Refractory bricks having lower porosity have_________________________?

Related Mcqs:

Grog addition in fireclay during brick manufacture is done to_________________?

A. Reduce its shrinkage on heating B. Impart greater spalling resistance C. Enhance the strength of fired refractories D. All A., B. and C....

Which of the following is not an acidic refractory?

A. Silica bricks B. Fireclay bricks C. Bauxite bricks D. Magnesia bricks...

With increase in the alumina content, the refractoriness of high alumina refractories_______________?

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

Which furnace consumes maximum refractory annually in an integrated steel plant ?

A. Soaking pit B. Blast furnace C. L.D. converter D. Coke ovens...

The highest melting pure oxide (m.p. > 3000°C)is___________________?

A. Thoria B. Alumina C. Beryllia D. Zirconia...