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Engineering Materials

Engineering Materials
Which of the following has a fine gold colour and is used for imitation jewellery?

Silicon bronze
Aluminium bronze
Gun metal
Babbitt metal

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Engineering Materials
Addition of silicon to aluminium results in

Improvement of corrosion resistance
Improvement of casting characteristics
One of the best known age and precipitation hardening systems
Improving machinability

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Engineering Materials
When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of

Mainly ferrite
Pearlite and cementite
Ferrite and pearlite
Mainly pearlite

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Engineering Materials
Muntz metal contains copper and zinc in the ratio of

2.5277777777778
40 : 60
0.88888888888889
2.1180555555556

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Engineering Materials
A cold chisel is made of

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

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Engineering Materials
Aluminium bronze contains aluminium and copper in the ratio of

2.5277777777778
2.1180555555556
40 : 60
0.47916666666667

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MORE MCQ ON Engineering Materials

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