Kerala PSC Previous Years Question Paper & Answer
Page:8
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.
59.
60.
61.
62.
63.
64.
65.
66.
67.
Which metal in the welding process is subjected to the “Weld decay” defect?
(^) Aluminium (B) Copper
(C) Tin (D) Stainless steel
What does the third digit of AWS codification in EB 5426 HJX represent?
(^) Type of current (B) Type of covering
(C) Type of tensile strength (D) Type of welding position
What is the cause of hairline separation in the bead in arc welding?
(4) Fast cooling (B) Slow cooling
(C) Long arc length (D) Wrong selection
Which type of arc length produces poor penetration?
(ಹ) Long arc length (B) Short arc length
(C) Normalarc length (D) Too long are
What procedure is to be followed for welding pipes under the 6G position?
(A) Pipe not rotated weld vertical
(B) Rotate pipe and deposit weld vertical
(C) Pipe not rotated weld deposit horizontal
(D) Pipe not rotated and pipe axis 45° angle deposit weld flat, vertical
What is the effect of expansion and contraction due to heat in welding?
(^) Peening (B) Arc blow
(C) Distortion (D) Metal force
What is the welding defect in base metal gets melted and a groove formed along the toe of the
weld?
(^) Undercut ൯) Blow holes
(C) Reinforcement (D) Lack of penetration
What type of lens shade is to be fixed in the helmet while doing MIG welding?
(A) A#09 (B) A#10
(©) A#11 (D) A#12
Which shielding gas is used in MIG welding?
(A) Argon (B) Argon + 20% COz
(C) Argon + 1% oxygen (D) Argon + 10% hydrogen
111/2022 10 A