Waste Water Engineering It is customary to design a sewer for D.W.F. on the basis of Average demand Four times the average demand Twice the average demand Thrice the average demand Average demand Four times the average demand Twice the average demand Thrice the average demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed 3 2 1.5 2.5 3 2 1.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, All listed here Free board of 0.3 m may be provided The clear space between the baffle top and covering slab is about 7.5 cm The baffles or tees are extended up to top level of scum All listed here Free board of 0.3 m may be provided The clear space between the baffle top and covering slab is about 7.5 cm The baffles or tees are extended up to top level of scum ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hazen’s formula VS = 418 (GS – Gw)d [(3T + 70)/100] is used for the settlement velocity of the particles of diameter Less than 0.05 mm Less than 0.01 mm Less than 0.1 mm Greater than 0.1 mm Less than 0.05 mm Less than 0.01 mm Less than 0.1 mm Greater than 0.1 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 10 ppm 3 ppm 5 ppm 4 ppm 10 ppm 3 ppm 5 ppm 4 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at Half full Full depth Two third full Three fourth full Half full Full depth Two third full Three fourth full ANSWER DOWNLOAD EXAMIANS APP
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