- (A) 1380
- (B) 1520
- (C) 1710
- (D) 1915
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- (A) Fireclay
- (B) Carborundum
- (C) Graphite
- (D) Chromite
- (A) Contains both alumina and silica
- (B) Is crushed firebrick
- (C) Is a non-plastic material
- (D) All
- (A) Silica bricks
- (B) Fireclay bricks
- (C) Bauxite bricks
- (D) Magnesia bricks
- (A) 800-1000
- (B) 1000-1200
- (C) 1600-1800
- (D) 2400-2600
- (A) 1520
- (B) 1630
- (C) 1670
- (D) 1730
- (A) Coke oven regenerators
- (B) Muffle furnace
- (C) Blast furnace
- (D) Recuperators
- (A) Subjected to temperature fluctuation
- (B) Required to resist corrosive basic slag
- (C) Subjected to high load
- (D) None of these
- (A) Beehive oven
- (B) Coke oven walls
- (C) Zinc roaster
- (D) Lead blast furnace
- (A) Depends on the nature of slag & refractory
- (B) Decreases at higher temperature
- (C) Decreases, if defective joints & cracks exist in the refractory
- (D) All
