Steam and Gas Turbines Questions and Answers – The Combustor

This set of Steam and Gas Turbines MCQs focuses on “The Combustor”.

1. Combustor is also called as _________
a) combustion
b) ramjet
c) inlet manifold
d) none of the mentioned
View Answer

Answer: a
Explanation: Combustor is also called as a ramjet. Inlet manifold is the inlet pipe provided for adding materials.

2. Combustor can also be called as __________
a) burner
b) ramjet
c) inlet manifold
d) none of the mentioned
View Answer

Answer: b
Explanation: Combustor can be called as ramjet or burner.

3. Pressure inside the combustor is ________
a) Constant
b) Increases
c) Decreases
d) None of the mentioned
View Answer

Answer: a
Explanation: Pressure inside the combustor is constant.
advertisement
advertisement

4. In _________ air is directly fed to the nozzle.
a) burner & ramjet
b) burner
c) ramjet
d) none of the mentioned
View Answer

Answer: c
Explanation: In ramjet air is directly fed to the nozzle. Ramjet or burner both mean the same.

5. Flow rates are ________ in combustor.
a) high
b) low
c) medium
d) none of the mentioned
View Answer

Answer: a
Explanation: Flow rates are high in the combustors. As pressure is high flow rate is also high in the combustor.
Note: Join free Sanfoundry classes at Telegram or Youtube

6. When 1 kg of jet fuel is produced _______ amount of co2 is released.
a) 3kg
b) 3.2kg
c) 3.4kg
d) 3.8kg
View Answer

Answer: b
Explanation: When 1 kg of jet fuel is burned 3.2 kgs of co2 is released.

7. Fuel that was not completely burnt is called as _______
a) Ramjets
b) UHC
c) Emissions
d) None of the mentioned
View Answer

Answer: b
Explanation: Incompletely combusted fuels are called as UHC.
advertisement

8. UHC’s are produced at _________ power levels.
a) high
b) medium
c) low
d) none of the mentioned
View Answer

Answer: c
Explanation: UHC’s are generally produced at low power levels.

9. Combustors which doesn’t produce more CO doesn’t emit much UHC.
a) True
b) False
View Answer

Answer: a
Explanation: Combustors that have highly optimized UHC are the combustors which produce low CO emissions.
advertisement

10. CO produced in combustion is eliminated by __________
a) reduction
b) oxidation
c) reduction & oxidation
d) none of the mentioned
View Answer

Answer: b
Explanation: CO produced in combustion is eliminated by oxidation.

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]

advertisement
advertisement
Subscribe to our Newsletters (Subject-wise). Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Join our social networks below and stay updated with latest contests, videos, internships and jobs!

Youtube | Telegram | LinkedIn | Instagram | Facebook | Twitter | Pinterest
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.

Subscribe to his free Masterclasses at Youtube & discussions at Telegram SanfoundryClasses.