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 'Junior Instructor (Draftsman Civil) Industrial Training & Engineering Asst GrII English ' And exam conducted in the year 2019. And Question paper code was '070/2019'. 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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Maximum permissible colour of water for domestic supply on cobalt scale is:
வ 80௦10 றற {B) 10to 20 ppm
{C) 20to 80 ppm യ) 30to 40 ppm
Floatation is a method of water purification by:
{A) gas transfer (3) ion transfer
(© solid transfer (2) solute stabilization
Process of killing pathogenic bacteria from water is known as:
(മ filtration (3) sedimentation
{C) coagulation (D) disinfection
In treating swimming pool, water the filtration system to be used is:
{A) ടിയ sand filters (3) rapid sand filters
(0) pressure filters (D) any of the above
Water from kitchen, bathrooms and washbasin is called:
{A) sullage (൫) sewage
{C) combined sewage (2) none of these
Which soil can take maximum dose of sewage?
(ಹ) Loam soil {B) Clayey soil
(© Sandy loam soil (2) Sandy soil
In an office building one water closet should be provided for ளு ராம்னி
male personnel.
@ 5 ® 10
(© 15 യ 5
Bacteria that survive in the absence of oxygen are known 85 ×
{A) aerobic bacteria (3) anaerobic bacteria
{C) facultative bacteria (2) pathogenic bacteria
In case of public water supplies, the permissible upper limit of chloride content is:
வ 100 ppm {B) 150 ppm
(09 200 ppm {D) 250 ppm
70/2019 18 A
