Steam and Gas Turbines Questions and Answers – Mechanics of Combustion

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

1. In combustion the _______________ is released from breaking the chemical bonds.
a) chemical energy
b) heat energy
c) kinetic energy
d) none of the mentioned
View Answer

Answer: a
Explanation: When required heat energy is supplied chemical bonds break and release energy.

2. In combustion mechanism chain branching is represented by ______
a) g
b) f
c) a
d) t
View Answer

Answer: b
Explanation: In combustion mechanism chain branching is represented by f.

3. In combustion mechanism chain termination is represented by ________
a) t
b) b
c) g
d) f
View Answer

Answer: c
Explanation: In combustion mechanism chain termination is represented by g.
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4. If g is _______ than f then termination exceeds branching.
a) greater
b) lesser
c) equal
d) none of the mentioned
View Answer

Answer:a
Explanation: If g is greater than f then termination exceeds branching.

5. If f is ___________ than g then branching exceeds termination.
a) equal
b) lesser
c) greater
d) none of the mentioned
View Answer

Answer: c
Explanation: If f is greater than g then branching exceeds termination.
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6. Low oxygen pressures assures g _________ f.
a) lesser than
b) greater
c) equal to
d) none of the mentioned
View Answer

Answer: b
Explanation: Low oxygen pressures assure g greater than f.

7. High oxygen pressure assure g ________ f.
a) lesser than
b) greater than
c) equal to
d) none of the mentioned
View Answer

Answer: a
Explanation: High oxygen pressure assure g less than f.
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8. Rate of combustion depends upon radial concentration.
a) True
b) False
View Answer

Answer: a
Explanation: Rate of combustion depends upon radial concentration.

9. Hydrogen oxygen reaction depends upon ________
a) pressure concentration
b) temperature gradient
c) temperature
d) none of the mentioned
View Answer

Answer: a
Explanation: Hydrogen oxygen reaction depends on pressure.
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10. Hydrocarbon combustion is of __________
a) two
b) one
c) three
d) none of the mentioned
View Answer

Answer: a
Explanation: Hydrocarbon combustion is of two types. They are hydro carbon breaking and oxidizing.

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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