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.Management Sciences
The purpose of controlling the furnace atmosphere is to prevent surface attack by__________________?
A. Oxidation/scaling
B. Decarburising
C. Sulphur penetration
D. Either of the above
Related Mcqs:
- Forced recirculation of furnace gases is practised_______________?
- A. To increase heat transfer by convection B. To ensure uniform temperature C. In furnaces, operating below 750°C D. All A., B. and C....
- Which of the following is not a directly fired furnace ?
- A. By-product coke oven B. Calcination kiln C. Sintering furnace D. Open hearth furnace...
- Soaking pits are meant for heating steel_________________?
- A. Ingots B. Coils C. Sheets D. Slabs...
- Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace ?
- A. Increase in calorific value of the fuel B. Increase in flame temperature C. Reduction in scale losses D. Saving in fuel consumption...
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