Internal Combustion Engines The thermal efficiency of a petrol engine is _________ as compared to diesel engine. None of these Same Less More None of these Same Less More ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A carburettor is used to supply Petrol and lubricating oil Petrol and air Air and diesel Petrol, air and lubricating oil Petrol and lubricating oil Petrol and air Air and diesel Petrol, air and lubricating oil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air-fuel ratio in petrol engines is controlled by Controlling valve opening/closing Governing Injection Carburetion Controlling valve opening/closing Governing Injection Carburetion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed, 4-stroke cycle diesel engine Fuel injection starts at just before top dead center and ends just after top dead center Fuel injection starts at 10° before top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at top dead center and ends at 20° after top dead center Fuel injection starts at just before top dead center and ends just after top dead center Fuel injection starts at 10° before top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at top dead center and ends at 20° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per BH hour for a petrol engine is approximately 0.15 kg 0.2 kg 0.3 kg 0.25 kg 0.15 kg 0.2 kg 0.3 kg 0.25 kg 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 = (Wl × 2πN)/60 watts P = [(W - S) π (D + d) N]/60 watts All of these P = [(W - S) πDN]/60 watts P = (Wl × 2πN)/60 watts P = [(W - S) π (D + d) N]/60 watts All of these ANSWER DOWNLOAD EXAMIANS APP