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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Which metal transfer process in GMAW produces strong weld with least spatter ?
A) spray transfer B) globular transfer
C) dip transfer D) pulsed transfer
What ampere range required for setting 1.2 mm filler wire for welding mild steel in
MIG/MAG welding ?
A) 50-100 amps B) 70 - 120 amps
0) 90-150 ೩೧05 ൧) 100 - 225 amps
Which metal is welded with self-shielded type FCAW ?
A
B
0
) low alloy steel
) stainless steel
) carbon steel
D) different metal and different position
What is the trouble shooting to wire wrapping on drive rolls of wire feeder in GMAW ?
A) adjust drive rolls pressure
B) replace drive rolls and guide
C) check drive rolls align properly
D) replace the drive motor
What defect will occur in the weld metal, if the arc voltage and travel speed is low in
MIG/MAG welding ?
A) blow hole B) undercut
C) wire struck D) weld overlap
Which welding process is effective for nickel and titanium ?
A) arc welding B) tig welding
C) gas welding D) mig welding
What is the defect while TIG welding if the current is too low ?
A) crack B) porosity
C) undercut D) lack of fusion
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