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Materials and Construction

Materials and Construction
The softest material just next to talc in the Mho's scale is

Feldspar
Quartz
Gypsum
Fluorite

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Materials and Construction
Graphite is corroded by

None of these
Sulphuric acid (10%)
Hydrochloric acid
Sea water

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Materials and Construction
In drop forging process, the forging is done by dropping the __________ at high velocity.

Workpiece
Hammer
Weight on hammer
Die with hammer

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Materials and Construction
For storing water and acid free benzol, use a __________ vessel.

Steel
Stainless steel
Karbate
None of these

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Materials and Construction
Rubber lined pumps can be used to pump

Chlorinated brine
All of these
Hypochlorous acid
Caustic soda

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Materials and Construction
Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines?

Molybdenum steel
None of these
Silicon steel
Chromium steel

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