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Engineering Materials

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

Duralumin
Hindalium
Y-alloy
Magnalium

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Engineering Materials
Taps dies and drills contain carbon

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

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Engineering Materials
In the lower part of the blast furnace (zone of fusion), the temperature is

1200°C to 1300°C
1500°C to 1700°C
800°C to 1000°C
400° to 700°C

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Engineering Materials
The steel widely used for motor car crankshafts is

Nickel steel
Chrome steel
Silicon steel
Nickel-chrome steel

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Engineering Materials
The transistor is made of

Copper
Germanium
Silver
Gold

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Engineering Materials
Chromium when added to steel _________ the tensile strength.

Does not effect
Increases
None of these
Decreases

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