Waste Water Engineering The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is 0.05 0.5 0.1 0.25 0.05 0.5 0.1 0.25 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is 1 in 500 upward 1 in 503 upward 1 in 100 upward 1 in 100 downward 1 in 500 upward 1 in 503 upward 1 in 100 upward 1 in 100 downward ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In Chezy’s formula V = C rs for calculating the velocity of flow in circular sewer of diameter running full, the value of hydraulic mean radius is D/4 D/1 D/2 D/3 D/4 D/1 D/2 D/3 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum diameter of a sewer is kept 25 cm 15 cm 10 cm 20 cm 25 cm 15 cm 10 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Self-cleansing velocity is Velocity of water at flushing Velocity at which no accumulation remains in the drains Velocity of water in a pressure filter Velocity at dry weather flow Velocity of water at flushing Velocity at which no accumulation remains in the drains Velocity of water in a pressure filter Velocity at dry weather flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Cement concrete sewers are only suitable if non-scouring velocity is between 3.5 to 4.5 m/sec 3.0 to 4.0 m/sec 4.5 to 5.5 m/sec 2.5 to 3.0 m/sec 3.5 to 4.5 m/sec 3.0 to 4.0 m/sec 4.5 to 5.5 m/sec 2.5 to 3.0 m/sec ANSWER DOWNLOAD EXAMIANS APP
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