Cement Kiln is a___________________?
Cement Kiln is a___________________?
A. Rotary Kiln
B. Tunnel Kiln
C. Natural draft furnace
D. Batch furnace
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Forced recirculation of furnace gases is practised_______________?
Forced recirculation of furnace gases is practised_______________?A. To increase heat transfer by convection
B. To ensure uniform temperature
C. In furnaces, operating below 750°C
D. All A., B. and C.An example of recuperative furnace is the
Question: An example of recuperative furnace is the
[A].soaking pit [B].
open hearth furnace [C].
coke ovens [D].
none of these Answer: Option A
Explanation:
No answer description available for this question.
__________ atmosphere is maintained inside an iron blast furnace.
Question: __________ atmosphere is maintained inside an iron blast furnace.
[A].Oxidising [B].
Reducing [C].
Inert [D].
Decarburising Answer: Option B
Explanation:
No answer description available for this question.
Pot furnace which is either regenerative or recuperative, is used in the manufacture of____________________?
Pot furnace which is either regenerative or recuperative, is used in the manufacture of____________________?A. Glass
B. Stainless steel
C. Potteries
D. Refractory bricksUse of pulverised coal in boilers provides____________________?
Use of pulverised coal in boilers provides____________________?A. Higher calorific value
B. Better combustion
C. Smokeless burning
D. Less erosion on furnace wallThermal efficiency of blast furnace stoves used for heating blast (air) may be about _____________ percent?
Thermal efficiency of blast furnace stoves used for heating blast (air) may be about _____________ percent?A. 20
B. 40
C. 60
D. 80