Compressors | Gas Turbines and Jet Engines

Which is false statement about advantages of multistage compressor in comparison to single stage compressor_________________?

Byadmin January 23, 2019August 15, 2021

Which is false statement about advantages of multistage compressor in comparison to single stage compressor_________________?

A. less power requirement
B. better mechanical balance
C. less loss of air due to leakage past the cylinder
D. more effective lubrication
E. lower volumetric efficiency

Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

A large clearance Volume in a reciprocating compressor results in

Question: A large clearance Volume in a reciprocating compressor results in
[A].

reduced volume flow rate
[B].
increased volume flow rate
[C].
lower suction pressure
[D].
lower delivery pressure

Answer: Option A

Explanation:

No answer description available for this question.

Read More A large clearance Volume in a reciprocating compressor results in
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

Workdone by a two-stage reciprocating air compressor per cycle is equal to the workdone in LP. cylinder and H.P. cylinder.

Question: Workdone by a two-stage reciprocating air compressor per cycle is equal to the workdone in LP. cylinder and H.P. cylinder.
[A].

True
[B].
False

Answer: Option A

Explanation:

No answer description available for this question.

Read More Workdone by a two-stage reciprocating air compressor per cycle is equal to the workdone in LP. cylinder and H.P. cylinder.
Compressors | Gas Turbines and Jet Engines

The ratio of isentropic work to euler’s work is known as _____________________?

The ratio of isentropic work to euler’s work is known as _____________________?

A. compressor efficiency
B. isentropic efficiency
C. Euler’s efficiency
D. pressure coefficient
E. pressure ratio

Read More The ratio of isentropic work to euler’s work is known as _____________________?
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

Intercooling in gas turbines

Question: Intercooling in gas turbines
[A].

decreases net output but increases thermal efficiency
[B].
increases net output but decreases thermal efficiency
[C].
decreases net output and thermal efficiency both
[D].
increases net output and thermal efficiency both

Answer: Option B

Explanation:

No answer description available for this question.

Read More Intercooling in gas turbines
Compressors | Gas Turbines and Jet Engines | Mechanical Engineering Mcqs

The compressor capacity with decrease in suction temperature_________________?

The compressor capacity with decrease in suction temperature_________________?

A. increases
B. decreases
C. remains unaffected
D. may increase or decrease depending on compressor capacity
E. increases upto certain limit and then decreases

Read More The compressor capacity with decrease in suction temperature_________________?
Compressors | Gas Turbines and Jet Engines

Pick up the wrong statement about advantages of multistage compression____________________?

Pick up the wrong statement about advantages of multistage compression____________________?

A. better lubrication is possible advantages of multistage
B. more loss of air due to leakage past the cylinder
C. mechanical balance is better
D. air can be cooled perfectly in between
E. more uniform torque, light cylinder and saving in work

Read More Pick up the wrong statement about advantages of multistage compression____________________?

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