Practice Analysis Of Steam Turbines (1) - Steam Turbines

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6 sample questions

Question 1.
What is a steam turbine?
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Think about the energy conversion process.
Question 2.
Name the two types of turbines based on steam expansion.
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They describe how steam is processed.
3Question 3.
What type of turbine uses stationary nozzles for steam expansion?
- Impulse Turbine
- Reaction Turbine
- Both
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Consider the definition of impulse.
4Question 4.
True or False: In reaction turbines, pressure drops occur only across moving blades.
- True
- False
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Think about how reaction turbines operate.
Question 5.
A steam turbine operates with an inlet steam velocity of 90 m/s and exhausts steam at 30 m/s. Calculate the work output per stage if m = 5 kg/s and blade speed is 10 m/s.
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Focus on substituting given values properly.
Question 6.
Discuss the efficiency difference between a single-stage impulse turbine and a multi-stage reaction turbine given a fixed input pressure.
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Think about how energy is managed in each format.

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