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Engineering Materials

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

Monel metal
Silicon bronze
White metal
Phosphor bronze

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Engineering Materials
The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is

Vanadium
Cobalt
Chromium
Nickel

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Engineering Materials
An eutectoid steel consists of

Pearlite and cementite
Wholly austenite
Wholly pearlite
Pearlite and ferrite

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Engineering Materials
Delta iron occurs at temperature of

Above melting point
Room temperature
Between 910°C and 1400°C
Between 1400°C and 1539°C

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Engineering Materials
Nodular iron has

High tensile strength
High machinability
Low melting point
All of these

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Engineering Materials
In mottled cast iron, carbon is available in

Partly in free and partly in combined state
Nodular form
Combined form
Free form

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