Spalling of a refractory means its____________________?

Refractory Technology 16/05/2021

A. Softening
B. Fracture due to uneven expansion at high temperature
C. Resistance to compressive loads
D. Resistance to chemical action of gases and molten fluxes

Related Mcqs:

    Machine moulding of dry mixture of refractories requires a pressure of the order of _____________ kg/cm2?
    A. 10 B. 100 C. 500 D. 1000...
    _____________ nozzles are used in continuous casting of steel?
    A. Zircon B. Thoria C. Carborundum D. Beryllia...
    Firing temperature is minimum (1250-1400 °C) for _______________ bricks?
    A. Fireclay B. Direct bonded basic C. Silica D. Magnesite...
    Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory_________________?
    A. Mortars B. Cements C. Castables D. None of these...
    The highest melting pure oxide (m.p. > 3000°C)is___________________?
    A. Thoria B. Alumina C. Beryllia D. Zirconia...

Leave a Reply

Your email address will not be published. Required fields are marked *