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Engineering Materials

Engineering Materials
Shock resistance of steel is increased by adding

Nickel and chromium
Nickel
Chromium
Sulphur, lead and phosphorus

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Engineering Materials
In high speed steels, manganese is used to tougher the metal and to increase its

Critical temperature
Melting point
Yield point
Hardness

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Engineering Materials
The hardness of steel increases if it contains

Pearlite
Austenite
Cementite
Martensite

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Engineering Materials
Ductility of a material can be defined as

All of these
Ability to recover its original form
Ability to undergo large permanent deformations in tension
Ability to undergo large permanent deformations in compression

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Engineering Materials
Chromium when added to steel _________ the tensile strength.

None of these
Decreases
Increases
Does not effect

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Engineering Materials
The cupola is used to manufacture

Cast iron
Steel
Wrought iron
Pig iron

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