Mechanical Engineering · all questions

Compressors, Gas Turbines And Jet Engines
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Q161

For an irreversible gas turbine cycle, the efficiency and work ratio both depend on

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Q162

For minimum work in multistage compression, assuming same index of compression in all stages

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Q163

In a single acting reciprocating air compressor, without clearance, the compression of air may be

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Q164

The propulsive power of the rocket is (where v₁ = Jet velocity and v₂ = Aircraft velocity)

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Q165

Euler's equation is applicable for

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Q166

The compressor capacity is defined as the

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Q167

In a single stage, single acting reciprocating air compressor without clearance volume, the work-done is maximum during

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Q168

In a single stage, single acting reciprocating air compressor, without clearance volume, the work-done is minimum during

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Q169

In a centrifugal compressor, the flow of air is ________ to the axis of compressor.

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Q170

The most efficient method of compressing air is to compress it

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Q171

In a high pressure compressor, the delivery pressure is

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Q172

The capacity of compressor will be highest when its intake temperature is

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Q173

It is not possible to use closed gas turbine cycle in aeronautical engines because

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Q174

For slow speed large capacity compressor, following type of valve will be best suited

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Q175

In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor.

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Q176

An ideal air compressor cycle without clearance on P-V diagram can be represented by following processes

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Q177

An ideal air compressor cycle with clearance on P-V diagram can be represented by following processes

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Q178

A compressor at high altitude will draw

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Q179

In which case the air-fuel ratio is likely to be maximum?

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Q180

With the decrease in compression ratio, the volumetric efficiency

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