Sludge in separate tanks is decomposed to get biogas by
yeasts
aerobic bacteria
anaerobic bacteria
none of these
Which of these methods should NOT be used for disposal of urine and faeces if no sewage system is available?
allowing untreated sewage to flow into rivers
making septic tanks for sewage to flow into
allowing sewage to flow into a biogas plant
using a vermicomposting toilet
The full form of WWTP is :
World Wide Transport Programme
Waste Water Treatment Plant
World Workers Talent Programme
None of these
Which of the following is the step of wastewater treatment ?
Chlorination
Aeration
Filteration
All the above
Which of these diseases is not caused by improper disposal of sewage?
cholera
heart attack
jaundice
typhoid
Period 2005-2015 is being celebrated as the international decade for action on
water for life
education for all
global warming
terrorism
Which of the following is the quality of water waste?
Dirty look
Foul smell
Bad taste
In sewerage mainholes are located at every
20-25m
50-60m
90-100m
100-110m
World water day is celebrated on
22 March
22 April
23 March
23 September
