A. Fireclay
B. Magnesite
C. Forsterite
D. Chromite
Related Mcqs:
- Semi-silica bricks compared to silica bricks have_______________?
A. Less fusion point
B. Better spalling resistance
C. Both A. and B.
D. Neither A. not B. - Roof of a basic open hearth furnace is lined with ______________ bricks?
A. Silica
B. Fireclay
C. Dolomite
D. Magnesite - Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material ?
A. Aluminium phosphate
B. Water
C. Lime
D. Plaster of Paris - Roof of a basic electric furnace is made of _____________ bricks?
A. Superduty fireclay
B. Silica
C. Chromite
D. None of these - Chrome magnesite bricks are used in the_________________?
A. Side walls of soaking pits and arc furnaces
B. Copper melting furnaces & converters
C. Burner block of glass tanks
D. All A., B. and C. - Water content in ground refractory material to be shaped into bricks by hand moulding is about ______________ percent?
A. 5
B. 20
C. 40
D. 55 - Upper portion of hot metal mixer are lined with mullite bricks, which helps in resisting the_________________?
A. Washing action of metal
B. Corrosion by layer of slag
C. Both A. & B.
D. Neither A. nor B. - Tar dolomite bricks are used in the_________________?
A. Basic Bessemer converter
B. Basic open hearth furnace
C. Electric furnaces
D. All A., B. and C. - The maximum linear expansion of silica bricks during firing is about ______________ percent?
A. 0.5
B. 1
C. 2
D. 3.5 - Fireclay bricks are not used in the_____________________?
A. Blast furnace
B. Hot blast stove
C. Cupola
D. Wall of coke oven
