REPAIR AND MAINTENANCE - Practice Mode

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

Shielded metal arc welding Tig welding MIG welding Submerged arc welding

Correct Answer: Shielded metal arc welding

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

TIG welding MIG welding Oxy-acetylene welding Submerged arc welding

Correct Answer: Oxy-acetylene welding

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

It should temperature It should be hard faced It should be heat treated It should be peened

Correct Answer: It should be hard faced

4) What is the advantage of hard facing ?

To increase the labour cost To increase idle time of plant To decrease mechanical efficiency To increase mechanical operating efficiency

Correct Answer: To increase mechanical operating efficiency

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

Cast iron Mild steel Aluminium Chromium and tungsten carbide

Correct Answer: Chromium and tungsten carbide

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