Engineering Materials MCQ with Answers

Engineering Materials MCQ with Answers

156) Which of the following statement is incorrect about duralumin?

Answer is:

It is lighter than pure aluminum

157) the aluminum alloy, mainly used, for anodized utensil manufacture, is

Answer is:

hindalium

158) The machinability of aluminum increases when ______ is added to aluminum.

Answer is:

lead and bismuth

159) The casting ability of aluminum increases when ______ is added to aluminum

Answer is:

silicon

160) Brass is an alloy of

Answer is:

copper and zinc

Explanation:

Brass is an alloy of Copper and zinc

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