Environmental Engineering The main disadvantage of oxidation pond is that Maintenance and operation cost are high Large area is required for construction BOD removal is very low None of these Maintenance and operation cost are high Large area is required for construction BOD removal is very low None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The specific gravity of sewage is Equal to 1 Slightly greater than 1 Slightly less than 1 Much greater than 1 Equal to 1 Slightly greater than 1 Slightly less than 1 Much greater than 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of Alteration of pressure filters is Greater than that of rapid sand filters Less than that of slow sand filters In between the filtration rate of slow sand filters and rapid sand filters Equal to that of slow sand filters Greater than that of rapid sand filters Less than that of slow sand filters In between the filtration rate of slow sand filters and rapid sand filters Equal to that of slow sand filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The distribution mains are designed for Maximum daily demand Maximum hourly demand Average daily demand Maximum hourly demand on maximum day Maximum daily demand Maximum hourly demand Average daily demand Maximum hourly demand on maximum day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The self cleansing velocity for all sewers in India is usually 3.0 m/sec to 3.5 m/sec Less than 1.0 m/sec 1.5 m/sec to 2.0 m/sec 1.0 m/sec to 1.2 m/sec 3.0 m/sec to 3.5 m/sec Less than 1.0 m/sec 1.5 m/sec to 2.0 m/sec 1.0 m/sec to 1.2 m/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Facultative bacteria are able to work in Presence of oxygen only Presence as well as in absence of oxygen Absence of oxygen only Presence of water Presence of oxygen only Presence as well as in absence of oxygen Absence of oxygen only Presence of water ANSWER DOWNLOAD EXAMIANS APP
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