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 HEALTH SANITARY INSPECTOR INDUSTRIAL TRAINING' And exam conducted in the year 2014. And Question paper code was '079/2014'. 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.
79/2014
2.
Maximum : 100 marks
Time : 1 hour and 15 minutes
Which among the following is false about chlorine demand :
(ಗೆ)
(8)
(0)
00)
It is the difference between chlorine added to water and what remains
It is estimated afier a contact period of 30 minutes
It is the amaount of chlorine required 10 destroy bacteria
It is the amount of chlorine required to oxidize all the organic matter present in
waler
Orthotolidine- Arsenite (OTA) test is used to !
(ಗಿ)
(13)
0
(1)
Determine both free and residual chlorine together
Determine both free and residual chlorine separately
Determine the turbidity of water
None of the above
All are true about boiling of water, EXCEPT :
(ಗಿ)
फ़)
0
(0)
It 1s a satisfactory method of purifying water at house hold level
Tt is effective only when brought to rolling boil for 10-20 minutes
It removes temporary hardnesa of water
It offers residual protection against subsequent contamination
Ozone 18 a
ക്ര
(0)
Primary pollutant (B) Secondary pollutant
Particulate air pollutant (D) None of the above
Bore - hole latrine is a ——————— type of latrine :
லை
(೧)
Service (B} Non-service
Water seal (D) Nene of the above
The strength of sewage is expressed in terms of :
(ಗಿ)
0
Biological Oxygen Demand (B) Chemical Oxygen Demand
Suspended Solids (10) All of the above
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