Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. Decrease None of these Increase Not effected Decrease None of these Increase Not effected ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The injection pressure in a diesel engine is about 500 bar 10 bar 100 bar 150 bar 500 bar 10 bar 100 bar 150 bar ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, l = Length of arm in meters, N = Speed of engine in r.p.m., S = Spring balance reading in newtons, D = Dia. of brake drum in meters, and d = Dia. of rope in meters) P = [(W - S) πDN]/60 watts P = [(W - S) π (D + d) N]/60 watts All of these P = (Wl × 2πN)/60 watts P = [(W - S) πDN]/60 watts P = [(W - S) π (D + d) N]/60 watts All of these P = (Wl × 2πN)/60 watts ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The _________ engines can work on very lean mixture of fuel. Spark ignition Compression ignition Both (A) and (B) None of these Spark ignition Compression ignition Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The object of supercharging the engine is 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of diesel engines on weak mixtures is Higher Lower Dependent on other factors Unaffected Higher Lower Dependent on other factors Unaffected ANSWER DOWNLOAD EXAMIANS APP
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