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Engineering Materials

Engineering Materials
The hardness of steel increases if it contains

Cementite
Austenite
Pearlite
Martensite

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

Manganese
Silicon
Nickel
Magnesium

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Engineering Materials
Dislocations in materials refer to the following type of defect

Plane defect
Volumetric defect
Line defect
Point defect

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Engineering Materials
Nickel when added to copper improves

Hardness
Machinability
Hardness and strength
Strength and ductility

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Engineering Materials
Cemented carbide tools are not found to be suitable for cutting

Steel
Cast iron
Brass
Aluminium

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Engineering Materials
Shock resistance of steel is increased by adding

Nickel
Sulphur, lead and phosphorus
Nickel and chromium
Chromium

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