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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Overseer (civil) ; Overseer Gr II/Draftsman Gr.II; Draftsman Gr I/ Overseer Gr I (civil) - LSGD ; KLDB; KLDC; PWD/Irigation (CAT.NO:127/20; 213/20; 347/20)' And exam conducted in the year 21. And Question paper code was '101/21'. 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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100.
The detention period for plain sedimentation water tank is usually
A) 4 to 8 hours B) 8 to 16 hours
C) 16 to 24 hours D) 24 to 36 hours
The soil which contain finest grain particles
A) coarse sand B) fine sand
C) silt D) clay
Reynold’s number is the ratio of inertia force to
A) viscous force B) gravity force
C) surface tension D) friction
The theodolite is an instrument for measuring
A) horizontal angles only
B) vertical angles only
C) linear measurement
D)
horizontal and vertical angle
The anti-siphonage pipe is not required in
A) one pipe system B) two pipe system
C) single stack system D) none of these
101/21
The construction of a temporary structure required to support an unsafe structure is
called
A) underpinning B) scaffolding
C) shoring D) none of these