In sand casting of magnesium alloys, what is the amount of bentonite sand used in a British mix?(a) 3 lb(b) 4 lb(c) 5 lb(d) 6 lbI had been asked this question at a job interview.The doubt is from Magnesium Alloys in portion Foundry Introduction & Materials of Casting-Forming-Welding II

In sand casting of magnesium alloys, what is the amount of bentonite s

1.	In sand casting of magnesium alloys, what is the amount of bentonite sand used in a British mix?(a) 3 lb(b) 4 lb(c) 5 lb(d) 6 lbI had been asked this question at a job interview.The doubt is from Magnesium Alloys in portion Foundry Introduction & Materials of Casting-Forming-Welding II
Answer» CORRECT choice is (b) 4 lb Explanation: In the production of magnesium alloys, there are a variety of sands EMPLOYED. For this, bentonite sand has to be USED for the sand casting of the alloys. The amount of bentonite sand used is 4 LBS in both British as well as American mix.

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