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Materials and Construction

Materials and Construction
The range of Mho's scale of hardness is from

0 to 10
1 to 8
1 to 15
1 to 10

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Materials and Construction
Anodic material used for the cathodic protection of underground buried steel pipeline is

Bronze
Brass
Nickel or copper
Zinc or magnesium

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Materials and Construction
Plasticisers are added to polymers to improve their

Softness & flexibility
Tensile strength
Alkali resistance
Acid resistance

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Materials and Construction
The behaviour of visco-elastic material is time dependent. This behaviour is commo in __________ materials.

Non-crystalline organic polymeric
Crystalline
Rubberry
Non-crystalline solid

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

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

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Materials and Construction
Brine (15% concentration) can be stored in a vessel made of

None of these
Cast iron
Monel
Karbate

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