This set of Steam and Gas Turbines Multiple Choice Questions & Answers (MCQs) focuses on “Fundamentals of Thermodynamics”.
1. Steam turbines work on __________
a) Otto cycle
b) Dual cycle
c) Rankine cycle
d) None of the mentioned
View Answer
Explanation: Otto cycle petrol is used as fuel, Rankine cycle is the process followed in steam turbines.
2. Gas turbines work on ___________
a) Rankine cycle
b) Diesel cycle
c) Brayton cycle
d) None of the mentioned
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Explanation: Rankine cycle is used in steam turbines. Brayton cycle is followed in gas turbines.
3. Generally, water is used as working fluid in rankine cycle.
a) True
b) False
View Answer
Explanation: Rankine cycle is followed in steam turbines. In steam turbines generally, water is used as working fluids.
4. Ideal Brayton cycle consists of ________
a) Isoentropic process and Isobaric process
b) Adiabatic process and Isobaric process
c) Adiabatic process
d) None of the mentioned
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Explanation: Ideal brayton cycle works on isoentropic process and isobaric process.
5. Actual Brayton cycle works on _________
a) Isoentropic process and Isobaric process
b) Adiabatic process and Isobaric process
c) Isoentropic process
d) None of the mentioned
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Explanation: Actual brayton cycle works on Adiabatic process and Isobaric process slight deviations from actual brayton cycle.
6. Brayton cycle is also known as __________
a) Joule cycle
b) Regenerative cycle
c) Carnot cycle
d) None of the mentioned.
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Explanation: Regenerative cycle is a closed loop usage of working fluid in rankine cycle. Brayton cycle is also called a joule cycle.
7. Brayton cycle is also called an Ericsson cycle.
a) True
b) False
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Explanation: Brayton cycle is also called an ericsson cycle.
8. Brayton cycles are further divided into ______ types.
a) 2
b) 3
c) 4
d) None of the mentioned
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Explanation: Brayton cycle is further divided into two types. They are open cycle and closed cycle.
9. Internal combustion chamber is used in _______ Brayton cycle.
a) open
b) closed
c) depends
d) none
View Answer
Explanation: Internal combustion chambers are present in open cycles to heat the working fluid.
10. Heat exchanger is used in a closed Brayton cycle.
a) True
b) False
View Answer
Explanation: Heat exchangers are used in closed cycles to raise the temperature of working fluid.
Sanfoundry Global Education & Learning Series – Steam and Gas Turbines.
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