Tar bonded dolomite bricks__________________?

Refractory Technology 08/01/2022

A. Are stored under controlled temperature & humidity to avoid hydration
B. Are used in outer lining of L.D. converters
C. Have poorer hydration resistance than pitch bonded bricks
D. All A., B. and C.

Related Mcqs:

    Zirconia refractory_________________?
    A. Does not react with basic slags B. Is produced from baddeleyite C. Cannot be used as an insulator D. Has poor electrical conductivity at high temperature...
    Rotary kilns meant for calcination of limestone are lined with chrome magnesite in ______________ zone?
    A. Preheating B. Cooling C. Burning D. All the above...
    Refractoriness/fusion points of ‘Superduty’ refractories is _______________ °C?
    A. 1520-1630 B. 1630-1670 C. > 1730 D. > 2000...
    High refractoriness of refractory bricks means, that it has a________________?
    A. High spalling resistance B. Low spalling resistance C. High resistance to fusion D. Low porosity...
    Use of higher percentage of lime for bonding silica bricks, reduces their__________________?
    A. Strength B. Abrasion resistance C. Both A. & B. D. Neither A. nor B....

Leave a Reply

Your email address will not be published.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