RUL of refractories depends on the _____________________?

Related Mcqs:

Because of its very high refractoriness of the order of __________ °C, silicon carbide refractories are used in zinc smelting furnace, muffle furnace and for supporting the wares in tunnel kilns ?

A. 1800 B. 2200 C. 2400 D. 2700...

____________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold?

A. High thermal conductivity B. Low porosity C. Non-wetting characteristics D. High density...

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...

. Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm2) is ______________ °C?

A. 500 B. 1000 C. >1350 D. >2000...

___________________ is the measure of the strength of refractory under the combined effect of temperature & load ?

A. Porosity B. RUL C. Specific gravity D. Thermal conductivity...