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Engineering Materials

Engineering Materials
Eutectoid reaction occurs at

1147°C
723°C
1493°C
600°C

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Engineering Materials
Beryllium bronze contains

99% copper and 1% beryllium
80% copper and 20% beryllium
60% copper and 40% beryllium
97.75% copper and 2.25% beryllium

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

White metal
Phosphor bronze
Monel metal
Silicon bronze

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Engineering Materials
The alloying element which can replace tungsten in high speed steels is

Vanadium
Molybdenum
Cobalt
Nickel

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Engineering Materials
The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will

Remain same
First increase and then decrease
Increase
Decrease

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Engineering Materials
Dislocations in materials refer to the following type of defect

Plane defect
Point defect
Line defect
Volumetric defect

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