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Engineering Materials

Engineering Materials
Taps dies and drills contain carbon

Below 0.5%
Above 2.2%
Above 1%
Below 1%

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

Duralumin
Hindalium
Y-alloy
Magnalium

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Engineering Materials
Super conduction by metals is observed in the temperature range of

Around 0°C
Above 100°K
Around 100°C
Below 10°K

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Engineering Materials
Closed packed hexagonal space lattice is found in

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

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Engineering Materials
Mild steel belongs to the following category

Medium carbon steel
High carbon steel
Alloy steel
Low carbon steel

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Engineering Materials
Gun metal contains

70% copper and 30% zinc
70 - 78% copper and rest tin
85 - 92% copper and rest tin with little lead and nickel
90% copper and 10% tin

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