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 '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.
. The stub end of an electrode should normal
A) 5% of electrode
C) 15% of electrode
. There are three pre-requisites for any fire o
the following is not included in the three pre
A) Fuel
C) Oxygen
3. In welding procedure, the PQR is stands for
A) Parent Quantity Record
C) Procedure Qualified Record
. Material difficult to be spot welded is
A) Copper
C) Carbon steel
. What is the name of fusion zone in spot we
A) Toe
C) Nugget
070/21
ly be not more than
B) 10% of electrode
D) 20% of electrode
£ explosion to take place. Which one of
-requisites ?
B) Nitrogen
D) Ignition
B) Present Quality Reading
D) Procedure Qualification Record
B) Mild steel
D) Stainless steel
ding ?
B) Crater
D) Shoulder
. In which process cutting is possible in all positions on location ?
A) Metal arc cutting
C) Plasma arc cutting
. The velocity of plasma arc cutting stream is
A) 500 m/sec.
©) 700 m/sec.
. In plasma arc welding, the working tempera
A) 10000°C - 15000°C
B) Carbon arc cutting
D) Oxygen acetylene cutting
B) 600 m/sec.
D) 800 m/sec.
ture is
B) 20000°C — 30000°C
C) 35000°C - 40000°C
D) 40000°C — 45000°C