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Engineering Materials

Engineering Materials
The machinability of steel is improved by adding

Sulphur, lead and phosphorus
Chromium
Nickel and chromium
Nickel

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Engineering Materials
The hardness and tensile strength in austenitic stainless steel can be increased by

Normalizing
Full annealing
Hardening and cold working
Martempering

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

2.1180555555556
40 : 60
2.5277777777778
0.88888888888889

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Engineering Materials
Which is false statement about normalizing? Normalizing is done to

Improve mechanical properties
Reduce segregation in casting
Induce stresses
Refine grain structure

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Engineering Materials
The steel widely used for motor car crankshafts is

Silicon steel
Nickel-chrome steel
Nickel steel
Chrome steel

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Engineering Materials
Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio

2.1180555555556
2.9375
40 : 60
30 : 70

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MORE MCQ ON Engineering Materials

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