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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In which welding process, the thicker steel sections can be welded in a single pass
in vertical position ?
A) SAW
B) SMAW
௦) GMAW
D) Electro slag and electro gas welding
In SAW process, use of run on and run off pieces for starting and ending is to avoid
A) Crack B) Porosity
C) Undercut D) Formation of crater
What is the purpose of post-heating in certain welded jobs ?
A) To reduce the toughness
B) To increase the toughness
C) To reduce hardness and brittleness
D) To increase hardness and brittleness
Pre-heating and post-heating is essential in welding of
A) Cast iron B) German silver
C) Stainless steel D) High speed steel
Which kind of welding can be reduced the width of heat affected zone ?
A) SAW B) Gas welding
C) Thermit welding D) Atomic hydrogen welding
If the weld metal melting completely through base metal, which resulting
A) Crack B) Undercut
C) Burn through D) Lack of fusion
Which type of edge preparation is prepared to do for 25 mm plate in manual CO,
dip transfer ?
A) Single ‘u’ 8) Double '
C) Double ‘v’ D) Double ‘u’
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