ISRO Technician-B Welder Question Paper - 2017 (Set -1) with Answer Key

ISRO Technician-B Welder Question Paper - 2017 (Set -1) with Answer Key

31) In arc welding process, the current employed is decided by

Answer is:

Size of the electrode

32) In manual GTAW process, the angle of the electrode holder with the direction of welding is normally

Answer is:

70 degree

33) Arc length in an arc welding process should be nearly equal to

Answer is:

Diameter of the electrode (d)

34) The shade number of coloured glass generally used in a welding hand screen for current upto 100 A is

Answer is:

8 - 9

35) Metal active gas arc welding process uses

Answer is:

Carbon dioxide

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