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Jolt method of ramming makes smooth ramming and packing of sand layers in the mould.

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in Casting-Forming-Welding I by (687k points)
Jolt method of ramming makes smooth ramming and packing of sand layers in the mould.

(a) True

(b) False

I got this question during an internship interview.

This question is from Methods of Ramming Mold Boxes in division Mold and Mold Making of Casting-Forming-Welding I

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Right choice is (b) False

Explanation: In the method of jolt moulding, it gives rise to uneven packing and it is very severe on the moulding equipment also. The sand at the bottom experiences the highest force and the magnitude of the force is decreases in upward direction, so the bottom layers packed well as compared to the top layers in the mould.

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