Waste Water Engineering In case of sewer lines Obstruction test is carried out with the help of smooth ball of diameter 13 mm Water test is carried out to check water tightness of the joints Test for straightness is carried out with the help of a lamp and mirror All listed here Obstruction test is carried out with the help of smooth ball of diameter 13 mm Water test is carried out to check water tightness of the joints Test for straightness is carried out with the help of a lamp and mirror All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Kutter Bazin Chezy Manning Kutter Bazin Chezy Manning ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced With elliptical cage Near the outer surface of the pipe Near the inner surface of the pipe Both A and B With elliptical cage Near the outer surface of the pipe Near the inner surface of the pipe Both A and B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A rainfall may be classified as acidic if its pH value is less or equal to 7 6.5 5 6 7 6.5 5 6 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Traps Dissolve the foul gases Create symphonic action to increase the quick disposal of sewerage Are water seals which prevent the entry of foul gases Are used to trap the rats entering sewers Dissolve the foul gases Create symphonic action to increase the quick disposal of sewerage Are water seals which prevent the entry of foul gases Are used to trap the rats entering sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of HCl H₂SO₄ None of these HNO₃ HCl H₂SO₄ None of these HNO₃ ANSWER DOWNLOAD EXAMIANS APP
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