41. Scaling of furnace stock is reduced by __________ in flue gas.
42. Cement Kiln is a
43. Which is a regenerative furnace?
44. Dampers are located
45. Decarburisation of steel
46. An example of indirectly heated furnace is the
47. The resistance furnace produces heat by the
48. Which of the following is not a continuous waste heat recovery equipment from the flue gases going out of furnace?
49. Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C.
50. In order to maintain a reducing atmosphere in a furnace, it should have
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