Repair and Maintenance MCQ with Answers

Repair and Maintenance MCQ with Answers

21) Which method, surfacing can be done in any position or in any location?

Answer is:

Shielded metal arc welding

22) Which metal surfacing method is ideal for thin layers, which can flow to corner and edges of the job?

Answer is:

Oxy-acetylene welding

23) Which process is suitable and gives independence when there is a shortage of part?

Answer is:

It should be hard faced

24) What is the advantage of hard facing ?

Answer is:

To increase mechanical operating efficiency

25) Which electrodes are used to resist abrasion for hard facing in MMAW process?

Answer is:

Chromium and tungsten carbide