Question 1 : Which of these is a measure of energy quality?
1. Entropy
2. Enthalpy
3. Exergy
4. none of the mentioned
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Question 2 : Combustion in a Combined cycle plant has______ environmental impact?
1. serious
2. little/no
3. toxic
4. none of the mentioned
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Question 3 : Cogeneration of heat & electricity is possible in a Combined cycle plants.
1. True
2. False
3.
4.
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Question 4 : Combined cycle plants have _____________ operation flexibility.
1. high
2. low
3.
4.
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Question 5 : What is that temperature called to which the exhaust gases of a gas turbine are cooled to?
1. Oxygen Dewpoint
2. Carbon dioxide Dewpoint
3. Nitrogen Dewpoint
4. Sulphuric Acid Dewpoint
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Question 6 : What % are the investment cost in Conventional steam power plant more than those in the combined cycle plants?
1. 10
2. 20
3. 30
4. 40
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Question 7 : What is regeneration?
1. Removal of heat from compressed air between stages of compression
2. Transfer of heat energy from exhaust gases to the compressed air flowing between compressor and the combustion chamber
3. To increase the temperature of partially expanded gases by burning more fuel
4. Both (b) & (c)
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Question 8 : What is the effect of Supplementary Firing on exhaust gas temperature?
1. exhaust gas temperature increases
2. exhaust gas temperature decreases
3. exhaust gas temperature remains steady
4. none of the mentioned
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Question 9 : The values of dry solid fuel ratio are highest in?
1. Coke
2. Coal
3. Wood
4. Natural Gas
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Question 10 : To improve the efficiency of the gas turbines, which among these are used?
1. Regenerator
2. Inter cooling
3. Reheating
4. All of the mentioned
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