Recent questions tagged ppe

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In a normal shock in a gas

asked Jan 16, 2018 in PPE by chandu (215k points)

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For a jet propulsion unit, ideally the ratio of compressor work and turbine work is

asked Jan 16, 2018 in PPE by chandu (215k points)

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asked Jan 16, 2018 in PPE by chandu (215k points)

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Match List I (Flow properties) with List II (Mode of changes)

asked Jan 16, 2018 in PPE by chandu (215k points)

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Acoustic velocity in an elastic gaseous medium is proportional to

asked Jan 16, 2018 in PPE by chandu (215k points)

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The fluid property that remains unchanged across a normal shock wave is

asked Jan 16, 2018 in PPE by chandu (215k points)

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The propulsive efficiency is

asked Jan 16, 2018 in PPE by chandu (215k points)

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The efficiency of jet engine is

asked Jan 16, 2018 in PPE by chandu (215k points)

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The propulsive efficiency of a turbojet aircraft approaches 100% when the thrust approaches

asked Jan 16, 2018 in PPE by chandu (215k points)

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The use of turbo- prop engine is limited to

asked Jan 16, 2018 in PPE by chandu (215k points)

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Mach angle $\alpha$ and mach number M are related as:

asked Jan 16, 2018 in PPE by chandu (215k points)

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Propulsion efficiency of propeller drive aircraft is

asked Jan 16, 2018 in PPE by chandu (215k points)

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A bypass jet engine gives a better propulsive efficiency and better fuel economy

asked Jan 16, 2018 in PPE by chandu (215k points)

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Which of the following pairs of engine and performance/ characteristic is/.are correctly matched?

asked Jan 16, 2018 in PPE by chandu (215k points)

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The propulsive efficiency is

asked Jan 16, 2018 in PPE by chandu (215k points)

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The mach number is less than 1 at a point where the entropy is

asked Jan 16, 2018 in PPE by chandu (215k points)

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The mach number of the flow corresponding to the maximum entropy will be

asked Jan 16, 2018 in PPE by chandu (215k points)

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A typical value of this critical Mach number is of the order of

asked Jan 16, 2018 in PPE by chandu (215k points)

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Propulsion efficiency of a jet engine is given by

asked Jan 16, 2018 in PPE by chandu (215k points)

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As compare to turbo- prop, a turbo- jet

asked Jan 16, 2018 in PPE by chandu (215k points)

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