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Power Plant Engineering Practice Test: Combined Cycle Power Generation
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Combined Cycle Power Generation topics include: Binary vapour cycles, coupled cycles and gas turbine steam power plant. A combined cycle power plant (CCPP) uses both a gas turbine and a steam turbine to generate electricity. CCPPs can produce up to 50% more electricity from the same fuel than a traditional simple-cycle plant.  CCPPs are becoming more popular in the electric utilities market and can offer up to 60% efficiency.  The components of a CCPP include: Gas turbines (GT) Steam turbines (ST) Heat recovery steam generators (HRSG)  The exhaust heat from the gas turbine is used to... Show more
Power Plant Engineering Practice Test: Combined Cycle Power Generation
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25 Questions

1. What is the air standard cycle for a Gas-Turbine called?
2. Temperature of heat rejection in a condenser can be lowered by using?
3. In the mercury steam cycle, the steam cycle is called?
4. What is the relation of the mean temperature of heat addition and cycle efficiency?
5. What part or % of power developed is utilised for driving the compressor?
6. What is the relation between efficiencies of Rankine cycle and Carnot cycle for the same pressure ratio?
7. The gas turbine power plant mainly uses which among the following fuels?
8. What efficiencies of thermionic power generator have been realised?
9. Which of these is a binary cycle?
10. Rankine cycle comprises of ___________
11. The use of which of the following becomes necessary during expansion of steam?
12. What is the percentage of total energy input appearing as network output of the cycle?
13. In Rankine cycle the work output from the turbine is given by ___________
14. Which among these is the main component of a gas turbine plant?
15. What is the maximum content of moisture allowed at the turbine exhaust in the steam power plant?
16. The thermionic generator is essentially which kind of device?
17. What are the major field(s) of application of gas turbine?
18. A Gas Turbine is which type of combustion plant?
19. When two vapour cycles are coupled in series and heat rejected by one is absorbed by another, the cycle is called as?
20. Which of the following is a type of Gas Turbine Plant?
21. By superposing a high temperature power plant as a topping unit to the steam plant, the energy conversion efficiency achieved is?
22. High moisture content is involved during expansion of steam because ___________
23. The ratio of heat actually released by 1kg of fuel to heat that would be released by complete perfect combustion is called ___________
24. In an electron beam, the average kinetic energy of an electron is given by __________
25. In case of mercury-steam-sulphur dioxide cycle, which is the bottoming fluid?

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