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Materials and Construction

Materials and Construction
The damage/deterioration of metals by the __________ action of fluids is called 'erosion'.

Both A & B
Abrasive
Neither A nor B
Corrosive

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Materials and Construction
Acid proof stoneware

Cannot be heated
All of these
Is broken by small temperature changes
Has very low strength

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Materials and Construction
Tin in its pure form is used for making

Cans for food packing
All of these
Collapsible tubes for toilet preparations
Foil for wrapping cheese

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Materials and Construction
Nickel made/clad equipments are suitable for handling

Nitric acid & hydrochloric acid (conc)
Fruit juices, milk & its products and caustic soda solution
Sulphuric acid (conc)
Ammonia (both aqueous & anhydrous)

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Materials and Construction
Gas holder of a gobar (cowdung) gas plant is made of

Mild steel
Aluminium
Molybdenum stainless steel
Tin

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Materials and Construction
The ability of a material to absorb energy in the elastic range is a measure of its

Brittleness
Toughness
Resilience
Malleability

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