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Mechanical Engineering · all questions

Compressors, Gas Turbines And Jet Engines
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In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the

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The efficiency of the vane blower is (where W1 = Work done due to compression and W2 = Work done due to back flow)

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A compressor at high altitudes will require ________ power.

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In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into

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In jet engines the products of combustion after passing through the gas turbine are discharged into

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Pick up the false statement

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The closed cycle in gas turbines

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Efficiency of gas turbine is increased by

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The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is

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Air-fuel ratio in a jet engine will be of the order of

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The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called

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Pick up the wrong statement

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Pick up the wrong statement

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Pick up the wrong statement

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The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation

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Rotary compressors are used for delivering

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The air entry velocity m a rocket as compared to aircraft is

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The compressor efficiency is the

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In jet engines, paraffin is usually used as the fuel because of its

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In air compressors, free air delivery means the

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