Related Questions

Which furnace consumes maximum refractory annually in an integrated steel plant?
A Soaking pit
B Blastfurnace
C L.D. converter
D Coke ovens
Production of one ton of steel plate in a modern integrated steel plant in India consumes about __________ kWh of electricity.
A 50
B 250
C 450
D 850
Faster rate of drying of moulded refractories results in high __________ of refractories.
A Green strength
B Voids
C Shrinkage
D Both B and C
Which of the following fertilisers is produced in the by-products recovery (from coke oven gas) plant attached to an integrated steel plant?
A Ammonium sulphate
B Ammonium nitrate
C Ammonium phosphate
D None of these
Which fertiliser is made (using coke oven gas) in by products plant of an integrated steel plant?
A Urea
B CAN
C Ammonium sulphate
D Superphosphate
The refrigerant used in small tonnage commercial machines (hermetically sealed units) is
A Ammonia
B Carbon dioxide
C Sulphur dioxide
D R-12
Large tonnage of refractory bricks are dried in a
A Shaft furnace
B Rotary hearth furnace
C Tunnel kiln
D Muffle furnace
According to Taggart's rule for selecting between a gyratory crusher and a jaw crusher; the later should be used, if the hourly tonnage to be crushed divided by the square of the gape expressed in cm is less than
A 0.00184
B 0.0184
C 0.184
D 1.84
Pure bauxite is the best raw material for the manufacture of high alumina refractories, in which maximum alumina content can be as high as __________ percent.
A 55
B 70
C 80
D 90
Maximum shrinkage in volume occurring during burning/firing of dried refractories may be as high as __________ percent.
A 10
B 15
C 20
D 30

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