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.Management Sciences
A. ultra violet rays treatment
B. lime treatment
C. by using potassium permanganate
D. chlorination
Related Mcqs:
- The distribution mains are designed for________________?
- A. maximum daily demand B. maximum hourly demand C. average daily demand D. maximum hourly demand on maxi¬mum day...
- The suitable layout of distribution system for a city with roads of rectangular pattern is______________?
- A. grid iron system B. dead end system C. ring system D. radial system...
- Sewage treatment units are normally designed for______________?
- A. 5-10 years B. 15-20 years C. 30-40 years D. 40-50 years...
- Sludge volume index is defined as the ratio of_______________?
- A. percentage of sludge by volume to percentage of suspended solids by weight B. percentage of sludge by volume to percentage of total solids by weight C. percentage of suspended solids by weight to percentage of sludge by volume D. percentage of total solids by weight to percentage of sludge by volume...
- Period of cleaning of slow sand filters is about________________?
- A. 24 – 48 hours B. 10-12 days C. 2-3 months D. 1-2 year...
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