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 Indicated thermal efficiency Volumetric efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The normal heptane (C₇Hâ‚₆) is given a rating of ________ octane number. 120 50 100 120 50 100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per BHP hour for diesel engine is approximately 0.25 kg 0.15 kg 0.3 kg 0.2 kg 0.25 kg 0.15 kg 0.3 kg 0.2 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called Mechanical efficiency Volumetric efficiency Relative efficiency Overall efficiency Mechanical efficiency Volumetric efficiency Relative efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Alpha-methyl-naphthalene (C11H10) has a cetane number of 50 100 0 120 50 100 0 120 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 All of these P = [(W - S) π (D + d) N]/60 watts P = (Wl × 2πN)/60 watts P = [(W - S) πDN]/60 watts All of these P = [(W - S) π (D + d) N]/60 watts P = (Wl × 2πN)/60 watts ANSWER DOWNLOAD EXAMIANS APP
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