1.  too high welding current

2.  carburising flame

3.  netutral flame

4.  both (a) and (b)

4
Correct Answer :

too high welding current


Explanation :
No Explanation available for this question

1.  high welding speed

2.  dirty metal surface

3.  improper current

4.  lock of flux

4
Correct Answer :

improper current


Explanation :
No Explanation available for this question

1.  high welding speed

2.  low welding speed

3.  wrong size speed

4.  poor base metal

4
Correct Answer :

poor base metal


Explanation :
No Explanation available for this question

1.  A.C. current

2.  D.C. current

3.  both(a) and(b)

4.  none of these

4
Correct Answer :

D.C. current


Explanation :
No Explanation available for this question

1.  spot welding

2.  seam welding

3.  forge welding

4.  laser welding

4
Correct Answer :

forge welding


Explanation :
No Explanation available for this question

1.  TIG welding

2.  MIG welding

3.  Laser welding

4.  Plasma welding

4
Correct Answer :

Laser welding


Explanation :
No Explanation available for this question

1.  thermit welding

2.  arc welding

3.  laser welding

4.  all of these

4
Correct Answer :

laser welding


Explanation :
No Explanation available for this question

1.  2 mm

2.  3 mm

3.  6 mm

4.  10 mm

4
Correct Answer :

3 mm


Explanation :
No Explanation available for this question

1.  heavy industry

2.  structural work

3.  process industry

4.  electronic industry

4
Correct Answer :

electronic industry


Explanation :
No Explanation available for this question

1.  Little preparation is required for joints

2.  Dissimilar metal can be welded

3.  It is best suited for welding of plastics

4.  Any type of configuration can be welded

4
Correct Answer :

Any type of configuration can be welded


Explanation :
No Explanation available for this question

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