Refractory castables are used for__________________?

Related Mcqs:

Which is not a basic refractory ?

A. Chrome magnesite B. Magnesite C. Dolomite D. Silicon carbide...

An indication of degree of firing in silica brick is its____________________?

A. Specific gravity B. Fusion point C. RUL D. None of these...

Spalling resistance of a refractory cannot be increased by ____________________?

A. Increasing its porosity B. Using a coarser grog during its manufacture C. Decreasing its thermal co-efficient of expansion D. Making it denser...

Skull is not formed on the carbon blocks in the hearth of a blast furnace, when it becomes cold, because of its_______________?

A. Non-wetting characteristic B. High thermal conductivity C. High crushing strength D. None of these...

Refractory bricks with lower permeability is produced by using __________________?

A. Higher firing temperature B. Higher moulding pressure C. Finer grog size D. All A., B. and C....