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Engineering Materials

Engineering Materials
Hardness of martensite is about

RC 65
RC 80
RC 48
RC 57

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Engineering Materials
An example of amorphous material is

Zinc
Silver
Lead
Glass

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Engineering Materials
When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of

Mainly ferrite
Pearlite and cementite
Ferrite and pearlite
Mainly pearlite

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Engineering Materials
Which of the following pipes is least corrosion resistant?

Brass
Mild steel
Cast iron
Wrought iron

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Engineering Materials
The material widely used for making pendulums of clocks is

Stainless steel
High speed steel
Nickel steel
Heat resisting steel

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

Nickel
Vanadium
Cobalt
Chromium

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MORE MCQ ON Engineering Materials

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