Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of None of these HCl HNO₃ H₂SO₄ None of these HCl HNO₃ H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 65 to 70% 0.85 75 to 80% 70 to 75% 65 to 70% 0.85 75 to 80% 70 to 75% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The small sewers are cleaned by Cane rodding None of these Wooden pills Flushing Cane rodding None of these Wooden pills Flushing ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pH value of sewage is determined with the help of Turbid meter Potentiometer None of these Imhoff Cone Turbid meter Potentiometer None of these Imhoff Cone ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A drop manhole is provided if A lamp is inserted to check obstruction A sewer drops from a height None of these A branch sewer joins the main sewer at higher level A lamp is inserted to check obstruction A sewer drops from a height None of these A branch sewer joins the main sewer at higher level ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For efficient working of a sewer, it must be ensured that Both (A) and (B) A maximum velocity of 0.90 m/sec, is maintained at its maximum flow Neither (A) nor (B) Minimum velocity of 0.45 m/sec, is maintained at its minimum flow Both (A) and (B) A maximum velocity of 0.90 m/sec, is maintained at its maximum flow Neither (A) nor (B) Minimum velocity of 0.45 m/sec, is maintained at its minimum flow ANSWER DOWNLOAD EXAMIANS APP
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