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The selection of type and size of a steam boiler depends upon

A. The power required and working pressure

B. The geographical position of the power house

C. The fuel and water available

D. All of the above

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  1. The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is
  2. Stoichiometric quantity of air is the
  3. The ratio of the temperature rise of cooling water to the vacuum temperature minus inlet cooling water…
  4. O₂ content in atmospheric air on weight basis is
  5. The safety valve on boiler drum compared to safety valve on superheater is set at
  6. The efficiency of an impulse turbine is maximum when (where Vb = Blade speed, V = Absolute velocity…
  7. The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle…
  8. A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls…
  9. An economiser is generally placed between
  10. Which of the following statement is wrong?
  11. The coal requirement per kW hour generation in the thermal power plant is of the order of
  12. The flow through a nozzle is regarded as
  13. Which of the following are boiler accessories?
  14. Hard coke is used in
  15. On Millier chart, the constant pressure lines
  16. Latent heat of dry steam at atmospheric pressure is equal to
  17. Over fire burning is the phenomenon of
  18. While steam expands in turbines, theoretically the entropy
  19. The high steam and low water safety valve is used to blow off steam when the
  20. The feed check valve is used in order to
  21. Water tube boilers are
  22. In regenerative air preheaters, the heat is transferred
  23. The function of a piston in a steam engine is
  24. The chimney draught varies with
  25. The diagram factor is the ratio of the
  26. A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes…
  27. Rateau turbine is
  28. Green coal, in order to be burnt, must be
  29. The overall efficiency of thermal power plant is
  30. In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the…