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MATERIALS AND CONSTRUCTION

Materials and Construction
Nickel (76%) and chromium (15%) alloys are termed as

Brass
Inconel
Aluminium bronzes
Monel

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Materials and Construction
Karbate is

An acid resistant material
Carbon impregnated with resin (usually bakelite)
Both B and C
A mixture of iron dust and saw dust

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Materials and Construction
Kel-F is a material, which is

All of these
Having excellent chemical & high temperature resistance (upto 200°C)
Chemically known as polychlorotrifluor-oethylene (PTFE)
Having elastomeric properties

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Materials and Construction
Hot working of lead is carried out at

Room temperature
373° K
150° C
75° C

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Materials and Construction
A chemical change takes place when iron

Melts
Rusts
None of these
Is heated

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