Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 7 days 2 days 14 days 12 days 7 days 2 days 14 days 12 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the velocity of flow should not be Less than 10 m/sec Less than the self-cleansing velocity More than the self-cleansing velocity More than 20 m/sec Less than 10 m/sec Less than the self-cleansing velocity More than the self-cleansing velocity More than 20 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a continuous flow type of sedimentation tanks Maximum horizontal flow velocity is limited to 0.3 m/minute Length of the tank is normally kept 4 to 5 times the width Width of the tank is normally kept about 6 m All listed here Maximum horizontal flow velocity is limited to 0.3 m/minute Length of the tank is normally kept 4 to 5 times the width Width of the tank is normally kept about 6 m All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Maximum permissible velocity 1.5 m/sec, is adopted in drains Lined with stones With beds of rocks and gravels Both A. and B. Neither A. nor B. Lined with stones With beds of rocks and gravels Both A. and B. Neither A. nor B. ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For providing an Indian type W.C., the R.C.C. slabs in the toilet portion Should be sunk by 50 cm Need not be sunk Should be sunk by 20 cm Should be kept 20 cm above the adjacent portion Should be sunk by 50 cm Need not be sunk Should be sunk by 20 cm Should be kept 20 cm above the adjacent portion ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is 4 1.5 3 2 4 1.5 3 2 ANSWER DOWNLOAD EXAMIANS APP
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