Turbine Control

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  1. 1. The action of steam in a steam turbine is?
  2. 3. When the cross-section of a nozzle increases continuously from entrance to exit, it is called as?
  3. 6. one of the basic job of feed water treatment in boilers is to overcome the problem of
  4. 7. a device used to increase the temperature of saturated steam without raising its pressure, is called?
  5. 8. The rate of discharge through the nozzle __________ when the exit pressure is gradually reduced.
  6. 9. Which coal has the highest calorific value?
  7. 10. A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.
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  1. 2. the expansion of steam, as it flows over the blades in reaction turbine, represents what process?
  2. 4. An _________ increases the steam raising capacity of a boiler
  3. 5. A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as?