Internal Combustion Engines If V₁ is the jet velocity and V₀ is the vehicle velocity, then the propulsive efficiency of a rocket is given by V₁/(V₀ + V₁) [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per BH hour for a petrol engine is approximately 0.2 kg 0.25 kg 0.15 kg 0.3 kg 0.2 kg 0.25 kg 0.15 kg 0.3 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the Beginning of exhaust stroke End of exhaust stroke End of suction stroke Beginning of suction stroke Beginning of exhaust stroke End of exhaust stroke End of suction stroke Beginning of suction stroke ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as Metacentre Centre of buoyancy Centre of gravity Centre of pressure Metacentre Centre of buoyancy Centre of gravity Centre of pressure ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The size of inlet valve of an engine in comparison to exhaust valve is More/less depending on capacity of engine More Same Less More/less depending on capacity of engine More Same Less ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The delay period in compression ignition engines depends upon Relative velocity between the fuel injection and air turbulence pressure of residual gases All of these Temperature and pressure in the cylinder at the time of injection Nature of the fuel mixture strength Relative velocity between the fuel injection and air turbulence pressure of residual gases All of these Temperature and pressure in the cylinder at the time of injection Nature of the fuel mixture strength ANSWER DOWNLOAD EXAMIANS APP