Recent questions in PPE

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Which one of the following statements is correct for reciprocating air compressor?

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Consider the following statements in respect of axial flow air compressors:

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Which of the following techniques are employed for control of reciprocating compressors?

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Match List - I (Name of Equipment) with List – II (Pressure Ratio)

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Which of the following can be the cause/causes of an air-cooled compressor getting overheated during operation?

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The power required to drive a turbo-compressor for a given pressure ratio decreases when

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What does application of centrifugal air compressors lead to?

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Volumetric efficiency of a reciprocating air compressor increases with

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Stalling of blades in axial- flow compressor is the phenomenon of

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The turbo machine is

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In an axial flow compressor

asked Jan 15, 2018 in PPE by chandu (215k points)

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Volumetric efficiency of the compressor is

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Roots blower is an example of

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The intermediate pressure pi in terms of condenser and evaporator pressure pc and pe respectively is

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In reciprocating compressors, one should aim at compressing the air

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Which one of the following is the correct expression for the degree of reaction for an axial-flow air compressor?

asked Jan 15, 2018 in PPE by chandu (215k points)

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Consider the following statements with reference to supercharging of IC. engines

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What is the value of the ideal intercooler pressure?

asked Jan 15, 2018 in PPE by chandu (215k points)

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Which one of the following expresses the isentropic efficiency

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While flowing through the rotor blades in an axial flow air compressor, the relative velocity of air:

asked Jan 15, 2018 in PPE by chandu (215k points)

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