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The basic job of feed water treatment in boilers is to overcome the problem of

A. Corrosion

B. Scale

C. Carryover

D. All of the above

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  1. The main object of a boiler trial is
  2. An ideal regenerative cycle is
  3. Which of the following compound steam engine requires a smaller flywheel?
  4. The numbers of fire tubes in a Cochran boiler are
  5. The discharge is __________ at critical pressure.
  6. The reheat factor depends upon
  7. The maximum discharge through a chimney occurs when the height of chimney is
  8. Cochran boiler is a
  9. The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised…
  10. An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades.
  11. Throttle governing of steam engines is a method of controlling the engine output by varying
  12. Sublimation region is the region where
  13. In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15…
  14. When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor…
  15. The function of a piston in a steam engine is
  16. The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure…
  17. The ratio of the clearance volume to the swept volume is called
  18. Fire tube boilers are
  19. A safety valve mainly used with locomotive and marine boilers is
  20. Sulphur in coal results in
  21. The reheat factor is the ratio of the
  22. The cylinder dimensions of a compound engine may be designed on the basis of
  23. The effect of friction on the flow of steam through a nozzle is to
  24. The diameter of fire tube of Cornish boiler compared to its shell is
  25. Green coal, in order to be burnt, must be
  26. Steam exhaust from high pressure turbine is reheated in
  27. The safety valve on boiler drum compared to safety valve on superheater is set at
  28. The evaporation of 15.653 kg of water per hour from and at 100°C is called
  29. The shell of the Cochran boiler is made hemispherical
  30. In a reaction turbine, when steam flows through the fixed blades,