The factor of evaporation for all boilers is always

A. Equal to unity

B. Less than unity

C. Greater than unity

D. None of these

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  1. Which of the following statement is correct?
  2. In a nozzle, whole frictional loss is assumed to occur between
  3. Cut-off governing of steam engines is a method of controlling the engine output by varying
  4. In order to compare the capacity of boilers, the feed water temperature and working pressure are taken…
  5. The overall efficiency of thermal power plant is
  6. The steam temperature with increase in load in case of a boiler fitted with radiation superheater
  7. The number of water level indicators in a boiler are generally _________ in number.
  8. The maximum discharge through a chimney occurs when the height of chimney is
  9. Curtis turbine is a
  10. Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler?
  11. The factor of evaporation for all boilers is always
  12. The fittings mounted on the boiler for its proper and safe functioning is a
  13. Fire tube boilers are those in which
  14. Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equal to
  15. The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where…
  16. In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of
  17. Lancashire boiler is
  18. The state of vapour under saturation condition is described by
  19. For burning 1 kg of carbon to CO as per chemically correct combustion, amount of air required is
  20. It is required to produce large amount of steam at low pressure. Which boiler should be used?
  21. The radius of a dished head is taken approximately as
  22. The expansion of steam, as it flows over the blades in reaction turbine, represents
  23. The average value of diagram factor lies between
  24. In a throttling process
  25. Which of the following is a water tube boiler?
  26. The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known…
  27. While steam expands in turbines, theoretically the entropy
  28. The major axis of elliptical manholes on the shell should be provided
  29. The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having…
  30. The pressure of steam __________ while flowing through a nozzle.