A.15 ppm
B.10 ppm
C.5 ppm
D.20 ppm
Related Mcqs:
- Chordates as lower fishes in fresh water appeared in:
- The ratio of oxygen available to the oxygen required for stabilization of sewage is called
- The lower stage of stream is marked by:
- Which of these facts sugests that oxygen is transported from lungs to the tissues combined with haemoglobin rather than dissolved in blood plasma:
- Oxygen content in our expiratory air is:
- As compared to tap water the BOD of sewage polluted water shall be:?
- If the analysis of the flue gas revealed an oxygen content of 11% this means that
- Wild life protection act was formulated during the period of ________________.
- The process used for the removal of dissolved carbondioxide from the water, is known as
- Sewage water can be purified for recycling with the action of:?
