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.Management Sciences
A. Surface area & emissivity of the stock
B. Properties of the muffle wall (temperature, area, and emissivity)
C. Both A. & B.
D. Neither A. nor B.
Related Mcqs:
- Regenerators compared to the recuperators for the same duty__________________?
- A. Occupy more space B. Are less costly C. Are of smaller size D. All A., B. and C....
- Shaft furnaces are used for_______________________?
- A. Smelting B. Calcining C. Roasting D. All A., B. and C....
- Circulation of gases in furnace is caused by the_________________?
- A. Change in volume during a change of temperature B. Difference in density between hot and cold gases C. Furnace pressure in conjunction with draft in flues D. All A., B. and C....
- Which furnace employs an I.D. fan for the removal of flue gases from the furnace ?
- A. Coke oven B. Blast furnace stoves C. Beehive coke oven D. High pressure boiler...
- _____________ atmosphere is maintained inside an iron blast furnace?
- A. Oxidising B. Reducing C. Inert D. Decarburising...
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