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 '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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What is the percentage of strength for the cement in storage after 3 months ?
A) 48% strength B) 85% strength
C) 75% strength D) 60% strength
The angle of squint junction is generally
A) 45° B) 90°
C) 120° D) 18°
The hollowness of concrete block is of the volume of the concrete.
A) 10-20% B) 20-40%
C) 40-80% D) 80- 100%
What is the percentage by weight of crushed gravel sand through IS sieve No. 120 ?
A) 0-10% 8) 5-30%
C) 25-60% 0) 45 - 85%
The usual length of pipes varies between
A) 1 meter to 5 meter B) 15 meter to 30 meter
C) 2 meter to 6 meter D) 10 meter to 22 meter
The pipes joined by expansion joint are made of
A) Copper B) Cast Iron
C) Glass D) Plastic
The other name for bell mouth end is
A) Clamp End B) Golden End
C) Socket End D) Spigot End
What is the temperature range of heating tools used in plastic welding process ?
A) 50°C to 100°C B) 400°C to 470°C
C) 200°C to 370°C D) 600°C to 670°C