Kerala PSC Previous Years Question Paper & Answer
Page:15
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Professor in Civil Engineering' And exam conducted in the year 2023. And Question paper code was '085/2023'. 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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Detention Time for a sedimentation tank of a rectangular type (continuous flow rate) is given
for a tank, passing a discharge = Q, and have length = L, Width = B and Depth = H, as:
BLH Q
oe ظا Bia
೧ "© BL
© ع2 (D) 0
Clariflocculator is a :
(A) Plain sedimentation plant
(B)_ Aeration plant
(C) Coagulation and sedimentation plant
(D) None of the above
Which of the following chemical compound can be used for dechlorination of water :
(A) Carbon dioxide (B) Bleaching powder
(C) Sulphur dioxide (D) Chloramines
A suitable layout for a water supply distribution system for a city of having a system of radial
roads emerging from different centres, is :
(A) Dead end system (B) Grid Iron system
(C) Ring system (D) Radial system
The self-cleansing velocity (V,) is given as:
(A) V, =,kd(G-1) 0) V, =¢-ykd(G-1)
(0 V,=d'-fke(G-1) 0) V,=k-¥ed(G-1)
Hydraulic mean depth of a circular sewer while running partially full is :
D 360° sina D 360° cosa
இ ப [டட பம் -- 1-------
۸ 4 | 2೩೫೦ ) © 8 | 2೩೫೦ ١
D 360° cosa D 360° tana
൭ 2 مم ~~ 1------~
© 4 | 2೩೫೦ ١ ©) 4 | 2೩೫೦ ١
The BOD rate constant (K,) at the given temperature is :
(A) 0.485 Kp (B) 0.434 K,
(@ 0.4541 (D) 0.343 K
17 085/2023
[P.T.0.]