What is the density of copper alloys?
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Which colour is obtained by copper alloys, when zinc is added to it?
In dry sand moulding of steel casting, what is the dextrine percentage composition?
Which colour is obtained by copper alloys, when nickel is added to it?
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?
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