Waste Water Engineering Lead acetate test in sewer manhole is done to test the presence of Hydrogen sulphide Carbondioxide gas Diesel vapours Methane gas Hydrogen sulphide Carbondioxide gas Diesel vapours Methane gas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of bars for perforations in coarse screens used for the treatment of sewage, is 50 mm 20 mm 30 mm 40 mm 50 mm 20 mm 30 mm 40 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is 2 4 3 1.5 2 4 3 1.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering At the junction of sewers Top of larger sewer is kept lower Top of smaller sewer is kept lower Tops of both the sewers are at the same level None of these Top of larger sewer is kept lower Top of smaller sewer is kept lower Tops of both the sewers are at the same level None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The use of coarse screens for the disposal of sewage, may be dispensed with by Neither A nor B Both A and B Comminutor Shredder Neither A nor B Both A and B Comminutor Shredder ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Cement concrete sewers are only suitable if non-scouring velocity is between 2.5 to 3.0 m/sec 3.5 to 4.5 m/sec 4.5 to 5.5 m/sec 3.0 to 4.0 m/sec 2.5 to 3.0 m/sec 3.5 to 4.5 m/sec 4.5 to 5.5 m/sec 3.0 to 4.0 m/sec ANSWER DOWNLOAD EXAMIANS APP
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