A. Cupola
B. Gas producer
C. Bottom of hot metal mixer
D. Roof of open hearth furnace
Related Mcqs:
- Fireclay bricks are used in the__________________?
A. Coke ovens regenerator
B. Outer lining of L.D. converter
C. Hearth bottom of blast furnace
D. Coke oven walls - Carbon bricks are not used in the lining of the_________________?
A. Combustion chamber of blast furnace stoves
B. Electric furnaces
C. Highly chemical resistant equipments
D. Blast furnace hearth - Alumina-graphite bricks are used for lining the ____________________?
A. Slide gate in teeming laddies
B. Continuous casting systems
C. Both A. and B.
D. Neither A. nor B. - Silica bricks are never used for lining the____________________?
A. Beehive coke ovens
B. By-product coke ovens
C. Dome of blast furnace stoves
D. Roof of open hearth furnace - Fireclay bricks are never used in the______________?
A. Beehive oven
B. Coke oven walls
C. Zinc roaster
D. Lead blast furnace - Fireclay bricks are not used in the _________________?
A. Beehive coke oven
B. By-product coke oven walls
C. Combustion chamber of B.F. stoves
D. Coke oven regenerators - Cold crushing strength of fireclay bricks is about ______________ kgf/cm2?
A. 50-100
B. 100-150
C. 200-400
D. 500-1000 - . Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm2) is ______________ °C?
A. 500
B. 1000
C. >1350
D. >2000 - High alumina refractory compared to fireclay bricks have____________________?
A. Less load bearing capacity
B. Less resistance to slag attack
C. Low refractoriness
D. High resistance to thermal shock and creep - Fireclay bricks are not used in the_____________________?
A. Blast furnace
B. Hot blast stove
C. Cupola
D. Wall of coke oven
