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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Junior Instructor (Welder) - Industrial Training ' And exam conducted in the year 2021. And Question paper code was '070/2021'. 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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070/21
Name the tool which will avoid the damage and impression on the metal sheets.
A) Ball peen hammer B) Cross peen hammer
C) Straight peen hammer D) Mallet
Which shade number of the filter glass is fitted in the helmet for MMAW ?
A) Shade number - 6 8) Shade number - 8
©) Shade number - 10 0) Shade number ~ 12
Which one of the following welding machine will supply alternating curved for welding ?
A) Rectifier set B) Transformer set
C) Engine driver generator set D) Motor generator set
Open circuit voltage of welding machine is
A) 18-40 ४ 8) 40 - 95 ४
©) 60 - 110 ४ 0) 130 - 170 V
The unit of electric resistance is called as
A) Volt B) Ohms
C) Joule D) Ampere
Weld metal deposited above the surface of the parent metal is called
A) Weld zone B) Sealing run
C) Packing run D) Reinforcement
Which kind of angle used to prepare the single bevel in M.S. material for welding
purpose ?
A) 25° B) 35°
C) 45° D) 60°
Ratio of oxygen to acetylene for complete combustion is
A) 1:1 B) 2:1
C) 1.5:1 0) 2.5 :1
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