EXAMIANS
In petrol engines, the delay period is of the order of
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The ignition quality of petrol is expressed by
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The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is
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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)
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If Vâ‚ is the jet velocity and Vâ‚€ is the vehicle velocity, then propulsive efficiency of a turbojet engine is
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The pressure at the end of compression, in diesel engines, is approximately
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The loud pulsating noise heard within the cylinder of an internal combustion engine is known as
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In order to mix air and petrol in the required proportion and to supply it to the engine during suction stroke, then ___ is employed.
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For the same compression ratio
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In loop scavenging, the top of the piston is
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