‘Age hardening’ of duralumin is due to____________________?

Related Mcqs:

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...

Spark plugs, ignition tubes and electrodes are made of nickel ____________ alloys?

A. Beryllium B. Manganese C. Copper D. Iron...