Refractory Technology Objective Quiz Questions and Answers - 1

Question: 1

Fireclay bricks are not used in the

(A) Walls of coke oven

(B) Cupola

(C) Hot blast stove

(D) Blast furnace

Question: 2

The main raw material for the manufacture of silicon carbide refractories is

(A) Bauxite

(B) Corundum

(C) Carborundum

(D) Periclase

Question: 3

Magnesite bricks have poor resistance to attack by _____ slag.

(A) Acid

(B) Basic

(C) Lime

(D) None of these

Question: 4

Which brick undergoes maximum shrinkage on drying?

(A) Chromite bricks

(B) Magnesite bricks

(C) Fireclay bricks

(D) Tar bonded dolomite bricks

Question: 5

A refractory property PCE stand for

(A) Pyrometric Cone Equivalent

(B) Pressurise Cone Equilibrium

(C) Pressurised Cone Equivalent

(D) Preheated Cone Equivalent