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Engineering Materials

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

Monel metal
White metal
Phosphor bronze
Silicon bronze

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Engineering Materials
Constantan an alloy used in thermocouples is an alloy of

Copper and nickel
Copper and tin
Copper and zinc
Copper and iron

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

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Engineering Materials
Age hardening is related to

Duralumin
Brass
Copper
Silver

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Engineering Materials
Corrosion resistance of steel is increased by adding

Nickel and molybdenum
Aluminium and zinc
Chromium and nickel
Tungsten and sulphur

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Engineering Materials
Hardness of lower bainite (tempered martensite) is about

RC 80
RC 48
RC 65
RC 57

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