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Materials and Construction

Materials and Construction
The fermentor used in the production of pencillin (by deep fermentation process) is made of

High silicon cast iron
Glass
Procelain
Glass lined steel

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Materials and Construction
The carbonating tower used in Solvay process of soda ash manufacture is made of

Lead lined steel
Karbate
Cast iron
Stainless steel

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Materials and Construction
Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and

Moving mercury and crimped steel wire
Moving mercury and graphite
Graphite and moving mercury
Moving mercury and carbon

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Materials and Construction
__________ is used for determining the tensile strength of steels.

None of these
Universal testing machine
Hydraulic press
Mechanical press

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Materials and Construction
Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its

Tensile strength
Compressive strength
Corrosion resistance
Machinability

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Materials and Construction
The process of coating steel sheets by zinc to improve its corrosion resistance is called

Calorising
Tempering
Zincification
Galvanising

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