Internal Combustion Engines The object of supercharging the engine is To reduce space occupied by the engine To increase the power output of an engine when greater power is required All of these To reduce mass of the engine per brake power To reduce space occupied by the engine To increase the power output of an engine when greater power is required All of these To reduce mass of the engine per brake power ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to Instantaneous and rapid burning of the first part of the charge Reduction of delay period Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge Instantaneous and rapid burning of the first part of the charge Reduction of delay period Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines By higher octane number of spark ignition fuel, it is meant that the fuel has Higher heating value Longer ignition delay Lower volatility Higher flash point Higher heating value Longer ignition delay Lower volatility Higher flash point ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, the delay period is of the order of 0.004 second 0.002 second 0.003 second 0.001 second 0.004 second 0.002 second 0.003 second 0.001 second ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The object of providing masked inlet valve in the air passage of compression ignition engines is to Enhance flow rate Control air flow Induce secondary turbulence Induce primary swirl Enhance flow rate Control air flow Induce secondary turbulence Induce primary swirl ANSWER DOWNLOAD EXAMIANS APP
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 [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) V₀/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) V₀/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] ANSWER DOWNLOAD EXAMIANS APP