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It is required to produce large amount of steam at low pressure. Which boiler should be used?

A. Pulverised fuel fired boiler

B. Cochran boiler

C. Lancashire boiler

D. Babcock and Wilcox boiler

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  1. An ideal regenerative cycle is
  2. Besides mean effective pressure, the data required to determine the indicated power of an engine include
  3. The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle)
  4. The critical pressure gives the velocity of steam at the throat
  5. The maximum heat loss is a boiler occurs due to
  6. The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂…
  7. A closed vessel made of steel and used for the generation of steam is called a
  8. The amount of water evaporated in kg per kg of fuel burnt is called
  9. Which of the following statement is wrong?
  10. The process of maintaining the speed of the turbine constant for various load conditions, is known as
  11. The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by
  12. The maximum efficiency of a reaction turbine is
  13. The ratio of the volume at cut-off to the swept volume is called
  14. The flow of steam is supersonic
  15. Thermal efficiency of well maintained boiler will be of the order
  16. The heat loss in a boiler takes place in the form of
  17. The nozzle efficiency is the ratio of
  18. An air preheater is installed
  19. Fire tube boilers are
  20. The water tubes in a simple vertical boiler are
  21. The best suited coal for chain or travelling grate stoker boiler is
  22. The function of a piston in a steam engine is
  23. Degree of reaction is defined as the ratio of
  24. The safety valve on boiler drum compared to safety valve on superheater is set at
  25. De-Laval turbine is a
  26. The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity…
  27. The efficiency of steam turbines may be improved by
  28. The number of flue tubes in Lancashire boiler is
  29. Stoichiometric quantity of air is the
  30. A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut…