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Engineering Materials

Engineering Materials
The blade of a power saw is made of

High speed steel
Stainless steel
Malleable cast iron
Boron steel

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Engineering Materials
Quenching is not necessary when hardening is done by

Case hardening
Flame hardening
Nitriding
Any one of these

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Engineering Materials
1841 high speed steel contains

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

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

More than
Equal to
Less than
None of these

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Engineering Materials
Chilled cast iron has

A low percentage of graphite
Graphite as its basic constituent of composition
No graphite
A very high percentage of graphite

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Engineering Materials
Blast furnace is used to produce

Wrought iron
Pig iron
Steel
Cast iron

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