The sand used for making cores is
A. Green sand
B. Dry sand
C. Loam sand
D. Oil sand
Answer: Option D
Solution (By Examveda Team)
It is used for making cores and sometimes called oil sand.This is silica sand mixed with core oil composed of linseed oil, resin, light mineral oil and other binding materials.
This Question Belongs to Mechanical Engineering >> Workshop Technology
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