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Materials and Construction

Materials and Construction
Shock resisting steels should possess high

Wear resistance
Tensile strength
Toughness
Hardness

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Materials and Construction
Galvanised iron is

Protected from rusting
Harder
Alumina coated iron
None of these

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Materials and Construction
Wrought iron is a suitable material of construction for handling __________ solutions.

Concentrated acidic
Alkalis & alkaline
None of these
Dilute acidic

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Materials and Construction
Fermenter used in the production of pen-cillin by deep fermentation proces is a __________ lined steel vessel

Rubber
Monel
Glass
Nickel

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Materials and Construction
__________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working.

Strain ageing
Screw dislocation
Twinning
Solid solution hardening

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Materials and Construction
The material used in the filament of electric bulbs is

Constantan
Nichrome
German silver
Tungsten

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