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.Management Sciences
A. carbon dioxide
B. bleaching powder
C. sulphur dioxide
D. chloramines
Related Mcqs:
- The rate of Alteration of pressure filters is_________________?
- A. less than that of slow sand filters B. in between the filtration rate of slow sand filters and rapid sand filters C. greater than that of rapid sand filters D. equal to that of slow sand filters...
- The effect of increasing diameter of sewer on the self cleansing velocity is_____________?
- A. to decrease it B. to increase it C. fluctuating D. nil...
- The detention period for oxidation ponds is usually kept as______________?
- A. 4-8 hours B. 24 hours C. 10 to 15 days D. 3 months...
- An egg shaped section of sewer________________?
- A. is economical than circular section B. provides self cleansing velocity at low discharges C. is more stable than circular section D. is easy to construct...
- For a given discharge, the efficiency of sedimentation tank can be increased by______________?
- A. increasing the depth of tank B. decreasing the depth of tank C. increasing the surface area of tank D. decreasing the surface area of tank...
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