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 'Engineering Assistant Grade I - Kerala State Construction Corporation Ltd ' And exam conducted in the year 2022. And Question paper code was '085/2022'. 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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The method ideal for forecasting future population of a stabilized old city or small town is:
(A) Decreasing rate method ൯) Arithmetical increase method
(C) Geometrical increase method ൯) Incremental increase method
Which among the following is absent in hard water?
(A) Calcium carbonate (B) Calcium chloride
(C) Calcium sulphate 0) Calcium nitrate
The water treatment process, sedimentation aided with coagulation is mainly aimed at
removing
(^) Settleable solids ൯) _ Dissolved solids
(C) Colloidal solids (D) Floating solids
The disinfectant that has advantages of causing no bad taste, no odour and no danger of
overdose is
(A) Ozone ൯) Ultra-violet rays
(C) Chlorine (D) Potassium permanganate
Which of the following principles is true for the design of distribution system?
(A) Available terminal pressure-head and the permissible pressure-head must be
same
(B) Available terminal pressure-head must be more than the permissible pressure-
head
(C) Available terminal pressure-head must be less than the permissible pressure-
head
(D) Available terminal pressure-head must be equal to total head loss
The 5 day 20°C BOD represents
(4) The nitrogenous demand
(B) The total nitrogenous and carbonaceous demand
(C) The carbonaceous demand
(D) The ultimate oxygen demand
The process taking place in trickling filter is
(A) Aerobic suspended growth process (B) Anaerobic suspended growth process
(C) Anaerobic attached growth process (D) Aerobic attached growth process
085/2022 12 A