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1.
In a furnace employing forced draught as compared to induced draught,
2.
Regenerators are used for waste heat recovery in
3.
An example of recuperative furnace is the
4.
The heat recoverable from flue gases of furnaces depends on the
5.
Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent.
6.
Operation of blast furnace stove is based on the principles of a __________ furnace.
7.
Higher furnace temperature cannot be achieved by use of a lean fuel gas in the furnace by
8.
Air filtration in a furnace
9.
Blast furnace stoves are meant for heating
10.
Which of the following is not a directly fired furnace?