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Engineering Materials

Engineering Materials
Solder is an alloy consisting of

Tin and copper
Tin and lead
Lead and zinc
Tin, antimony, copper

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Engineering Materials
The blade of a power saw is made of

Stainless steel
Boron steel
Malleable cast iron
High speed steel

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Engineering Materials
Depth of hardness of steel is increased by addition of

Nickel
Tungsten
Vanadium
Chromium

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Engineering Materials
The usual composition of a soldering alloy is

Tin and lead
Tin, lead and silver
Tin, lead and small percentage of antimony
Tin and copper

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Engineering Materials
In malleable iron, carbon is present in the form of

Free carbon
Cementite
Flakes
Nodular aggregates of graphite

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Engineering Materials
Crystal structure of a material is, generally, examined by

Optical microscope
Naked eye
X-ray techniques
Metallurgical microscope

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