Environmental Engineering Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank (i) and (ii) (i) and (iii) Only (i) Only (iii) (i) and (ii) (i) and (iii) Only (i) Only (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be Separate system Combined system Partially combined system Partially separate system Separate system Combined system Partially combined system Partially separate system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from Dissolved impurities Both suspended and dissolved impurities Suspended impurities None of these Dissolved impurities Both suspended and dissolved impurities Suspended impurities None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period in coagulation tanks is usually kept as 1 to 2 minutes 2 to 6 days 2 to 6 hours 30 to 45 minutes 1 to 2 minutes 2 to 6 days 2 to 6 hours 30 to 45 minutes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Bleaching powder Chloramines Sulphur dioxide Carbon dioxide Bleaching powder Chloramines Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Activated carbon is used for Removing corrosiveness Removing hardness Disinfection Removing odours Removing corrosiveness Removing hardness Disinfection Removing odours ANSWER DOWNLOAD EXAMIANS APP
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