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Engineering Materials

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

2.5277777777778
40 : 60
0.47916666666667
2.1180555555556

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Engineering Materials
Cartridge brass can be

Cold rolled into sheets
Drawn into wires
Any one of these
Formed into tube

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Engineering Materials
Age hardening is related to

Duralumin
Silver
Copper
Brass

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Engineering Materials
Addition of manganese to aluminium results in

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

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Engineering Materials
When low carbon steel is heated up to upper critical temperature

The grain size first increases and then decreases very rapidly
The average grain size is a minimum
The grain size increases very rapidly
There is no change in grain size

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Engineering Materials
Crystal structure of a material is, generally, examined by

Optical microscope
Metallurgical microscope
Naked eye
X-ray techniques

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MORE MCQ ON Engineering Materials

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