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Materials and Construction

Materials and Construction
With increase in carbide/graphite ratio in cast iron, its

Hardness & brittleness increases
Both A & B
Ductility decreases
Neither A nor B

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Materials and Construction
Soap kettle used in the production of laundry soap is made of

Steel with top section nickel clad or stainless steel
Nickel
Cast iron
Concrete

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Materials and Construction
Presence of high amount of silicon in cast iron

Suppresses the decomposition of Fe₃ C
Increases the formation of graphite
Increases the contraction of the metal
Reduces its fluidity

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Materials and Construction
Mild steel storage vessels are suitable for the storage of

Hydrochloric acid (95%)
Sulphuric acid (25%)
Anhydrous ammonia
Fatty acids

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Materials and Construction
Evaporator used for concentrating tomato juice is made of

Brass
Cast iron-rubber lined
Nickel
Stainless steel-glass lined

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Materials and Construction
Galvanising is generally done on

Cast iron
Non-ferrous metals
Low carbon steel
Stainless steel

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