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Engineering Materials

Engineering Materials
Which is false statement about case hardening? Case hardening is done by

Electroplating
Cyaniding
Induction hardening
Nitriding

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Engineering Materials
Hardness of lower bainite (tempered martensite) is about

RC 57
RC 80
RC 65
RC 48

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

Creep
Fatigue strength
Resilience
Toughness

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Engineering Materials
Slow plastic deformation of metals under a constant stress is known as

Plastic deformation
Endurance
Creep
Fatigue

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Engineering Materials
Tungsten in high speed steel provides

Toughness
Hot hardness
Wear resistance
Sharp cutting edge

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Engineering Materials
Which of the following property is desirable in parts subjected to shock and impact loads?

Toughness
Stiffness
Strength
Brittleness

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