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 'Tradesman (Welding)' And exam conducted in the year 2022. And Question paper code was '111/2022'. 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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In the electroslag welding find the temperature of inside under the surface?
(A) 6 (ಇ)
(0)
(6) 198050
The reaction which takes place in thermit welding is :
Exothermic (8)
(0)
(A)
(C) Combustion
What is the temperature of thermit welding?
(A) 200010 ௫)
(€) 976050
(0)
165070
190070
Endothermic
Decomposition
2500°C
3000°C
In friction welding, the metal at the interface when joining occurs, is in:
(A) Elastic State (B)
(C) Liquid State
(D)
Plastic State
Intercritical State
Which welding process is performed in a vacuum without a shielding gas?
(4) Plasma arc welding (8)
(C) Electron beam welding (D)
Laser beam
SAW
By which process good penetration will occur while welding titanium?
(^) Arc welding (8)
(C) Electro slag welding (D)
What is the shape of seam welding electrode?
(ಹ) Pointed (B)
(C) Roller (D)
Electron beam welding
Gas welding
Rectangular
Flat
During the resistance welding, heat produced is proportional to :
(^) Voltage (B)
(0) Volt-ampere (D)
Which statement is used for submerged arc welding?
(A) Welding is done in vacuum (8)
(C) Bare wire electrode is used (D)
111/2022 6
Current
Temperature
Less metal deposition rate
Welding can be done in all positions