Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of HNO₃ None of these HCl H₂SO₄ HNO₃ None of these HCl H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage is generally Alkaline A source of objectionable odour Highly decomposed Acidic Alkaline A source of objectionable odour Highly decomposed Acidic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pressure exerted by The internal pressure if any, causes tensile stress in the pipe material All listed here Pressure sewers are designed to be safe in tension The sewage when running full from inside, is called internal pressure The internal pressure if any, causes tensile stress in the pipe material All listed here Pressure sewers are designed to be safe in tension The sewage when running full from inside, is called internal pressure ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The liquid wastes from kitchens, bath rooms and wash basins, is not called Sullage Sewage None of these Liquid waste Sullage Sewage None of these Liquid waste 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 0.01 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 Greater than 0.1 mm Less than 0.1 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 It is alkaline It is neutral None of these It is acidic It is alkaline It is neutral None of these It is acidic ANSWER DOWNLOAD EXAMIANS APP
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