A sand employed on the faces of the pattern before moulding, is called
A. Green sand
B. Dry sand
C. Loam sand
D. Parting sand
Answer: Option D
Solution(By Examveda Team)
A pure silica sand employed on the faces of the pattern before moulding is known as parting sand.When the pattern is withdrawn from the mould, the moulding sand sticks to it.
To avoid sticking, parting sand is sprinkled on the pattern before it is embedded in the moulding sand
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