Ques1.Explain the necessity of hard facing .
Ques2. Describe the method of preparation for hard facing .
Ques3. Describe the various hard facing alloys
Ques4. Explain the advantages of hard facing.
Ques5.Explain Hard facing with MMAW process.
Ques6.Explain the purpose of surfacing/metal build up.
Ques7. Describe the different applications of surfacing.
Ques8. Describe the factors that cause wear .
Ques9. Describe the method of surfacing by the M.M.A.W. process .
Ques10.State the different surfacing methods.