Discussion :: Building Materials
- Pick up the correct statement from the following:
A.
Air bubbles in casting produce a dull sound by tapping their surfaces lightly with a hammer |
B.
Cupola furnace is used for the manufacture of cast iron |
C.
Red short iron is of no value for welding purpose |
D.
All the above |
Answer : Option D
Explanation :
Explanation Not Provided
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