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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Training Instructor (Plumbing) SC Development Department English ' And exam conducted in the year 2020. And Question paper code was '007/2020'. 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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forces non-toxic artificially created smoke through waste and drain pipes under a
slight pressure to find leak.
(ಹ) Leak test (B) Water test
(C) Smoke test (D) Pressure test
If water flowing through a tap or valve is suddenly arrested, it will produce a noise like
hammering and it is known as
(A) Knock (B) Sound
(೧) கோண (D) Water hammer
The most commonly used dis-infectant for sterilization of water is
(ക) യാം (B) Sodium
(C) Calcium (D) Carbon
Ground water is usually free from
(^) Dissolved impurities (8) Suspended impurities
(C) Minerals (D) Gases
Closed impeller type of centrifugal pumps is largely used for pumping water supplies,
because
(^) Efficiency is high (B) Low head
(C) Highhead (D) Low suction head
The driving motor is placed below the pump bowl ina
(A) Centrifugal pump (8) Airlift pump
(0 Submersible pump (D) Reciprocating pump
The pump suitable for lifting water from very deep tubewells of the order of 100 to 150 m
deep is
(A) Rotary pump (B) Centrifugal pump
(C) Submersible pump (D) Air lift pump
The pump which is not a kinetic energy pump is
(A) Rotary pump (B) Mono block pump
(C) Single stage pump (D) Dual stage pump
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