Spalling tendency of refractories is reduced by increasing its_________________?

Related Mcqs:

Periclase is___________________?

A. Crystalline form of MgO B. MgCO3 C. ZrSO4 D. Amorphous magnesite...

High alumina refractories are used in the ___________________?

A. Dome of blast furnace stoves B. Electric arc furnace roof C. Glass melting furnaces D. All A., B. and C....

Magnesite bricks are used in those parts of furnaces, which are __________________?

A. Subjected to temperature fluctuation B. Required to resist corrosive basic slag C. Subjected to high load D. None of these...

Pick out the wrong statement?

A. Sand & coke is the main raw material for the manufacture of silicon carbide B. Carbon refractories cannot be used in the furnaces operating under reducing conditions C. Mullite can be obtained by the heating of alusite, kyanite or sillimanite D. Silica occurs in nature in all cellular, amorphous or crystalline form...

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....