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Engineering Materials

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

Monel metal
White metal
Silicon bronze
Phosphor bronze

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Engineering Materials
Connecting rod is, usually, made from

Medium carbon steel
High speed steel
Low carbon steel
High carbon steel

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Engineering Materials
The machinability of aluminium increases when _________ is added to aluminium.

Magnesium
Lead and bismuth
Copper
Silicon

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Engineering Materials
When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces

Nodular cast iron
Alloy cast iron
White cast iron
Malleable cast iron

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Engineering Materials
When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite.

Less than
None of these
Equal to
More than

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Engineering Materials
The hardness of steel increases if it contains

Martensite
Austenite
Pearlite
Cementite

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