_____________ furnace is not an electric furnace?
_____________ furnace is not an electric furnace?
A. Arc
B. Induction
C. Pot
D. Resistance
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Heat transfer rate to the stock/charge in the furnace does not depend upon the
Question: Heat transfer rate to the stock/charge in the furnace does not depend upon the
[A].emissivity of the refactory walls. [B].
size of the furance. [C].
use of waste heat recovery equipments. [D].
thickness of the stock. Answer: Option C
Explanation:
No answer description available for this question.
Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of_________________?
Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of_________________?A. Furnace oil with air
B. Furnace oil with oxygen
C. Blast furnace gas with air
D. Blast furnace gas with oxygenAn electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace.
Question: An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace.
[A].resistance [B].
arc [C].
low frequency induction [D].
none of these Answer: Option B
Explanation:
No answer description available for this question.
The heating capacity of muffle furnace depends on the____________________?
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.The amount of combustible escaping uncon-sumed from the furnace, depends upon the
Question: The amount of combustible escaping uncon-sumed from the furnace, depends upon the
[A].air supplied and furnace temperature. [B].
burner design (thoroughness of mixing versus stratification). [C].
air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction). [D].
all (a), (b) and (c). Answer: Option D
Explanation:
No answer description available for this question.
Reverberatory furnace is used for_____________________?
Reverberatory furnace is used for_____________________?A. Roasting/reduction of ores
B. Annealing steel coil
C. Heating air
D. Steel melting