Neutral atmosphere is maintained in a/an ____________ furnace?
A. Cold rolled steel coil annealing
B. Open hearth
C. Soaking pit
D. Walking beam reheating
A. Cold rolled steel coil annealing
B. Open hearth
C. Soaking pit
D. Walking beam reheating
A. Reduces its thermal efficiency
B. Is indicated by flame sting out
C. Increases the flue gas temperature
D. None of these
A. Waste heat recovery from flue gas
B. Minimising heat losses from furnace walls
C. Maintaining proper draught
D. All A., B. and C.
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A. Reheating furnace
B. Reverberatory furnace
C. Rotary kilns
D. Boiler furnace
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A. Oxidation/scaling
B. Decarburising
C. Sulphur penetration
D. Either of the above