Compressors | Gas Turbines and Jet Engines

Surging is the phenomenon of___________________?

Byadmin January 23, 2019August 15, 2021

Surging is the phenomenon of___________________?

A. air stream blocking the passage
B. motion of air at sonic velocity
C. unsteady, periodic and reversed flow
D. air stream not able to follow the blade contour
E. production of no air pressure

Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

For perfect intercooling in a three stage compressor,

Question: For perfect intercooling in a three stage compressor,
[A].

[B].

[C].
p1p2 = p3p4
[D].
p1p3 = p2p4

Answer: Option A

Explanation:

No answer description available for this question.

Read More For perfect intercooling in a three stage compressor,
Compressors | Gas Turbines and Jet Engines

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

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

A. work done in first stage should be more
B. work done in subsequent stages should increase
C. work done in subsequent stages should decrease
D. work done in all stages should be equal
E. work done in any stage is no criterion for minimum work but depends on other factors

Read More For minimum work in multistage compression, assuming same index of compression in all stages_________________?
Compressors | Gas Turbines and Jet Engines

A closed gas turbine in which fuel is burnt directly in the air is not possible because of__________________?

A closed gas turbine in which fuel is burnt directly in the air is not possible because of__________________?

A. high pressure ratio
B. increasing gas temperature
C. high specific volume
D. high friction losses
E. paucity of 02

Read More A closed gas turbine in which fuel is burnt directly in the air is not possible because of__________________?
Compressors | Gas Turbines and Jet Engines | Mechanical Engineering Mcqs

Aeroplanes employ following type of compressor_______________?

Aeroplanes employ following type of compressor_______________?

A. radial flow
B. axial flow
C. centrifugal
D. combination of above
E. none of the above

Read More Aeroplanes employ following type of compressor_______________?
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

An open cycle gas turbine works on the same cycle as that of a closed cycle gas turbine.

Question: An open cycle gas turbine works on the same cycle as that of a closed cycle gas turbine.
[A].

Yes
[B].
No

Answer: Option A

Explanation:

No answer description available for this question.

Read More An open cycle gas turbine works on the same cycle as that of a closed cycle gas turbine.
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

In a jet engine, the air-fuel ratio is

Question: In a jet engine, the air-fuel ratio is
[A].

30:1
[B].
40:1
[C].
50:1
[D].
60:1

Answer: Option D

Explanation:

No answer description available for this question.

Read More In a jet engine, the air-fuel ratio is

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