Thermal diffusivity of a refractory brick is high, when its ____________ is high?

Related Mcqs:

______________ bricks are used in the burning zone of a cement rotary kiln ?

A. High alumina B. Fireclay C. Thoria D. Silicon carbide...

Porosity of silica bricks varies from ______________ percent?

A. 5 to 10 B. 20 to 30 C. 45 to 60 D. 60 to 75...

Ganister is a source of the ________________?

A. Silica B. Periclase C. Lime D. None of these...

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

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

In panel test for spalling resistance, the average face temperature of panel assembly is maintained at ______________ °C for 24 hours?

A. 700 B. 1000 C. 1600 D. 2000...