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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 (Plumber)' And exam conducted in the year 2023. And Question paper code was '167/2023'. 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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Size 2 water meters nominal size of :
(^) 15 and 20 mm (B) 20 and 25 mm
(C) 25 and 32 mm (D) 40 and 50 mm
The sluice valve generally placed at the distance of about —-———— interval.
(A) 100mto 150m (8) 100 mto 200m
(€) 150 mto 250m (0) 300 to 500m
What is the reason of defect of the Bib tap spindle continuously slipping when tap is turned
and does not shut off?
(^) Spindle thread worn out (B) Check nut loose
(C) Defective seating ൯) Gland nut loose
The efficiency and effectiveness of trap will depend upon the :
(^) Size (B) Water level
(C) Depth of water seal (D) Material
Minimum depth of water seal of Gully trap is :
(A) 25mm (B) 30mm
(0 50mm (D) 75mm
Intercepting trap provided at :
(ಸಿ) Corner of drain
(B) Every 30-meter straight
(C) Near Gully trap
(D) Junction of house drain and sewer
The system of sanitary plumbing —-———— have two set of vertical pipes are laid, one for
night soil one for sullage and have provide vent pipe separately.
(A) One pipe system
(3) Twopipe system
(C) Single stack system
(D) Partially ventilated single stack system
SL means in sanitary plumbing :
(A) Sewer Line (B) Sanitary Link
(C) Street Line (D) None of these
167/2023 12 A