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ME Set-1
Engineering Materials
154

Engineering Materials MCQ with Answers

154) The machine tool guide ways are usually hardened by

vacuum hardening

martempering

induction hardening

flame hardening

Answer is:

flame hardening

Engineering Materials MCQ with Answers

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Related Engineering Materials MCQ with Answers

155) Age hardening is related to

duralumin

brass

copper

silver

Answer is:

duralumin

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

It is prone to age hardening

It can be forged

It is good machining properties

It is lighter than pure aluminum

Answer is:

It is lighter than pure aluminum

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

duralumin

Y-alloy

magnalium

hindalium

Answer is:

hindalium

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

copper

magnesium

silicon

lead and bismuth

Answer is:

lead and bismuth

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