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Engineering Materials

Engineering Materials
Gamma-iron occurs between the temperature ranges of

900°C to 1400°C
400°C to 600°C
1400°C to 1530°C
600°C to 900°C

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Engineering Materials
Body centered cubic space lattice is found in

Zinc, magnesium, cobalt, cadmium, antimony and bismuth
None of these
Alpha iron, tungsten, chromium and molybdenum
Gamma iron, aluminium, copper, lead, silver and nickel

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Engineering Materials
Maximum percentage of carbon in ferrite is

0.001
0.0025
0.0006
0.00025

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Engineering Materials
Admiralty gun metal contains

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

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Engineering Materials
Iron ore is usually found in the form of

Oxides
All of these
Carbonates
Sulphides

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Engineering Materials
Pipes for bicycle frames are made of

Cold rolled steel
Forged steel
Cast steel
Hot rolled steel

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