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Materials and Construction

Materials and Construction
Chromel (Nichrome) is an alloy of

Nickel and chromium
Molybdenum and nickel
Chromium and molybdenum
Chromium and aluminium

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Materials and Construction
Zircalloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium

Tin, nickel, iron and chromium
And graphite
And copper
None of these

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Materials and Construction
Nickel and copper are the basic constituents of

Hastelloy
Inconel
German silver
Monel metal

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Materials and Construction
The electrical conductivity of a __________ decreases with rise in temperature.

Semi-conductor
Dielectric
None of these
Metal/alloy

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Materials and Construction
To improve the machinability of steel by its softening, it is subjected to

Annealing
Cold working
Heating
Shot blasting

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Materials and Construction
Which of the following commercial metals is most abundantly found in India?

Copper
Nickel
Aluminium
Zinc

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