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Refractory Technology — Test 5

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Question 1
High refractoriness of refractory bricks means, that it has a________________?
Question 2
To resist spalling tendency, a refractory should have________________?
Question 3
Cermets are____________________?
Question 4
Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory_________________?
Question 5
Hot face insulating linings of high purity alumina fused mullite are used, where_________________?
Question 6
Periclase refractory contains mainly________________?
Question 7
Silica bricks have low spalling resistance below 600°C, due to its________________?
Question 8
Magnesite refractories have low resistance to___________________?
Question 9
Which is a basic refractory ?
Question 10
Tar dolomite bricks are used in the_________________?