Waste Water Engineering Maximum permissible velocity 1.5 m/sec, is adopted in drains Both A. and B. With beds of rocks and gravels Neither A. nor B. Lined with stones Both A. and B. With beds of rocks and gravels Neither A. nor B. Lined with stones ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of Hydrogen sulphide gas Carbondioxide gas Petrol vapours Methane gas Hydrogen sulphide gas Carbondioxide gas Petrol vapours Methane gas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hume steel pipes are Steel shell coated from outside with cement mortar Steel pipes Both B and C Steel shell coated from inside with cement mortar Steel shell coated from outside with cement mortar Steel pipes Both B and C Steel shell coated from inside with cement mortar ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for All of these Unexpected increase in the population Under estimates of maximum and average flows Unexpected large scale infiltration of stream water All of these Unexpected increase in the population Under estimates of maximum and average flows Unexpected large scale infiltration of stream water ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a peak discharge of 0.0157 cumec, with a velocity of 0.9 m/sec, the diameter of the sewer main, is 15 cm 12 cm 10 cm 18 cm 15 cm 12 cm 10 cm 18 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Rate of flow of sewage is generally assumed At 150 litres per capita Less than the rate of water supply More than the rate of water supply Equal to the rate of water supply At 150 litres per capita Less than the rate of water supply More than the rate of water supply Equal to the rate of water supply ANSWER DOWNLOAD EXAMIANS APP
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