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Materials and Construction

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

Brass
Nickel or copper
Zinc or magnesium
Bronze

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Materials and Construction
Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the __________ stress.

Yield point
Proof
None of these
Ultimate

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Materials and Construction
Sulphur melting pit in the sulphuric acid plant is made of

Lead lined stainless steel
Cast iron
Steel or cement-brick lined
Hard wood

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Materials and Construction
Brass container is suitable for storing

Aqueous ammonia
Beer
H₂SO₄(95%)
Phosphoric acid (95%)

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Materials and Construction
Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese.

44021
3.5-4.5
1.5-2
44179

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Materials and Construction
Ability of a material to absorb energy in deformation in the plastic range is characterised as its

Toughness
Creep
Resilience
Ductility

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