High density refractory bricks have lower__________________?

Related Mcqs:

Carbon refractories have very high __________________?

A. Wetting characteristics B. Refractoriness C. Thermal conductivity D. Both B. and C....

Pick out the wrong statement ?

A. A ceramic material which becomes fluid upon heating and can be moulded in liquid/viscous state is termed s glass B. Ceramic materials do not undergo vitrification on heating C. Ceramic materials are brittle in nature D. Non-oxide ceramic materials generally act as a semi-conductor...

Test piece for determination of RUL of a refractory is heated in a/an____________________?

A. Oxidising atmosphere B. Reducing atmosphere C. Electric furnace D. Neutral atmosphere...

Which is required in an insulating refractory ?

A. High thermal conductivity B. Low porosity C. Both A. and B. D. Neither A. nor B....

Refractoriness under loads (RUL) is quite close to the fusion temperature (PCE) for _____________ bricks?

A. Fireclay B. Silica C. Dolomite D. Very low alumina...