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Materials and Construction

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

Feldspar
Gypsum
Fluorite
Quartz

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Materials and Construction
Which of the following is the easiest to bend?

Cast iron
Wrought iron
Steel
Stainless steel

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Materials and Construction
Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing.

Bismuth
Arsenic
Antimony
Oxygen

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Materials and Construction
Brine solution is stored/treated in __________ lined vessels/pipes.

Nickel
Glass
Rubber
Lead

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Materials and Construction
Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of __________ as mercury does not amalgamate with it.

Stainless steel
Copper
Monel
Copper alloys

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Materials and Construction
The heat treatment process to which castings and the steel balls produced by cold heading are subjected is

Normalising
Tempering
Annealing
None of these

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