Mechanical Engineering - Workshop Technology - Discussion

Discussion Forum : Workshop Technology - Section 3 (Q.No. 40)
40.
A sand employed on the faces of the pattern before moulding, is called
green sand
dry sand
loam sand
parting sand
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Bharath said:   6 years ago
I think it is facing sand.

Touhee said:   6 years ago
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 When the pattern is withdrawn from the mould, the moulding sand sticks to it.

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