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.Management Sciences
A. Retards the heat transfer
B. Assists in temperature equalisation in the charge
C. Permits the use of controlled atmosphere for the protection of stock
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....
- Which of the following is the most suitable for preheating combustion air above 650°C ?
- A. Regenerator B. Metallic recuperator C. Ceramic recuperator D. None of these...
- While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about _____________ °C?
- A. 2000 B. 3000 C. 4500 D. 6000...
- 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...
- Which one is not an induced draught furnace ?
- A. Blast furnace stove B. Sintering furnace C. High pressure boiler D. None of these...
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