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 TECHNICAL EDUCATION' And exam conducted in the year 2016. And Question paper code was '150/2016'. 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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If main electric supply is not available, we can do arc welding with
(8) Motor generator set (8) Transformer set
(८) Engine generator set (D) மள ٢٭د
The amount of current setting for welding depends upon
(A) The thickness of plate (B) The type of current AC/DC
(0) Type of metal to be weld (D) The diameter of electrode used
While selecting straight polarity
(ക) Electrode is connected to positive side
(ए) Base metal connected to positive side
(©) 1/3 heat developed in base metal
(D) 2/3" heat developed in electrode
The arc welding transformer isa transformer,
(A) Step down (8) Step up
{©} One to cne (D) Increasing voltage
The easy position to weld is
(A) Flat (8) Vertical (೮) Horizontal (D) 0۷۰۶۶۵84۵
During over head welding it is more convenient to use
(A) Welding goggles (8) Helmet
(C) Hand screen (1) Sun glass
Depth of fusion from the surface of the weld metal is known as
(2) Fusion zone (8) Heat affected zone
(C) Throat thickness (D) Leg length
Electrode connected to positive terminal :
(A) Straight polarity (8) Wrong polarity
(C) Reverse polarity (D) Electrode to holder
150/2016 10
