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.Management Sciences
A. Is the removal of carbon from iron carbide (Fe3C)
B. Affects its crystalline structure
C. Is favoured by CO2
D. All A., B. and C.
Related Mcqs:
- The heating capacity of muffle furnace depends on the____________________?
- 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....
- Hearth furnaces are not used for____________________?
- A. Roasting B. Melting C. Reheating D. None of these...
- Unit of furnace loading is____________________?
- A. Ton stock/hr/m2 hearth area B. Ton stock/hr C. Ton stock/m2 hearth area D. Both B. and C....
- The main function of a muffle in the muffle furnace is to__________________?
- A. Protect the charge from the effects of the products of combustion B. Smooth out temperature inequalities on the combustion side of the muffle wall C. Both A. & B. D. Neither A. nor B....
- The function of an economiser in a boiler is to preheat the _____________________?
- A. Feedwater B. Combustion air C. Pulverised coal D. Furnace oil...
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