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.Management Sciences
A. Preheating of cold stock
B. Preheating of combustion air
C. Steam generation in waste heat boilers
D. All A., B. and C.
Related Mcqs:
- An example of shaft furnace is the__________________?
- A. L.D. converter B. Glass melting tank C. Blast furnace D. Soaking pit...
- Hearth furnaces are not used for____________________?
- A. Roasting B. Melting C. Reheating D. None of these...
- In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by__________________?
- A. Conduction B. Convection C. Radiation D. Cannot be predicted...
- Use of pulverised coal in boilers provides____________________?
- A. Higher calorific value B. Better combustion C. Smokeless burning D. Less erosion on furnace wall...
- _____________ furnace is not an electric furnace?
- A. Arc B. Induction C. Pot D. Resistance...
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