Refractory Technology - Study Mode
[#1] Dry mix hydraulic compositions of refractory aggregates with suitable bonding materials are called refractory
Correct Answer
(C) Castables
[#2] Insulating refractories should have
Correct Answer
(B) Low thermal conductivity
[#3] Cermets are combination of ceramic and metallic materials due to which they have high strength & resistance to high temperature. Cermets are used in the
Correct Answer
(B) Nuclear reactors, missiles & space crafts
[#4] Basic bricks are not made of
Correct Answer
(A) Fireclay
[#5] Alumina-graphite bricks are used for lining the
Correct Answer
(C) Both A & B