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Q. Describe shell moulding process merits and demerits.
Ans. Shell moulding process
Merits
(i) Better dimensional accuracy and consistency when compared with green sand moulding.
(ii) Less resistance to the flow of liquid metal in the mould.
(iii) Thin sections, short corners, small projections can be accommodated.
(iv) Subsequent machining operations are reduced.
Demerits
(i) More expensive metal pattern than the corresponding pattern for green sand moulding.
(ii) Not justified for small quantities.
5) Dupree Funds is considering the fees charged by two banks. First America charges a flat rate of $0.11 per payment and First Western requires a deposit of $500,000 (that does not
Aggregate properties 1.Aim: To compare the bulk density, voids ratio and angularity number of a nominal single sized aggregate when subjected to different levels of compaction
Cross Belt length
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