Recent questions in IES Objectives-1

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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

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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?

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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?

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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:

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What is the work done by the gas in the balloon during the filling process?

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In centrifugal compressor terminology, vane less space refers to the space between

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The factors which affect the volumetric efficiency of a single- stage reciprocating air compressor

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For minimum work of compression, the delivery pressure of first – stage is

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A reciprocating air compressor at sea level would deliver a greater mass of air than a

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The inlet Mach number of the flow will be

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In a multi- stage compressor

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