Pick up the correct statement from the following:
A. Blisters in the finished wrought iron, are caused due to the reaction between oxide of iron and carbon
B. The edges of a finished wrought iron are rough due to red shortage
C. Pig iron (charcoal) is manufactured from magnetic ore (Fe3O4)
D. All the above
Answer: Option D
Related Questions on Building Materials
For the manufacture of plywood, veneers are placed so that grains of adjacent veneers
A. Run at right angles
B. Parallel
C. Inclined at 45°
D. Inclined at 60°
Stucco paints are suitable for
A. Stone masonry
B. Brick walls
C. Both (A) and (B)
D. Neither (A) nor (B)
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