An alloy used as thermocouple material comprises of 40% nickel and 60% copper. It is called____________________?

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Wrought iron is a suitable material of construction for handling _____________ solutions?

A. Dilute acidic B. Concentrated acidic C. Alkalis & alkaline D. None of these...

Anodic material used for the cathodic protection of underground buried steel pipeline is_________________?

A. Nickel or copper B. Zinc or magnesium C. Bronze D. Brass...

Which of the following is produced by condensation polymerisation ?

A. Bakelite B. Polythene C. Poly vinyl chloride D. Polystyrene...

Carbon content in plain carbon steel is ______________ percent?

A. 0.1 to 0.15 B. 0.35 to 0.45 C. 0.65 to 0.80 D. 0.85 to 1.2...

Galvanising (i.e., zinc coating) of steel sheets is done to______________________?

A. Prevent its rusting by contact with corrosive atmosphere B. Protect the base metal by cathodic protection C. Both A. & B. D. Neither A. nor B....