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REFRACTORY TECHNOLOGY

Refractory Technology
To resist spalling tendency, a refractory should have

Greater diffusivity
All of these
Low specific heat
Low thermal co-efficient of expansion

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Refractory Technology
Refractory materials are never used in the construction of

Segar cones
Ovens & retorts
Orton cones
Pressure vessels

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Refractory Technology
Refractoriness under load (RUL) is the most important property for the refractory bricks

None of these
At the hearth bottom of the furnace on which stock is placed
Used in the roof of the furnace
Used for furnace insulation

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Refractory Technology
Carbon refractories are exclusively used in the

Hearth of blast furnace
Walls of coke oven
Regenerators of coke oven
Side wall of soaking pits

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Refractory Technology
The largest consumer of refractories is the __________ industry.

Metallurgical
Fertiliser
Cement
Power

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