Fitting - 2. Basic Fitting Operation MCQ with Answers

Fitting - 2. Basic Fitting Operation MCQ with Answers

11) Which punch is used to locate the centre of drill point?

Answer is:

Centre punch

12) What is the formation on iron and steel caused by moisture and oxidation in atmospheric condition?

Answer is:

Rusting

13) What is the formation deposited on pipes due to hardness of water?

Answer is:

Scaling

14) What is the defect of slow and continuous degradation of metallic surface by chemical reaction?

Answer is:

Corrosion

15) What is the wear of metal pipe surface caused by impact of particles suspended in liquid?

Answer is:

Erosion