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
Related Questions on Workshop Technology
The brass and bronze are welded by _________ flame.
A. Neutral
B. Oxidizing
C. Carburising
D. All of these
In TIG arc welding, the welding zone is shielded by an atmosphere of
A. Helium gas
B. Argon gas
C. Either (A) or (B)
D. None of these
In sheet metal blanking, shear is provided on punches and dies so that
A. Press load is reduced
B. Good cut edge is obtained
C. Warping of sheet is minimized
D. Cut blanks is straight
Join The Discussion