The average value of diagram factor lies between

A. 0.2 to 0.5

B. 0.5 to 0.65

C. 0.65 to 0.9

D. 0.8 to 1.2

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  1. In natural circulation type boiler,
  2. The function of a valve rod is
  3. In cross compounding, the cylinders are arranged
  4. The friction present between the steam and the nozzle surfaces reduces the heat drop by
  5. Fire tube boilers are
  6. In locomotives, the draught is produced by
  7. Which of the following are boiler accessories?
  8. Expansion ratio is the ratio of
  9. In a boiler, the heat is lost
  10. Desecration of feed water is carried out because it reduces
  11. The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent…
  12. The pressure of reheat steam after passing through reheater compared to inlet condition is
  13. The object of producing draught in a boiler is
  14. The difference between Cornish boiler and Lancashire boiler is that
  15. Pick up wrong statement about desired properties of a good fuel
  16. 1 kg.m is equal to
  17. Benson boiler requires
  18. When the circulation of water, in a boiler, is by a centrifugal pump, then the boiler is known as
  19. The effect of friction in the nozzle __________ dryness fraction of steam.
  20. Which of the following statement is correct?
  21. The function of a piston in a steam engine is
  22. The ratio of heat utilised to produce steam and the heat liberated in furnace is known as
  23. The fire tubes in a Locomotive boiler has _________ diameter.
  24. The diameter of cylindrical shell of the Lancashire boiler is of the order of
  25. The water tubes in a simple vertical boiler are
  26. Duplex feed pumps are used in small steam boilers. These operate on the principle of
  27. A safety valve in a locomotive starts leaking. The leaking medium will be
  28. Degree of reaction is defined as the ratio of
  29. A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio…
  30. The critical pressure ratio (p₂/p₁) is given by