Which of the following method(s) is obsolete for storing fragile patterns?(a) They must be stored in kerosene(b) They must be stored in wax plated shelves(c) They must be stored in a wood wardrobe(d) They must be stored in foamThis question was addressed to me by my college professor while I was bunking the class.The question is from Finishing Patterns & Storing of Patterns in chapter Pattern and Pattern Making of Casting-Forming-Welding I

Which of the following method(s) is obsolete for storing fragile patte

1.	Which of the following method(s) is obsolete for storing fragile patterns?(a) They must be stored in kerosene(b) They must be stored in wax plated shelves(c) They must be stored in a wood wardrobe(d) They must be stored in foamThis question was addressed to me by my college professor while I was bunking the class.The question is from Finishing Patterns & Storing of Patterns in chapter Pattern and Pattern Making of Casting-Forming-Welding I
Answer» The correct CHOICE is (d) They must be stored in FOAM To EXPLAIN: Foam has the ability to absorb shocks and SUDDEN impacts to a very higher EXTENT. Hence, Fragile patterns are stored while wrapped in foam.

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