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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 '021/2023'. 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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The vertical sides of finished opening on both sides of doors, windows are known as
A) intel B) sill
C) jambs D) corbel
For what thickness of partition walls is the stretcher bond used ?
A) 5cms B) 10 cms C) 15 cms D) 20 cms
What is the ratio of bed concrete used for an Indian type water closet ?
A) 1:2:4 8) 1:3:6 ©) 1:4:8 0) 1:5:10
What is the desirable temperature of potable water ?
A) 5°C B) 10°C 00 D) 6°C
Which is the process of water preparation for the industrial purpose ?
A) De-mineralisation process B) Zeolite process
C) Lime soda process D) Reverse osmosis process
Asbestos pipe was first introduced in year.
A) 1940 B) 1970 C) 1920 D) 1980
Which type of joint is suitable for joining large size PVC pipes with VALVES ?
A) Flare joint B) Flanged joint
C) Brazed joint D) Compression joint
Sewer pipe line and underground pipe line are made of
A) Steel B) Plastic
C) Glass D) Cast Iron
The quantity of chloride in case of drinking water should not be more than
A) 100 ppm B) 350 ppm
C) 250 ppm D) 400 ppm