Gas Metal Arc Welding MCQ with Answers

Gas Metal Arc Welding MCQ with Answers

81) How much time it takes for the thermit mould to cool, after welding by thermit process?

Answer is:

12 Hrs

82) What is the reason that obstructed joints cannot be welded by electron beam welding process?

Answer is:

Electron beam travel only in straight line

83) How much gas flow rate is required to weld a butt joint with 0.8 mm dia MS filler rod of wire feed rate 3 - 4 m/min at 18 to 20 volts?

Answer is:

8 to 10 Lpm

84) What should be the initial angle of two plates in a T joint if the final angle between them is 90 Degree after completion of welding?

Answer is:

93 Degree

85) What is percentage of deposition efficiency in FCAW process?

Answer is:

80% to 86%

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