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Engineering Materials

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

Chromium
Vanadium
Nickel
Cobalt

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Engineering Materials
An example of amorphous material is

Lead
Glass
Zinc
Silver

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Engineering Materials
Constantan an alloy used in thermocouples is an alloy of

Copper and iron
Copper and tin
Copper and nickel
Copper and zinc

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Engineering Materials
Which is false statement about tempering? Tempering is done to

Improve machinability
Improve ductility
Release stresses
Improve toughness

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Engineering Materials
A small percentage of boron is added to steel in order to

Increase wear resistance
Increase hardenability
Increase endurance strength
Reduce machinability

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Engineering Materials
The ability of a material to absorb energy in the plastic range is called

Resilience
Toughness
Creep
Fatigue strength

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MORE MCQ ON Engineering Materials

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