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Engineering Materials

Engineering Materials
Pipes for bicycle frames are made of

Hot rolled steel
Cast steel
Cold rolled steel
Forged steel

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

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

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Engineering Materials
Neutral solution is one which has pH value

pH value has nothing to do with neutral solution
Equal to 7
Less than 7
Greater than 7

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Engineering Materials
Which of the following elements does not impart hardness to steel?

Nickel
Copper
Chromium
Silicon

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Engineering Materials
The metal suitable for bearings subjected to light loads, is

Silicon bronze
Monel metal
Phosphor bronze
White metal

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Engineering Materials
Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio

30 : 20 : 30 : 20
40 : 30 : 20 : 10
50 : 20 : 20 : 10
50 : 20 : 10 : 20

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