Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding Potassium permanganate Sulphuric acid and napthamine None of these Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate Sulphuric acid and napthamine None of these Phenol-di -sulphuric acid potassium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bottom openings 15 cm × 15 cm in the standing baffle wall are provided 15 cm c/c 22.5 cm c/c 30 cm c/c 50 cm c/c 15 cm c/c 22.5 cm c/c 30 cm c/c 50 cm c/c ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes need be checked for Maximum flow None of these Both A and B Minimum flow Maximum flow None of these Both A and B Minimum flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drop man holes are generally provided in sewers for Large town ships Industrial areas Cities in plains Hilly town ships Large town ships Industrial areas Cities in plains Hilly town ships ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering pH value of sludge during alkaline regression stage, is Less than 7 More than 6 More than 7 Less than 6 Less than 7 More than 6 More than 7 Less than 6 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sedimentation tank (length L, width B, depth D) the settling velocity of a particle for a discharge Q, is Q/(B × L) Q/(L × D) Q/(B × D) Q/L Q/(B × L) Q/(L × D) Q/(B × D) Q/L ANSWER DOWNLOAD EXAMIANS APP
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