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Materials and Construction

Materials and Construction
Silicon percentage in iron castings to have maximum hardness should be about

0.3
2.5
0.8
0.5

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Materials and Construction
The digester of a Gobar gas plant is a

Cast iron vessel
Stainless steel vessel
Masonry well
Mild steel drum

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

Karbate
Steel
Stainless steel
None of these

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Materials and Construction
Perspex is nothing but

An alloy of lead and tin
An elastomer
Aluminium foil clad with bakelite
Acrylic sheet

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Materials and Construction
Muntz metal is a/an alloys of

Lead & tin
Magnesium & tin
Copper & zinc
Ferrous material

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Materials and Construction
The high expansion metal normally used in the bimetallic thermometer is __________ temperature measurement.

Brass for low
Aluminium for all
Nickel alloys for high
Both A & B

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