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Engineering Materials

Engineering Materials
A cold chisel is made of

Cast iron
Mild steel
High carbon
H.S.S.

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Engineering Materials
Beryllium bronze contains

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

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Engineering Materials
White metal contains

88% copper and 10% tin and rest zinc
Silver and chromium
63 to 67% nickel and 30% copper
Alloy of tin, lead and cadmium

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Engineering Materials
There are fourteen atoms in a unit cell of

Face centered cubic space lattice
Close packed hexagonal space lattice
Body centered cubic space lattice
None of these

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

Increase wear resistance
Increase endurance strength
Increase hardenability
Reduce machinability

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Engineering Materials
Which is the false statement about wrought iron? It has

High resistance to rusting and corrosion
Ability of hold protective coating
Uniform strength in all directions
High ductility

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MORE MCQ ON Engineering Materials

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