Environmental Engineering Sewage treatment units are normally designed for 15 - 28 years 5 - 10 years 28 - 30 years 15 - 20 years 15 - 28 years 5 - 10 years 28 - 30 years 15 - 20 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally Less and less Less and more More and less More and more Less and less Less and more More and less More and more ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Select the correct relationship between porosity (N), specific yield (y) and specific retention (R) R = N + y R > (N + y) N = y + R y = N + R R = N + y R > (N + y) N = y + R y = N + R ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period for oxidation ponds is usually kept as 24 hours 3 months 48 hours 10 to 15 days 24 hours 3 months 48 hours 10 to 15 days ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection of water results in Removal of hardness Complete sterilisation Killing of disease bacteria Removal of turbidity Removal of hardness Complete sterilisation Killing of disease bacteria Removal of turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from None of these Both suspended and dissolved impurities Dissolved impurities Suspended impurities None of these Both suspended and dissolved impurities Dissolved impurities Suspended impurities ANSWER DOWNLOAD EXAMIANS APP
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