Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of H₂SO₄ HCl HNO₃ None of these H₂SO₄ HCl HNO₃ None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 100 mg/l 200 mg/l 300 mg/l 400 mg/l 100 mg/l 200 mg/l 300 mg/l 400 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For drainage pipes in buildings the test applied before putting them to use, is All listed here Water test Straightness test Smoke test All listed here Water test Straightness test Smoke test ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is Slightly more than 5% of the design discharge 20% of the design discharge None of these Slightly less than 5% of the design discharge Slightly more than 5% of the design discharge 20% of the design discharge None of these Slightly less than 5% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of design discharge to the surface area of a sedimentation tank is called Overflow rate All of these Overflow velocity Surface loading Overflow rate All of these Overflow velocity Surface loading ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Antisyphonage pipe is fitted With a W.'trap On manholes At the end of septic tanks At the beginning of sewer line With a W.'trap On manholes At the end of septic tanks At the beginning of sewer line ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS