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Engineering Materials

Engineering Materials
Which of the following constituents of steels is softest and least strong?

Pearlite
Ferrite
Austenite
Cementite

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Engineering Materials
Lead is poured into the joint between two pipes. These pipes may be made of

Concrete
Cast iron
Asbestos cement
Vitrified clay

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Engineering Materials
The compressive strength of cast iron is __________that of its tensile strength.

None of these
Less than
Equal to
More than

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Engineering Materials
Vanadium in high speed steels

Forms very hard carbides and thus increases wear resistance
Promotes decarburisation
Promotes retention of austenite
Provides high hot hardness

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Engineering Materials
The material in which the atoms are arranged chaotically, is called

Mesomorphous material
None of these
Crystalline material
Amorphous material

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

White metal
Phosphor bronze
Silicon bronze
Monel metal

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