied by the engine All of these To increase the power output of an engine when greater power is required To reduce mass of the engine per brake power ANSWER DOWNLOAD EXAMIANS APP
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