Examveda
Examveda

A casting defect which results in general enlargement of a casting is known as

A. Shift

B. Sand wash

C. Swell

D. Scab

Answer: Option C

Solution(By Examveda Team)

A swell occurs when the mold wall gives way across a whole face, and is caused by an improperly rammed mold.
Burn-on occurs when metallic oxides interact with impurities in silica sands.
The result is sand particles embedded in the surface of the finished casting.

This Question Belongs to Mechanical Engineering >> Workshop Technology

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