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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Tradesman (Welding)' And exam conducted in the year 2022. And Question paper code was '111/2022'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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How many types of metal transfer in GMAW/COz welding process?
(A) One (B) Two
(C) Three (D) Four
Which is an important link between the power source and the welding gun in MIG welding?
(^) Wire feed unit ൯) Electrode holder
(C) Nozzle (D) Earth clamp
What is the usual torch angle tilt on either side of vertical in GMAW?
(A) 10°— 20° (B) 20° — 25°
(€) २5० - 30° (0) 307-385
What is the solution if burn back occurs due to irregular wire feeding in the GMAW process?
(A) Cut out kink wire (B) Replace of spool
(C) Cut the kink wire and replace spool (D) Adjusted to the kinked wire again
Which type of core wire is suitable for welding carbon steel, alloy steel, and stainless steel
under FCAW?
(^) Flux-cored electrode (B)_ Gas shield flux wire
(C) Used flux core and gas shielded (D) Filwx is external and shielded
Why the argon and COz mixture is used in FCAW?
(A) Smooth spray transfer, with minimum slag
(B) Smooth globular transfer
(C) Smooth pulsed transfer
(D) Smooth dip transfer
Which electrode wire is more suitable for carbon steel fabrication in the GMAW process?
(A) 708 -6 (8) ൯൪൩൭
(0 708 -2 (D) 708 -3
Which type of electrode provides protective slag in flux-cored arc welding?
(^) Tubular cored flux electrode (B) External cored electrode
(C) Additional cored flux electrode (D) Shielding gas type only
11 111/2022
[P.T.0.]