In forced circulation steam boilers, the force is applied

A. To draw water

B. To circulate water

C. To drain off the water

D. All of these

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  1. Blow off cock in a boiler is used to
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  3. The length of Cornish boiler is of the order of
  4. The diameter of fire tubes in Cochran boiler is of the order of
  5. Which of the following varieties of coals is mostly used in steam boilers?
  6. The function of a crosshead is to guide motion of the _________ and to prevent it from bending.
  7. In a receiver type compound engine, the high pressure and low pressure cylinders
  8. Heating of dry steam above saturation temperature is known as
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  10. De-Laval turbine is a
  11. Coke is produced by
  12. Carbonisation of coal is the process of
  13. Green coal, in order to be burnt, must be
  14. The artificial draught is produced by
  15. Spontaneous combustion is a phenomenon in which
  16. The three Ts for good combustion are
  17. The actual vacuum in a condenser is equal to
  18. The pressure compounded impulse turbine as compared to velocity compounded turbine require __________…
  19. The overall efficiency of thermal power plant is
  20. The capacity of induced draft fan compared to forced draft fan in a boiler is
  21. Which of the following are boiler accessories?
  22. The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric…
  23. An economiser is installed in a boiler primarily to
  24. In an impulse reaction turbine, the pressure drops gradually and continuously over
  25. The ratio of the workdone on the blades per kg of steam to the total energy supplied per stage per kg…
  26. Alkaline pyrogallate is used in Orsat's apparatus for absorption of
  27. The process of maintaining the speed of the turbine constant for various load conditions, is known as
  28. In a velocity compounded impulse turbine, when steam flows through the second row of moving blades,
  29. By compounding the expansion of steam in two or more cylinders, the ratio of expansion
  30. A binary vapour plant consists of