Related Questions

Which of the following consumes the maximum tonnage of refractories annually in an integrated steel plant?
A Soaking pits
B Ceheating furnace
C L.D. converter
D Rotary lime kiln
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
Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of
A Graphite powder
B Thoria
C Zircon powder
D Beryllium
An insulating refractory brick should have high porosity and low thermal conductivity. Which of the following is not used for inducing porosity in the insulating refractory bricks during its manufacture?
A Cork
B Saw dust
C Sand
D Chemically prepared foam
Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory
A Mortars
B Cements
C Castables
D None of these
If a refractory contains high content of silicon, it means refractory is
A Acidic
B Basic
C Neutral
D Brittle
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
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 of the following will happen if the thickness of refractory wall of furnace is increased?
A Heat loss through furnace wall will increase
B Temperature inside the furnace will fall
C Temperature on the outer surface of furnace walls will drop
D Energy consumption will increase
The refractory lining of the bottom in a basic electric arc furnace is made of
A Silica
B Alumina
C Magnesia
D Fireclay

Next steps