Mechanical Engineering - Compressors, Gas Dynamics and Gas Turbines

Exercise :: Compressors, Gas Dynamics and Gas Turbines - Section 1

31. 

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. Let us discuss.

32. 

A closed cycle gas turbine gives __________ efficiency as compared to an open cycle gas turbine.

A. same
B. lower
C. higher

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

33. 

Gas turbine as compared to steam turbine

A. requires less space for installation
B. has compressor and combustion chamber
C. has less efficiency
D. all of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

34. 

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. Let us discuss.

35. 

When the temperature of air leaving the intercooler, in a two stage compression with intercooler, is __________ the original atmospheric air temperature, then the intercooling is known as perfect or complete intercooling.

A. equal to
B. less than
C. more than

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.