Environmental Engineering Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank Only (iii) Only (i) (i) and (ii) (i) and (iii) Only (iii) Only (i) (i) and (ii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 1000 liters/sec 500 liters/sec 5 liters/sec 50 liters/sec 1000 liters/sec 500 liters/sec 5 liters/sec 50 liters/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The length of rectangular sedimentation tank should not be more than (Where ‘B’ is the width of the tank) 8B 2B 4B B 8B 2B 4B B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Activated carbon is used for Disinfection Removing odours Removing hardness Removing corrosiveness Disinfection Removing odours Removing hardness Removing corrosiveness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering When there is no recirculation of sewage, then recirculation factor is None of these Infinity 1 None of these Infinity 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 10 ppm 1 ppm 40 ppm 4 ppm 10 ppm 1 ppm 40 ppm 4 ppm ANSWER DOWNLOAD EXAMIANS APP
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