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Engineering Materials

Engineering Materials
Bronze is an alloy of

Copper and tin
Copper and zinc
Copper, tin and zinc
None of these

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Engineering Materials
In malleable iron, carbon is present in the form of

Free carbon
Flakes
Cementite
Nodular aggregates of graphite

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Engineering Materials
Manganese is added in low carbon steel to

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

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Engineering Materials
In nodular iron, graphite is in the form of

Flakes
Cementite
Free carbon
Spheroids

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Engineering Materials
Beryllium bronze contains

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

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

Increase wear resistance
Reduce machinability
Increase endurance strength
Increase hardenability

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MORE MCQ ON Engineering Materials

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