Waste Water Engineering The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is 0.05 0.1 0.25 0.5 0.05 0.1 0.25 0.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering hydraulically equivalent, the relationship which holds good, is D3/2 = 4 b3/2 D8/3 = 4 b8/3 D3/8 = 4 b3/8 D2/3 = 4 b2/3 D3/2 = 4 b3/2 D8/3 = 4 b8/3 D3/8 = 4 b3/8 D2/3 = 4 b2/3 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the gas generally found, is Hydrogen sulphide (H2S) All listed here Carbon dioxide (CO2) Methane (CH4) Hydrogen sulphide (H2S) All listed here Carbon dioxide (CO2) Methane (CH4) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 65 to 70% 0.85 75 to 80% 70 to 75% 65 to 70% 0.85 75 to 80% 70 to 75% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is 0.30 m/sec 0.45 m/sec 0.40 m/sec 0.35 m/sec 0.30 m/sec 0.45 m/sec 0.40 m/sec 0.35 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced Both A and B Near the inner surface of the pipe With elliptical cage Near the outer surface of the pipe Both A and B Near the inner surface of the pipe With elliptical cage Near the outer surface of the pipe ANSWER DOWNLOAD EXAMIANS APP
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