Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to__________________?

Related Mcqs:

Refractory materials are never used in the construction of _________________?

A. Segar cones B. Orton cones C. Pressure vessels D. Ovens & retorts...

With increase in the density of silica refractories, its_______________?

A. Resistance to slag attack increases B. Spalling resistance reduces C. Both A. and B. D. Neither A. nor B....

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...

Ramming masses are used for____________________?

A. Obtaining monolithic working faces B. Repairing construction of various furnace parts C. Both A. & B. D. Neither A. nor B....

Pure oxide refractories are generally monocrystalline in nature and are self bonded _______________ bricks are generally used as moderator in nuclear reactors?

A. Beryllia B. Carborundum C. Corundum D. Thoria...