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The water tubes in a Babcock and Wilcox boiler are

A. Horizontal

B. Vertical

C. Inclined

D. Horizontal and inclined

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  1. The compounding of turbines is done in order to
  2. A wet vapour can be completely specified by
  3. Water and sediment in fuel oil can be removed by
  4. The amount of water evaporated in kg per kg of fuel burnt is called
  5. The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency,…
  6. The shell diameter of a Locomotive boiler is
  7. The diameter of flue tube in a Cornish boiler is _________ that of the shell.
  8. An economiser _________ the steam raising capacity of a boiler.
  9. With increase in load, convection superheater has
  10. An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades.
  11. The ratio of heat equivalent to brake power to the energy supplied in steam is known as
  12. Which is not correct statement about effect of sulphur in fuel?
  13. The mechanical draught _________ with the amount of smoke.
  14. In recuperative air preheaters, the heat is transferred
  15. In which of the following boilers, the draught in furnace is increased by utilising exhaust steam from…
  16. The shell diameter and length of locomotive boiler are
  17. The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by
  18. In reaction turbines, the axial thrust is due to
  19. Fire tube boilers are limited to a maximum working pressure of
  20. The draught may be produced by a
  21. By compounding the expansion of steam in two or more cylinders, the ratio of expansion
  22. The steam temperature with increase in load in case of a boiler fitted with radiation superheater
  23. The high steam and low water safety valve is not used in
  24. Desecration of feed water is carried out because it reduces
  25. Expansion ratio is the ratio of
  26. In regenerative air preheaters, the heat is transferred
  27. In a Tandem type compound engine, the high pressure and low pressure cylinders
  28. A binary vapour plant consists of
  29. The steam leaves the nozzle at a
  30. The rate of steam produced in Benson boiler is