Kerala PSC Previous Years Question Paper & Answer
Page:7
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Town Planning Officer, Assistant Town - Greater Cochin Development Authority, Townand Country Planning Planner' And exam conducted in the year 2023. And Question paper code was '162/2023'. 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.
42.
43.
44.
45.
46.
47.
48.
49.
If bacterial cells are represented by the chemical formula C;H;O.N, the potential
carbonaceous COD in a bacterial cell concentration of 1000 mg/l will be :
(A) 1310 mg/l (B) 1420 mg/l
(0) 1000 mg/l (D) 800 mg/l
Which of the following statements is incorrect for aeration process?
(A) Removes excess H.S gas (B) Removes excess CO
(C) Increases 09 content ൯) Increases settling characteristics
Denitrification in wastewater treatment occurs under لل environment.
(^) Aerobic (B) Anaerobic
(C) Anoxic (D) None of these
Which among these is a suitable method for sludge conditioning?
(A) Iron salt addition (B) Lime addition
(C) Wet air oxidation ൯) Allof these
A—— isa semiautomatic device that permits water flow in only one direction.
(A) Shutoff valve (B) Check valve
(C) Gate valve (D) None of these
Which of the following is incorrect for a unit hydrograph?
(^) It reflects all physical characteristics of the basin
(B) The net rainfall is of uniform intensity within its duration
(C) The net rainfall uniformly occurs over the entire area of the drainage basin
(D) None of these
A point where two or more pipes meet is called a:
(A) Link (B) Node
(C) Network (D) Loop
Ina water distribution network, factors influencing selection of pipe material are :
(A) Hydraulic performance (B) Strength
(C) Weight of pipe ൯) Allof these
9 16 2/2023
[P.T.0.]