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ENGINEERING MATERIALS

Engineering Materials
The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is

Nickel
Chromium
Cobalt
Vanadium

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Engineering Materials
Manganese in steel increases its

Tensile strength
Fluidity
Ductility
Hardness

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Engineering Materials
Free cutting steels

Contain carbon in free from
Can be cut freely
Is used where rapid machining is the prime requirement
Require minimum cutting force

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Engineering Materials
The cupola is used to manufacture

Pig iron
Wrought iron
Steel
Cast iron

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Engineering Materials
Tungsten in high speed steel provides

Wear resistance
Hot hardness
Toughness
Sharp cutting edge

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