Gas Turbines Question and Answers – Combined Effect of Intercooling, Reheating and Regeneration

This set of Steam and Gas Turbines Multiple Choice Questions & Answers (MCQs) focuses on “Combined effect of intercooling, reheating and regeneration”.

1. Regenerator is also called as ___________
a) Intercooler
b) Reheater
c) Recuperator
d) None of the mentioned
View Answer

2. When recuperator is used thermal efficiency is ______
a) decreased
b) increased
c) doesn’t change
d) none of the mentioned
View Answer

3. Inlet temperature of regenerator is __________
a) same as of the inlet exhausted gases
b) more than the inlet exhausted gases
c) less than the inlet exhaust gases
d) none of the mentioned
View Answer

4. Effectiveness can be defined as _________
a) decrease in exhausted gases
b) inverse of the efficiency
c) ratio of heat rate to the mass entering
d) ratio of Actual heat transferred to the maximum heat transferred
View Answer

5. Generally effectiveness of regenerators are ___________
a) 0.95
b) 0.66
c) 0.77
d) 0.85
View Answer

6. Compression can be taken place by _____________
a) isoentropic compression
b) isothermal compresion
c) two stage compression process
d) all of the mentioned
View Answer

7. Isoentropic compression requires maximum work.
a) True
b) False
View Answer

8. Isothermal compression requires minimum work.
a) True
b) False
View Answer

9. By two stage compression work output from turbine is _______
a) decreased
b) increased
c) remains constant
d) none
View Answer

10. When equal pressure ratio are maintained at two stages the work output _______
a) increases
b) decreases
c) optimum
d) none of the mentioned
View Answer

Sanfoundry Global Education & Learning Series – Steam and Gas Turbines.

To practice all areas of Steam and Gas Turbines, here is complete set of 1000+ Multiple Choice Questions and Answers.