An economiser is generally placed between

A. Last superheater or reheater and air preheater

B. Induced draft fan and forced draft fan

C. Air preheater and chimney

D. None of the above

Related Questions

  1. The density of supersaturated steam is about __________ that of the ordinary saturated vapour at the…
  2. The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle)
  3. Clearance ratio is the ratio of
  4. In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively.…
  5. The velocity of steam at throat of the nozzle is __________ the velocity of sound.
  6. The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having…
  7. Calorific value of coal is of the order of
  8. The best suited coal for chain or travelling grate stoker boiler is
  9. The maximum discharge through a chimney occurs when the height of chimney is
  10. The working pressure range for a LaMont boiler is
  11. Benson boiler requires
  12. The draught produced by a steam jet issuing from a nozzle placed in the chimney is called
  13. The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure.
  14. Presence of moisture in fuel oil would
  15. The state of vapour under saturation condition is described by
  16. During storage, the heating value of coal
  17. The maximum heat loss is a boiler occurs due to
  18. A stage, in reaction turbine, is represented by
  19. The latent heat of steam with increase of pressure
  20. Steam in water tube boiler as compared to fire tube boiler
  21. Cochran boiler is a
  22. In water wall furnace, the heat is transferred to the water walls by
  23. In designing air preheaters, the important design consideration is that
  24. The basic job of feed water treatment in boilers is to overcome the problem of
  25. Over fire burning is the phenomenon of
  26. Parson's turbine is a
  27. The efficiency of steam turbines may be improved by
  28. The rate of discharge through the nozzle __________ when the exit pressure is gradually reduced.
  29. A safety valve mainly used with locomotive and marine boilers is
  30. Gusset stays in a boiler are provided to

Please do not use chat terms. Example: avoid using "grt" instead of "great".