Which is a continuous furnace ?
Which is a continuous furnace ?
A. Coke ovens
B. Annealing furnace
C. Glass tank furnace
D. None of these
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Which of the following is a periodic furnace ?
Which of the following is a periodic furnace ?A. Tunnel kiln
B. Rotary kiln
C. Soaking pit
D. Reheating furnaceIn which of the following furnaces, the gases are sucked through the stock bed from below?
Question: In which of the following furnaces, the gases are sucked through the stock bed from below?
[A].Soaking pit [B].
Sintering machine [C].
Beehive oven [D].
None of these Answer: Option B
Explanation:
No answer description available for this question.
The thermal efficiency of an air/fuel gas preheating recuperator may be as high as _____________ percent?
The thermal efficiency of an air/fuel gas preheating recuperator may be as high as _____________ percent?A. 50
B. 65
C. 85
D. 99Ceramic recuperators compared to metallic recuperators for the same duty_________________?
Ceramic recuperators compared to metallic recuperators for the same duty_________________?A. Are lighter
B. Occupy more space
C. Are less costly
D. Have higher pressure differential between flue gas & air sideHeat balance of furnace provides means of determining the_________________?
Heat balance of furnace provides means of determining the_________________?A. Thermal efficiency of the process
B. Sources of heat losses
C. Scope of reduction of heat losses
D. All A., B. and C.Higher furnace temperature cannot be achieved by use of a lean fuel gas in the furnace by_________________?
Higher furnace temperature cannot be achieved by use of a lean fuel gas in the furnace by_________________?A. Increasing the draft in the furnace
B. Preheating the fuel gas
C. Oxygen enrichment of combustion air
D. Preheating the combustion air