Waste Water Engineering A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of Hydrogen sulphide gas Methane gas Petrol vapours Carbondioxide gas Hydrogen sulphide gas Methane gas Petrol vapours Carbondioxide gas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is 1 in 100 None of these 1 in 120 1 in 60 1 in 100 None of these 1 in 120 1 in 60 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the peak discharge of a storm water drain (S.W. Drain) is expected to exceed 150 cumecs, the free board to be provided, is 100 cm 80 cm 90 cm 50 cm 100 cm 80 cm 90 cm 50 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hydraulic mean radius is Mean radius of sewer Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter Difference in heads between two points in circular pipes Mean radius of sewer Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter Difference in heads between two points in circular pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is 1.5 D 1.75 D 1.15 D 1.25 D 1.5 D 1.75 D 1.15 D 1.25 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Flocculated particles do not change their None of these Shape Weight Size None of these Shape Weight Size ANSWER DOWNLOAD EXAMIANS APP
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