Steam and Gas Turbines Questions and Answers – The Regenerator

This set of Steam and Gas Turbines Multiple Choice Questions & Answers (MCQs) focuses on “The Regenerator”.

1. In regenerator energy is stored in ___________
a) gas medium
b) fluid medium
c) thermal medium
d) none of the mentioned
View Answer

Answer: b
Explanation: In regenerator energy is stored in the thermal medium.

2. Both hot and cold fluid used in regenerators is __________
a) same fluid
b) different fluid
c) depending on the situation
d) none of the mentioned
View Answer

Answer:a
Explanation: Both hot and cold fluid used in regenerators is the same fluid.

3. Heat regenerators are ___________
a) dependent
b) repetitive
c) costant
d) none of the mentioned
View Answer

Answer: c
Explanation: Heat regenerators are repetitive.
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4. Rotatary regenerators are _________ flow path.
a) parallel
b) counter flow path
c) repetitive
d) none of the mentioned
View Answer

Answer: b
Explanation: Rotatry regenerators have counter flow path.

5. In a fixed matrix regenerator flow is __________
a) reversible
b) irreversible
c) repetitive
d) none of the mentioned
View Answer

Answer: a
Explanation: In a fixed matrix regenerator flow is reversible. In fixed matrix regenerator flow can be in both directions depending on the requirement.
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6. In a fixed flow regenerator flow is __________
a) repetitive
b) counter
c) parallel
d) none of the mentioned
View Answer

Answer: c
Explanation: In a fixed flow regenerator flow is counter current.

7. Fixed matrix regenerator is a part of ________ system.
a) valveless
b) valve
c) depending on the requirement
d) none of the mentioned
View Answer

Answer: a
Explanation: Fixed matrix regenerators is a part of valveless system. In fixed matrix flow is reversible.
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8. Rothemuhle regenerator has same design of _________ regenerator.
a) fixed matrix
b) varying matrix
c) varying & fixed matrix
d) none of the mentioned
View Answer

Answer: a
Explanation: Rothemuhle regenerator has same design of fixed matrix regenerator.

9. Regenerators used in cryogenics are ________
a) small
b) large
c) medium
d) none of the mentioned
View Answer

Answer: b
Explanation: Regenerators used in cryogenics are large. Cryogenic engines require large structures.
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10. Regenerators have lower surface area than recuperator.
a) True
b) False
View Answer

Answer: b
Explanation: Regenerators have higher surface area than recuperators.

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.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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