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Engineering Materials

Engineering Materials
German silver contains

No silver
2% silver
5% silver
1% silver

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Engineering Materials
When the steel is normalized, its

Ductility decreases
Ultimate tensile strength increases
All of these
Yield point increases

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Engineering Materials
Pearlite consists of

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

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Engineering Materials
Balls for ball bearings are made of

Cast iron
Mild steel
Carbon-chrome steel
Stainless steel

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Engineering Materials
1841 high speed steel contains

Vanadium 18%, chromium 1% and tungsten 4%
Vanadium 1%, chromium 4% and tungsten 18%
None of these
Vanadium 4%, chromium 18% and tungsten 1%

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Engineering Materials
The crystal structure of brass is

C.C.
Orthorhombic crystalline structure
F.C.C.
H.C.P.

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MORE MCQ ON Engineering Materials

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