Waste Water Engineering If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is None of these 1 in 100 1 in 120 1 in 60 None of these 1 in 100 1 in 120 1 in 60 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum diameter of a sewer is kept 25 cm 20 cm 15 cm 10 cm 25 cm 20 cm 15 cm 10 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The suitable cross-section of sewers to carry combined flow, is Egg shaped Horse shoe shaped Circular Rectangular Egg shaped Horse shoe shaped Circular Rectangular ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to Initial demand All of these Carbonaceous demand First stage demand Initial demand All of these Carbonaceous demand First stage demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bottom openings 15 cm × 15 cm in the standing baffle wall are provided 30 cm c/c 22.5 cm c/c 50 cm c/c 15 cm c/c 30 cm c/c 22.5 cm c/c 50 cm c/c 15 cm c/c 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 Greater than 0.1 mm Less than 0.1 mm Less than 0.01 mm Less than 0.05 mm Greater than 0.1 mm Less than 0.1 mm Less than 0.01 mm Less than 0.05 mm ANSWER DOWNLOAD EXAMIANS APP
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