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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021/23
The main test for inspection of drainage system
A) Smoke test B) Air pressure test
C) Ball test D) All of these
Other name of floor trap is
A) Gully trap B) Nahani trap
C) Bottle trap D) Intercepting trap
Traps are used to prevent the passage of
A) Air B) Oxygen
C) Sewer gas D) Wash water
In which type of hydrant installed at underground ?
A) Post B) Past
C) Flush D) Surplus
The hydrant which is installed in an underground brick is known as
A) Plush hydrants B) Flush hydrants
C) Post hydrants D) Surplus hydrants
The minimum size of a fire hydrants is
A) 5cm B) 10cm C) 15cm D) 20cm
The shock and sound produced on suddenly stopping the following water by closing
the valve is known as
A) Water hammer B) Water shot
C) Burst sound D) Water point
The resolution of the water hammer problem is
A) Closure of valve slowly B) Usage of air chamber
C) Closure of faucet slowly D) All of these