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Materials and Construction

Materials and Construction
Fatigue failure of a material may occur, when it is subjected to __________ stress.

Fluctuating
Tensile
Torsion
Compressive

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Materials and Construction
Tin coating on metals is not done by

Hot dipping
Spraying
Powder metallurgy
Electro-deposition

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Materials and Construction
High carbon steel contains more than __________ percent carbon.

2.5
0.5
2.2
2.8

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

Nickel or copper
Brass
Zinc or magnesium
Bronze

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Materials and Construction
Ceramic materials

All of these
Are poor electrical conductors due to lack of free electrons
Never exhibit polymorphism
Are exemplified by clay and mica

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

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

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