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Engineering Materials

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

Nickel
Manganese
Magnesium
Silicon

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Engineering Materials
Cementite consist of

13% carbon and 87% ferrite
13% cementite and 87% ferrite
6.67% carbon and 93.33% iron
13% ferrite and 87% cementite

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Engineering Materials
Foundry crucible is made of

Lead
German silver
Mild steel
Graphite

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Engineering Materials
Quenching is not necessary when hardening is done by

Flame hardening
Nitriding
Any one of these
Case hardening

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Engineering Materials
The aluminium alloy, mainly used, for anodized utensil manufacture, is

Magnalium
Hindalium
Y-alloy
Duralumin

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Engineering Materials
Cast iron is a

Malleable material
Tough material
Brittle material
Ductile material

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MORE MCQ ON Engineering Materials

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