Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Chloramines Bleaching powder Carbon dioxide Sulphur dioxide Chloramines Bleaching powder Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 5 to 7 2 to 4 0.4 to 1.0 0.2 to 0.4 5 to 7 2 to 4 0.4 to 1.0 0.2 to 0.4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be 40 mm/hr 4 mm/hr 10 mm/hr 20 mm/hr 40 mm/hr 4 mm/hr 10 mm/hr 20 mm/hr ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? Higher temperature Sunlight None of these Satisfying oxygen demand Higher temperature Sunlight None of these Satisfying oxygen demand ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method of forecasting population for a young and rapidly increasing city is Geometrical increase method Incremental increase method Arithmetical increase method Graphical method Geometrical increase method Incremental increase method Arithmetical increase method Graphical method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Facultative bacteria are able to work in Absence of oxygen only Presence as well as in absence of oxygen Presence of oxygen only Presence of water Absence of oxygen only Presence as well as in absence of oxygen Presence of oxygen only Presence of water ANSWER DOWNLOAD EXAMIANS APP
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