Internal Combustion Engines Air fuel ratio at which a petrol engine cannot work is 0.33402777777778 0.41736111111111 20 : 1 and less 0.62569444444444 0.33402777777778 0.41736111111111 20 : 1 and less 0.62569444444444 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A 75 cc engine has following parameter as 75 cc Lube oil capacity Fuel tank capacity Cylinder volume Swept volume Lube oil capacity Fuel tank capacity Cylinder volume Swept volume 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 = (Wl × 2πN)/60 watts All of these P = [(W - S) π (D + d) N]/60 watts P = [(W - S) πDN]/60 watts P = (Wl × 2πN)/60 watts All of these P = [(W - S) π (D + d) N]/60 watts P = [(W - S) πDN]/60 watts ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in petrol engines, is approximately 20 bar 25 bar 35 bar 10 bar 20 bar 25 bar 35 bar 10 bar ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Overall efficiency Mechanical efficiency Volumetric efficiency Indicated thermal efficiency Overall efficiency Mechanical efficiency Volumetric efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pick up the wrong statement about supercharging Supercharging results in fuel economy Supercharging at high altitudes is essential There can be limited supercharging in petrol engines because of detonation Supercharging reduces knocking in diesel engines Supercharging results in fuel economy Supercharging at high altitudes is essential There can be limited supercharging in petrol engines because of detonation Supercharging reduces knocking in diesel engines ANSWER DOWNLOAD EXAMIANS APP
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