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Engineering Materials

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

Less than
More than
None of these
Equal to

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Engineering Materials
1841 high speed steel contains

None of these
Vanadium 4%, chromium 18% and tungsten 1%
Vanadium 1%, chromium 4% and tungsten 18%
Vanadium 18%, chromium 1% and tungsten 4%

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Engineering Materials
Shock resisting steels should have

Low hardness
Low wear resistance
Toughness
Low tensile strength

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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

First increase and then decrease
Decrease
Remain same
Increase

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Engineering Materials
The crystal structure of brass is

F.C.C.
C.C.
H.C.P.
Orthorhombic crystalline structure

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Engineering Materials
Eutectoid reaction occurs at

1493°C
723°C
600°C
1147°C

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