Waste Water Engineering In a grit chamber of a sewage treatment plant, Flow velocity 0.15 m to 0.3 m/sec is kept One minute of detention period is kept All of these Depth of 0.9 m to 1.20 m is kept Flow velocity 0.15 m to 0.3 m/sec is kept One minute of detention period is kept All of these Depth of 0.9 m to 1.20 m is kept ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering House connections to the laterals is generally made by P.C.C. Glazed stonewares Cast iron R.C.C. P.C.C. Glazed stonewares Cast iron R.C.C. ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic bacterias Flourish in the presence of free oxygen Consume organic matter as their food All of these Oxidise organic matter in sewage Flourish in the presence of free oxygen Consume organic matter as their food All of these Oxidise organic matter in sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dried sewage after treatment is used as Base material for paints Chemical for lowering B.O.D. Building material Fertilizer Base material for paints Chemical for lowering B.O.D. Building material Fertilizer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hume steel pipes are Steel pipes Steel shell coated from inside with cement mortar Both B and C Steel shell coated from outside with cement mortar Steel pipes Steel shell coated from inside with cement mortar Both B and C Steel shell coated from outside with cement mortar ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A manhole is classified as shallow if its depth is between 0.7 to 0.9 m 0.9 to 1.20 m 0.5 to 0.7 m 0.4 to 0.5 m 0.7 to 0.9 m 0.9 to 1.20 m 0.5 to 0.7 m 0.4 to 0.5 m ANSWER DOWNLOAD EXAMIANS APP
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