Welding - Welding objective questions and answers

6. Submerged arc welding is.......

   A.A process which uses a mixture of iron oxide and granular aluminium

   B.Accomplished by maintaining a hot molten metal pool between plates

   C.A process in which arc is maintained under a blanket of flux

   D.All of the above

7. The electroslag welding is.......

   A.A process which uses a mixture of iron oxide and granular aluminium

   B.Accomplished by maintaining a hot molten metal pool between plates

   C.A process in which arc is maintained under a blanket of flux

   D.There is nothing called electroslag

8. Arc-welding uses following electric supply .........

   A.A.C.

   B.D.C.

   C.Both AC and DC

   D.Spiral waveform

9. The most commonly used flame in gas welding is......

   A.Neutral

   B.Oxidising

   C.Carburising

   D.All of the above

10. Thermit welding.......

   A.A process which uses a mixture of iron oxide and granular aluminium

   B.Accomplished by maintaining a hot molten metal pool between plates

   C.A process in which arc is maintained under blanket of flux

   D.In no welding process

< 1 2 3 4 5 6 7 8 Next>