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Questions by chandu
0
votes
0
answers
In an axial flow compressor, stalling is the phenomenon of
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2011
ppe
air-compressors
0
votes
0
answers
The work done on air to compress it from suction pressure to delivery pressure will be minimum when the compression is
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2011
ppe
air-compressors
0
votes
0
answers
Which of the following statements is not correct for the volumetric efficiency of a reciprocating air compressor?
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2011
ppe
air-compressors
0
votes
0
answers
The performance parameter ‘Polytropic efficiency’ is used for
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2010
ppe
air-compressors
0
votes
0
answers
For centrifugal compressors
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2005
ppe
air-compressors
0
votes
0
answers
In a centrifugal compressor, how can the pressure ratio be increased?
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2006
ppe
air-compressors
0
votes
0
answers
In an axial flow impulse turbine, energy transfer takes, place due to
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2006
ppe
air-compressors
0
votes
0
answers
For a large aviation gas turbine, an axial flow compressor is usually preferred over centrifugal compressor
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2006
ppe
air-compressors
0
votes
0
answers
Which of the following statements are correct for multistaging in a reciprocating air compressor?
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2006
ppe
air-compressors
0
votes
0
answers
Assuming the absolute velocity at inlet to be axial, what is the work done per kg of flow?
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2005
ppe
air-compressors
0
votes
0
answers
Compressors, the polytropic efficiency is always greater than the
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2005
ppe
air-compressors
0
votes
0
answers
A vane type rotary compressor is
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2005
ppe
air-compressors
0
votes
0
answers
What is the preferred intercooler pressure for a two stage air compressor working
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2006
ppe
air-compressors
0
votes
0
answers
Which one of the following statements is correct?
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2009
ppe
air-compressors
0
votes
0
answers
What is the ratio of the static enthalpy rise in the rotor to the static enthalpy rise
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2008
ppe
air-compressors
0
votes
0
answers
What is the ideal intermediate pressure at the end of first stage for a 3-stage air compressor?
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2008
ppe
air-compressors
0
votes
0
answers
A centrifugal compressor is suitable for which of the following?
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2008
ppe
air-compressors
0
votes
0
answers
Which one of the following types of impeller vanes are most commonly used in centrifugal type compressors?
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2008
ppe
air-compressors
0
votes
0
answers
In a multi-stage axial flow compressor with equal temperature rise in all stages
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2007
ppe
air-compressors
0
votes
0
answers
Stalling phenomena in an axial flow compressor stage is caused due to which one of the following?
asked
Jan 15, 2018
in
PPE
ies-objectives-1
2007
ppe
air-compressors
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