STEAM TURBINES
Short Answer Questions
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STEAM TURBINES |
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State
the “law of conservation of energy” in steam turbines. |
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How the steam turbines
are classified? |
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Give the working principle of
an impulse turbine. |
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How does reaction turbine work? |
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What is the fundamental
difference between the operation of impulse and reaction steam turbines? |
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What is the need for
compounding in steam turbines? |
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What are the methods of
compounding in steam turbines? |
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Define
the term “degree of reaction”. |
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Define
the term “nozzle efficiency”. |
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Define
the term “blading
efficiency”. |
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Define
the term “stage efficiency” and how it’s related to nozzle and blade
efficiencies? |
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Draw the combined velocity
triangle diagram of “De Laval” impulse turbine. |
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Draw the combined velocity
triangle diagram of “Parson’s” reaction turbine. |
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State the function of fixed and moving blades. |
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What are
the various losses
in steam turbines? |
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Define
the term “blade
velocity coefficient”. |
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Define
the term “blade
speed ratio”. |
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State the necessity of
governing of steam turbine. |
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What are the various methods
of governing systems in steam turbines? |
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Where the
nozzle governing and by - pass governing is more suitable? |
Composed By:
R.Satheesh, M.E., Asso.Prof.,
E-Mail: rsatheeshemail@gmail.com
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