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 material is stored at the bottom compartment of acetylene gas purifier ?
A) Filter wool B) Baffle plate
C) Pumice stone D) Purifying chemicals
Which safety device is fitted to avoid explosion of acetylene generator due to high
pressure ?
A) Cylinder valve B) Acetylene generator outlet pipe
C) Hydraulic back pressure valve D) Baffle plate
How the construction of a nozzle for gouging is identified ?
A) Straight nozzle with single preheating hole
B) Bent nozzle with sectorial preheating holes
C) Fully bent nozzle with circular preheating holes
D) Slightly bent nozzle with circular preheating six holes
When does the defect of gouging on cutting face takes place ?
A) Too much pre-heating
B) Too slow cutting speed
C) Excessive speed, inadequate pre-heating
D) Too much cutting oxygen pressure
What is the temperature in the weld area plasma arc welding process ?
A) 20,000 C to 30,000 C B) 30,000 C to 35,000 C
C) 15,000 C to 20,000 C D) 35,000 C to 40,000 C
Which electrode is used in plasma arc welding ?
A) Cast iron B) Mild steel
C) Tungsten D) Stainless steel
Which process cuts the stainless steel, carbon steel with the help of high jet velocity ?
A) Plasma arc process
B) Micro plasma cutting process
C) Key hole plasma process
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D) Non-transferred plasma arc