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Engineering Materials

Engineering Materials
Solder is an alloy consisting of

Tin, antimony, copper
Tin and copper
Lead and zinc
Tin and lead

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Engineering Materials
Manganese is added in low carbon steel to

Make the steel tougher and harder
Raise the yield point
Make the steel ductile and of good bending qualities
All of these

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Engineering Materials
Which of the following is not the correct method of increasing fatigue limit?

Shot peening
Cold working
Surface decarburisation
Nitriding of surface

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Engineering Materials
The following element can't impart high strength at elevated temperature

Nickel
Silicon
Magnesium
Manganese

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Engineering Materials
The toughness of a material __________ when it is heated.

None of these
Remain same
Decreases
Increases

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Engineering Materials
The material widely used for making pendulums of clocks is

Nickel steel
Stainless steel
High speed steel
Heat resisting steel

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