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Engineering Materials

Engineering Materials
The alloying element which can replace tungsten in high speed steels is

Nickel
Cobalt
Vanadium
Molybdenum

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Engineering Materials
Heavy duty leaf and coil springs contain carbon of the following order

0.01
0.008
0.002
0.005

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Engineering Materials
Corundum contains more than 95%

Al2O3
SiO2
Steel
MgO

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Engineering Materials
German silver is an alloy of

Nickel and copper
Nickel, Copper and zinc
Silver and some impurities
Refined silver

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Engineering Materials
Steel made from phosphate iron is

Ductile
Tough
Hard
Brittle

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Engineering Materials
Admiralty gun metal contains

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

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