Internal Combustion Engines The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is Less More or less depending on power rating Same More Less More or less depending on power rating Same More ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Engine pistons are usually made of aluminium alloy because it Absorbs shocks Is stronger Wear is less Is lighter Absorbs shocks Is stronger Wear is less Is lighter ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuels in order of decreasing knock tendency for spark ignition engines are Paraffin, napthene, aromatic Napthene, aromatics, paraffin Napthene, paraffin, aromatic Paraffin, aromatic, napthene Paraffin, napthene, aromatic Napthene, aromatics, paraffin Napthene, paraffin, aromatic Paraffin, aromatic, napthene ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which one of the following engines will have heavier flywheel than the remaining ones? 30 kW four-stroke petrol engine running at 1500 r.p.m. 30 kW two-stroke diesel engine running at 750 r.p.m. 30 kW four-stroke diesel engine running at 750 r.p.m. 30 kW two-stroke petrol engine running at 1500 r.p.m. 30 kW four-stroke petrol engine running at 1500 r.p.m. 30 kW two-stroke diesel engine running at 750 r.p.m. 30 kW four-stroke diesel engine running at 750 r.p.m. 30 kW two-stroke petrol engine running at 1500 r.p.m. 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 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 P = [(W - S) πDN]/60 watts All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Most high speed compression engines operate on Otto cycle Special type of air cycle Dual combustion cycle Diesel cycle Otto cycle Special type of air cycle Dual combustion cycle Diesel cycle ANSWER DOWNLOAD EXAMIANS APP