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Engineering Materials

Engineering Materials
The property of a material which enables it to retain the deformation permanently, is called

Malleability
Ductility
Brittleness
Plasticity

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

Fatigue
Creep
Plastic deformation
Endurance

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Engineering Materials
Manganese in steel increases its

Tensile strength
Hardness
Fluidity
Ductility

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Engineering Materials
The property of a material due to which it breaks with little permanent distortion, is called

Brittleness
Plasticity
Malleability
Ductility

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Engineering Materials
Brass contains

70% copper and 30% zinc
70 - 75% copper and rest tin
90% copper and 10% tin
85 - 92% copper and rest tin with little lead and nickel

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Engineering Materials
Manganese is added in low carbon steel to

Make the steel ductile and of good bending qualities
All of these
Make the steel tougher and harder
Raise the yield point

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