Water Supply Engineering Questions (W6)
In this post, I will share some important questions which are frequently asked in competitive examinations such as SSC, UPSC and state PSCs.
-
Priming of a centrifugal pump is necessary...
- If it is located above reservior level
- If it is located below reservior level
- If it is located at reservior level
- If delivery head is high
-
The pipe joint commonly used in puming station is
- flexible joint
- expansion joint
- flanged joint
- socket and spigot joint
-
If the diameter of the main pipe is taken less than economical diameter then ...
- head loss will be high
- cost of pipe will be high
- cost of pumping will be more
- all of the above
-
As per IS:10500-2012, the acceptable limit of pH of Drinking water is ...
- 6.5-8.5
- 6.0-8.0
- 7.0-7.5
- 6.0-7.0
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As per IS:10500-2012, what are the acceptable limit and permissible limit of "Floride" in Driking water in mg/l?
- 1.5 and 1.0 respectively
- 1.0 and 1.5 respectively
- 1.0 and 1.0 respectively
- 1.5 and 1.5 respectively
-
As per IS:10500-2012, the permissible limit of "Nitrate" in mg/l is ...
- zero
- 45
- 0.45
- 4.5
-
As per IS:10500-200, the permissible limit of total hardness as $CaCO_3$ in mg/l is ...
- 200
- 400
- 600
- 800
-
The disease "Meathaemoglobinaemia" is caused when drinking water supply contains high concentrations of...
- Fluoride
- Iron
- Nitrite
- Nitrate
-
The micro-organism group E-coli is used as an indicator of faecal contamination of water because ...
- E-Coli is a known pathogen
- it is very easy to detect
- they are discharged along with faeces in large numbers
- all of the above
-
Pathogenic organisms may be found in contaminated waters and are responsible for diseases like ...
- typhoid fever
- infectious hepatitis
- gastro enteritis
- all of the above
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