1.
Chrome magnesite bricks are used in the

2.
Faster rate of drying of moulded refractories results in high __________ of refractories.

3.
Ganister is a source of the

4.
Use of higher percentage of lime for bonding silica bricks, reduces their

5.
With increase in the porosity, thermal spalling resistance of fireclay brick

6.
Si percentage in silica refractories used in the walls of coke oven is about

7.
Machine moulding of dry mixture of refractories requires a pressure of the order of __________ kg/cm².

8.
Panel test determines the __________ of refractories.

9.
Refractories used in/for __________ should have low thermal conductivity.

10.
Grog

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