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Engineering Materials

Engineering Materials
Nickel when added to copper improves

Machinability
Hardness and strength
Hardness
Strength and ductility

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Engineering Materials
Maximum percentage of carbon in austenite is

0.0026
0.017
0.008
0.00025

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

0.01
0.002
0.008
0.005

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Engineering Materials
The portion of the blast furnace below its widest cross-section is called

Hearth
Throat
Stack
Bosh

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Engineering Materials
Connecting rod is usually made of

Low carbon steel
Aluminium
High carbon steel
Medium carbon steel

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Engineering Materials
The aluminium alloy, mainly used, for anodized utensil manufacture, is

Hindalium
Y-alloy
Duralumin
Magnalium

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