Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'TRAINING INSTRUCTOR (WELDER)' And exam conducted in the year 2023. And Question paper code was '136/2023'. 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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136/23
What is the grade of hacksaw blades with pitch 0.8 mm ?
A) Fine B) Medium
C) Coarse D) Rough
How is the electrode size identified ?
A) Length of electrode
B
0
0
)
) Thickness of flux coated
) Diameter (overall) of electrode
) Diameter of inner core wire
Which type of tungsten electrode is suitable for welding of stainless steel by tig
process with DC ?
A) Pure tungsten electrode
B) Cerium tungsten electrode
C) Thoriated tungsten electrode
D) Zirconium tungsten electrode
Inert gases which one produce the deepest penetration in tig welding process ?
A) Oxygen 8) 002
C) Helium D) Argon
Helium gas is best suited for welding thicker metals because
A) high gas volume B) high arc voltage
C) low gas volume D) low arc voltage
Helium is times lighter than Argon.
A) six B) eight
C) ten D) twelve
What is the usual torch angle tilt on either side of vertical in GMAW ?
A) 10൦ - 20൦ 8) 20൦ - 25°
C) 25° — 305 D) 30° — 35°