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Engineering Materials

Engineering Materials
Shock resistance of steel is increased by adding

Chromium
Nickel and chromium
Sulphur, lead and phosphorus
Nickel

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Engineering Materials
Which of the following elements does not impart hardness to steel?

Nickel
Copper
Silicon
Chromium

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Engineering Materials
The blade of a power saw is made of

High speed steel
Boron steel
Stainless steel
Malleable cast iron

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Engineering Materials
Which of the following property is desirable for materials used in tools and machines?

Malleability
Ductility
Plasticity
Elasticity

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Engineering Materials
In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion.

Sulphur
Phosphorus
Manganese
Silicon

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Engineering Materials
Which of the following material has maximum ductility?

Mild steel
Nickel
Copper
Aluminium

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