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Engineering Materials

Engineering Materials
Age hardening is related to

Duralumin
Brass
Silver
Copper

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Engineering Materials
The silicon steel is widely used for

Cutting tools
Motor car crankshafts
Generators and transformers in the form of laminated cores
Connecting rods

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Engineering Materials
Ductility of a material can be defined as

Ability to undergo large permanent deformations in compression
Ability to recover its original form
Ability to undergo large permanent deformations in tension
All of these

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Engineering Materials
The ratio of the volume occupied by the atoms to the total volume of the unit cell is called

Atomic packing factor
None of these
Coordination number
Space lattice

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Engineering Materials
Manganese in steel increases its

Tensile strength
Fluidity
Ductility
Hardness

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Engineering Materials
Beryllium bronze contains

80% copper and 20% beryllium
99% copper and 1% beryllium
97.75% copper and 2.25% beryllium
60% copper and 40% beryllium

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