Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Fuel consumption of diesel engines is not guaranteed at one quarter load because at such low loads The small difference in cooling water temperature or in internal friction has a disproportionate effect The engine is rarely operated The friction is high The friction is unpredictable The small difference in cooling water temperature or in internal friction has a disproportionate effect The engine is rarely operated The friction is high The friction is unpredictable ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A 5 BHP engine running at full load would consume diesel of the order of 1 kg/hr 3 kg/hr 5 kg/hr 0.3 kg/hr 1 kg/hr 3 kg/hr 5 kg/hr 0.3 kg/hr ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The loud pulsating noise heard within the cylinder of an internal combustion engine is known as Supercharging Turbulence Pre-ignition Detonation Supercharging Turbulence Pre-ignition Detonation ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The delay period in compression ignition engines depends upon Temperature and pressure in the cylinder at the time of injection All of these Relative velocity between the fuel injection and air turbulence pressure of residual gases Nature of the fuel mixture strength Temperature and pressure in the cylinder at the time of injection All of these Relative velocity between the fuel injection and air turbulence pressure of residual gases Nature of the fuel mixture strength ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air-fuel ratio in petrol engines is controlled by Carburetion Controlling valve opening/closing Injection Governing Carburetion Controlling valve opening/closing Injection Governing ANSWER DOWNLOAD EXAMIANS APP