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.
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070/21
In FCAW, what is the percentage of metal deposition of efficiency ?
A) 60% - 65% 8) 70% - 75%
©) 80% - 86% D) 90% - 98%
In GTAW process, the torch nozzle is made of
A) Lead B) Copper
C) Ceramic D) Aluminium
State the purpose of using a gas heater.
A) To increase the gas velocity
B) To remove impurities from CO, gas
C) To improve inert property of CO, gas
D) Prevent freezing of moisture present in the regulator
Which one of the following statement is correct in the selection of the wire electrode ?
A) Joint position of weld metal
B) Physical properties of weld metal
C) Chemical properties of weld metal
D) Mechanical properties of weld metal
GMAW process 0.8 mm dia. electrode is mild steel welding spray arc transfer the
current and voltage range is
A) 80-100 Amps, 16 - 22 V 8) 100 - 225 Amp, 17 - 22 \/
C) 150 - 265 Amps, 24 - 28 V 0) 275 - 500 Amps, 24 - 32 V
Which of the following is the only GMAW process parameter ?
A) Long are B) Stick out
©) Short ೩೦ D) Damp electrode
In GMAW process, the dip transfer voltage is
A) 10-15 ४ 8) 16-22V
C) 23-22 ४ 0) 28-30 ४