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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.
021/23
. Which fire extinguisher is used to extinguish class ‘B’ fire ?
A) Halen extinguisher B) Carbon-dioxide extinguisher
C) Dry powder extinguisher D) Foam extinguisher
. What is the period referred as “Golden Hoarse” ?
A) First 30 minutes after incident B) First 30 minutes after first aid
C) First 45 minutes of admission D) First 60 minutes after treatment
. What is the colour code for plastic waste bin ?
A) Yellow B) Blue
C) Green D) Red
. What is the immediate action to be taken in the event of fire ?
A) Inform floor in charge B) Close doors and windows
C) Raise an alarm D) Call medical assistance
. Which bolt is used to convert rotational speed into longitudinal speed ?
A) Shackle bolt B) Cotter bolt
C) Levis bolt D) Eye bolt
. What is the length of pipe projection required from the vice while threading GI pipes ?
A) 100-125 mm B) 150-250 mm
C) 150 — 200 mm D) 125-150 mm
. What are the weld positions for pipes by gas welding ?
A) 1G, 2G, 3G and 4G 8) 1G, 2G, 4G and 6G
C) 1G, 2G, 5G and 6G D) None of these
. Which type of filler metal does not require flux while gas welding ?
A) High Silicone Cast Iron B) Mild Steel-Type S-FSI
C) Copper Filler Rod D) Medium Nickel Bronze