Internal Combustion Engines The object of supercharging the engine is All of these To increase the power output of an engine when greater power is required To reduce space occupied by the engine To reduce mass of the engine per brake power All of these To increase the power output of an engine when greater power is required To reduce space occupied by the engine To reduce mass of the engine per brake power ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided Cannot work as it is impossible It is properly designed Flywheel size is proper Best quality fuel is used Cannot work as it is impossible It is properly designed Flywheel size is proper Best quality fuel is used ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to Reduction of delay period Instantaneous auto ignition of last part of charge Delayed burning of the first part of the charge Instantaneous and rapid burning of the first part of the charge Reduction of delay period Instantaneous auto ignition of last part of charge Delayed burning of the first part of the charge Instantaneous and rapid burning of the first part of the charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If V₁ is the jet velocity and V₀ is the vehicle velocity, then propulsive efficiency of a turbojet engine is 2V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) 2V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) 2V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) 2V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of cetane number 40 has the same ignition quality as a mixture of 40% alpha methyl naphthalene and 60% cetane 40% cetane and 60% alpha methyl naphthalene 40% petrol and 60% diesel 40% diesel and 60% petrol 40% alpha methyl naphthalene and 60% cetane 40% cetane and 60% alpha methyl naphthalene 40% petrol and 60% diesel 40% diesel and 60% petrol ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is false statement? Some of the methods used to reduce diesel smoke are as follows Adherence to proper fuel specification Avoidance of overloading Increasing the compression ratio Using additives in the fuel Adherence to proper fuel specification Avoidance of overloading Increasing the compression ratio Using additives in the fuel ANSWER DOWNLOAD EXAMIANS APP
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