Refractory bricks with lower permeability is produced by using __________________?

Related Mcqs:

Ferromagnetic ceramic material is not used in the__________________?

A. Thermal insulation B. Transformers C. Magnetic switches D. Television sets...

With increase in the porosity, thermal spalling resistance of fireclay brick___________________?

A. Increases B. Decreases C. Remain same D. May increase or decrease...

Spalling tendency of refractories is reduced by increasing its_________________?

A. Porosity B. Specific gravity C. Thermal conductivity D. Strength...

Spray test determines the _____________ of refractories?

A. Resistance to slag penetration B. Resistance to CO attack C. RUL D. Permanent linear change...

Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of________________?

A. Fireclay B. Silicon carbide C. Corundum D. Siliceous fireclay...