Environmental Engineering Alkalinity in water is expressed as milligrams per litre in terms of equivalent Calcium hydroxide Sodium carbonate Magnesium carbonate Calcium carbonate Calcium hydroxide Sodium carbonate Magnesium carbonate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard BOD is measured at 25°C - 3 day 20°C - 5 day 20°C - 1 day 30°C - 5 day 25°C - 3 day 20°C - 5 day 20°C - 1 day 30°C - 5 day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is (i) Presumptive coli-form test (ii) Confirmed coli-form test (iii) Completed coli-form test Both (i) and (iii) All (i), (ii) and (iii) Both (i) and (ii) Only (i) Both (i) and (iii) All (i), (ii) and (iii) Both (i) and (ii) Only (i) 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 Presence of water Absence of oxygen only Presence of oxygen only Presence as well as in absence of oxygen Presence of water Absence of oxygen only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The method of analysis of distribution system in which the domestic supply is neglected and fire demand is considered is Electrical analysis method Hardy cross method Circle method Equivalent pipe method Electrical analysis method Hardy cross method Circle method Equivalent pipe method ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The depression of water table in a well due to pumping will be maximum(Where ‘R’ is the radius of influence) None of these At a distance R/2 from the well Close to the well At a distance R from the well None of these At a distance R/2 from the well Close to the well At a distance R from the well ANSWER DOWNLOAD EXAMIANS APP
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