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Refractory bricks having high thermal conductivity is desirable, when it is to be used in the

A. L.D. converter

B. Blast furnace

C. Rotary kiln

D. Recuperator

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

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  1. Rotary kiln is not involved in the production of
  2. Chemical formula of 'salt cake' is
  3. Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers…
  4. Sea weeds are an important source of
  5. Which of the following is an yellow pigment?
  6. Kopper-Totzek coal gasifier
  7. Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt…
  8. Starting material for the production of styrene butadiene rubber (SBR) is
  9. Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified…
  10. Pure rectified spirit contains about __________ percent alcohol.
  11. Phenol formaldehyde resin is used as an adhesive in making
  12. 99.5% purity oxygen is used in
  13. __________ is produced by the dehydrogenation of ethyl benzene.
  14. Solvay process as compared to dual process(i.e. modified Solvay process).
  15. Pick out the wrong statement. Iodine value of an oil or fat is
  16. Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have
  17. __________ of quicklime produces slaked lime.
  18. How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical…
  19. CaSO4 . ½H2O is known as
  20. Good quality of edible salt is obtained from brine by the process of
  21. Molecular weights of polymers are in the range of
  22. __________ are added in lacquers to remove film brittleness and to improve adhereness.
  23. Shaving soaps are
  24. Plasticisers are added to synthetic plastics to
  25. Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result…
  26. Which of the following is used as a coagulant in treating turbid water?
  27. Lurgi coal gasifier is a pressurised __________ bed reactor.
  28. Molasses is the starting material for the production of
  29. Maleic anhydride is produced by catalytic oxidation of
  30. Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.