Question

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.

Posted under Civil Engineering

Answer: (d).All the above.

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Q. Pick up the correct statement from the following:

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