Related Questions

Chromite refractories are
A Acidic refractory
B Neutral refractory
C Basic refractory
D Fired at a temperature of 600°C only
Faster rate of drying of moulded refractories results in high __________ of refractories.
A Green strength
B Voids
C Shrinkage
D Both B and C
Where has the Geological Survey of India located most of India's Chromite?
A Cuttack
B Singhbhum
C Manipur
D Hubli
Magnesite refractories are generally not used in the
A Electric furnace walls
B Steel melting furnace
C Open hearth furnace
D Burning zone of cement kilns
Silicon carbide refractories are used in the
A Muffle furnace
B Zinc smelting furnace
C Ceramic recuperators
D All of the above
Carbon refractories are exclusively used in the
A Hearth of blast furnace
B Walls of coke oven
C Regenerators of coke oven
D Side wall of soaking pits
Zirconia refractories are not used in
A Making sheaths for thermocouple
B Lining high temperature ceramic kilns
C Furnaces subjected to fluctuating temperature
D High frequency induction furnaces in the form of inductors
Silica refractories are not used in
A Coke oven walls
B Beehive coke ovens
C Dome and upper portion of B.F. stoves
D Open hearth furnace roof
High alumina refractories are used in the
A Dome of blast furnace stoves
B Electric arc furnace roof
C Glass melting furnaces
D All of the above
Refractories used in/for __________ should have low thermal conductivity.
A Coke ovens
B Insulation
C Regenerators
D Muffle furnaces

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