1000+ Turbomachines Objective Questions and Answers Pdf - 1
Question: 1
In air compressor performance curve, a surge line represents
(A) lower critical speed of shaft
(B) limit of stable operation
(C) limit of compressor efficiency
(D) limit of compressor discharge
Ans: B
limit of stable operation
Question: 2
A nozzle used to
(A) decrease velocity and increase pressure
(B) decrease velocity as well as pressure
(C) increase velocity as well as pressure
(D) increase velocity and decrease pressure
Ans: D
increase velocity and decrease pressure
Question: 3
Which of the following rotary compressor has two shafts?
(A) lobe type compressor
(B) sliding vane compressor
(C) centrifugal compressor
(D) axial flow compressor
Ans: A
lobe type compressor
Question: 4
Which type of rotary compressor is used in oil fired furnaces?
(A) axial flow compressor
(B) centrifugal blower
(C) screw compressor
(D) sliding vane type lower
Ans: B
centrifugal blower
Question: 5
Which component of a gas turbine consumes maximum power?
(A) combustion chamber
(B) compressor
(C) regenerator
(D) starter
Ans: B
compressor
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