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Engineering Materials

Engineering Materials
Depth of hardness of steel is increased by addition of

Vanadium
Chromium
Nickel
Tungsten

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Engineering Materials
Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is

Silver metal
Invar
Duralumin
Hastelloy

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Engineering Materials
The charge is fed into the blast furnace through the

Stack
Bosh
Tyres
Throat

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Engineering Materials
Which of the following is an amorphous material?

Mica
Lead
Glass
Silver

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Engineering Materials
Steel made from phosphate iron is

Tough
Hard
Brittle
Ductile

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Engineering Materials
Silicon when added to copper improves

Machinability
Hardness
Strength and ductility
Hardness and strength

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