Which colour is obtained by copper alloys, when nickel is added to it?
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What amount of impurity is allowed for copper to be used in electric applications?
In green sand moulding of steel casting, what is the moisture percentage composition?
Which of the following materials, on adding with copper, doesn?t increase its strength?
What is the tensile strength of cast manganese bronze?
In synthetic sands of aluminium alloys, what is the bentonite percentage composition?
What is the tensile strength of pure annealed copper?
Copper alloys are mostly hot treated?
Iron needs higher temperature ranges for its extraction.
In gray iron castings of facing sand mixtures, what is the bentonite percentage composition?
For protection of copper alloys from corrosion, a special type of coating is applied on it.
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