Internal Combustion Engines The ignition quality of petrol is expressed by Cetane number Calorific value Octane number All of these Cetane number Calorific value Octane number All of these 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) 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 P = [(W - S) πDN]/60 watts ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air-fuel ratio in petrol engines is controlled by Governing Injection Controlling valve opening/closing Carburetion Governing Injection Controlling valve opening/closing Carburetion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The following volume of air is required for consuming 1 liter of fuel by a four stroke engine 5 m3 56 m3 1 m3 910 m3 5 m3 56 m3 1 m3 910 m3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in petrol engines, is approximately 10 bar 20 bar 35 bar 25 bar 10 bar 20 bar 35 bar 25 bar ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine as compared to petrol engine (both running and rated load) is Other factors will decide it Equally efficient More efficient Less efficient Other factors will decide it Equally efficient More efficient Less efficient ANSWER DOWNLOAD EXAMIANS APP