Kerala PSC Previous Years Question Paper & Answer
Page:7
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Tradesman (Plumber) - Technical Education ' And exam conducted in the year 2022. And Question paper code was '094/2022'. 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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Colour cod of hot water supply lines
(^) Red (B) Yellow
(C) Green (D) Blue
To prevent under wastage of water tap is used.
(^) Self closing (B) Bib
(C) Butterfly ൯൬) Piller
Twin stage jet pumps are designed for suction lift of the order of ل to
m.
(A) 24 to 50 ௫ 0
(0 50to60 (D) 18 to 22
(A) Priming
(C) Remove air
(A) Middle
(C) Top
(^) Cap nut
(C) Round nut
Example of permanent fastening is
(A) Nut and Bolt
(C) Welded joint
of the oxy acetylene flame.
(A) Induction brazing
(C) Furnace brazing
Lock nut system is used for
(A) 7൦ avoid loosening by vibration
(0) Easily tightening
Hot water taps are generally identified with red spot on
The first step in the operation of a centrifugal pump is
(3) Valve opening
(D) Switch on
of tap.
(B) Mouth
(D) (A) and (8)
The nut are used in temporary fastening which requires frequent removal and fixing
(B) Wing nut
(D) Hexagonal nut
(B) Keys
(D) Screwed joint
This type of brazing, the base metal is heated to the required temperature by the application
(B) Dip brazing
(0) Torch brazing
(B) To avoid rusting
(D) Easy dismantling
This type of joint will have two rows of rivets. The overlap is large enough to accommodate
two rows of rivets.
(^) Single strap butt joint
(C) Single rivetted lap joint
(B) Double strap butt joint
(D) Double rivetted lap joint
094/2022
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