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Which of the following show can the approximate number of castings be produced by gravity die casting?

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in Casting-Forming-Welding I by (687k points)
Which of the following show can the approximate number of castings be produced by gravity die casting?

(a) 0-50

(b) 50-100

(c) 100-250,000

(d) 250,000-500,000

This question was addressed to me in class test.

My doubt is from Gravity Die Casting in portion Special Casting Techniques of Casting-Forming-Welding I

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Best answer
The correct choice is (c) 100-250,000

Explanation: As a reusable metallic die is used as a mould that is beneficial for large scale production. A large number of castings around 100-250,000 can be produced easily without any in-between maintenance, to achieve more no. of castings sometimes repairing is required to remove any distortion if produced in the mould.

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