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
Which one of the below is to control distortion ?
A) Use large size electrode
B
) Use small size electrode
C) Use few passes with large electrode
)
D) Use more passes with small electrode
What is the percentage of carbon in medium carbon steel ?
A) 0.05% to 0.30% B) 0.05% to 0.8%
C) 0.30% to 0.6% D) 0.6% to 1.2%
In which type of arc welding machine, the parts of the commutators are fixed ?
A) Motor generator set B) Rectifier set
C) Transformer set D) Engine driven set
What should be the shade number of the filter glass to be used for arc welding with
150 amps current ?
A) Shade number-6 B) Shade number-8
C) Shade number-11 D) Shade number-22
What are the effect of arc length used for the long arc ?
A
B
0
D
Unstable arc
Correct metal deposition
Even burning of electrode
Wastage due to melting of electrode
Which one of the following metals cannot be welded by AC welding machine ?
A) Brass B) Cast iron
C) Mild steel D) High carbon steel
The capacity of an arc welding machine is indicated by
A) Input current in amps B) Closed circuit voltage
C) Output current in amps D) Open circuit voltage