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Questions and Answers
Which of the following agents improve the thermal efficiency of an open cycle gas turbine?
Compared to a steam power plant, a gas turbine power plant with the same capacity is
Which of the following does not improve thermal efficiency of an open cycle gas turbine?
Which of the following methods can be used in combination to improve thermal efficiency of gas turbines?
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Which is NOT a feature of a gas turbine power plant?
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One advantage of a gas turbine power plant over a steam power plant is
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What effect does intercooling have on gas turbines?
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Which process in a gas turbine power plant reduces compressor work?
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Which one of the following statements about gas turbine power plants is true?
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Which method is not employed to improve the thermal efficiency of an open cycle gas turbine?
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Study Notes
Condensing Turbines
- Vacuum is obtained by a sudden drop in pressure and removal of non-condensable gases.
Cross Compound Steam Turbines
- Cross-compound steam turbines were once used in marine ships before the introduction of two-stroke diesel engines.
Steam Reaching Turbine Blades
- When steam reaches turbine blades, the type of force responsible for moving turbine blades is axial force.
Centrifugal Compressors
- Centrifugal compressors are used for higher pressure ratios and lower flow rates.
- In gas transmission applications, centrifugal compressors with 3700 kW have a speed of around 14000 RPM.
Steam Turbine Quiz
Non-Condensing Steam Turbines
- Non-condensing steam turbines are also called back-pressure steam turbines.
Condensing Turbines
- Condensing turbines are used for central power generation.
Classification of Steam Turbines
- Steam turbines are classified based on the type of blades, exhausting condition, and type of steam flow.
Size Comparison
- Gas turbine power plants are smaller in size compared to steam power plants.
Thermal Efficiency Improvement
- The thermal efficiency of open cycle gas turbines can be improved using intercooling.
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Description
Test your knowledge of steam turbines, including condensing turbines and cross-compound steam turbines. Learn about the principles and applications of these systems.
