Materials MCQ with Answers

Materials MCQ with Answers

16) Which among the following metals is least corrosive ?

Answer is:

Gold

17) Which one of the following is NOT considered "noble" ?

Answer is:

Tin

18) In the process of calorising, which type of powder is used for protection against corrosion ?

Answer is:

Aluminium powder

19) Which one of the following processes involves pressing or rolling sheets together under high pressure ?

Answer is:

Cladding

20) In the process of sherardising, which type of powder is used to form a corrosion-resistant coating ?

Answer is:

Zinc powder