Waste Water Engineering In Chezy’s formula V = C rs for calculating the velocity of flow in circular sewer of diameter running full, the value of hydraulic mean radius is D/1 D/3 D/4 D/2 D/1 D/3 D/4 D/2 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage may become stale in Three to four hours Six hours Two to three hours One hour Three to four hours Six hours Two to three hours One hour ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The algae dies out in the zone of Recovery Active decomposition Degradation Cleaner water Recovery Active decomposition Degradation Cleaner water ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In detritus tanks, All listed here Organic and inorganic materials are separated Flow velocity is kept 0.09 m/sec Detention period is kept 3 to 4 minutes All listed here Organic and inorganic materials are separated Flow velocity is kept 0.09 m/sec Detention period is kept 3 to 4 minutes 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 Greater than 0.1 mm Less than 0.01 mm Less than 0.05 mm Less than 0.1 mm Greater than 0.1 mm Less than 0.01 mm Less than 0.05 mm Less than 0.1 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers Must be laid at least 2 to 3 m deep to collect /water from the basements Must be of adequate size to avoid over flow Must flow under gravity ½ to ¾ full All listed here Must be laid at least 2 to 3 m deep to collect /water from the basements Must be of adequate size to avoid over flow Must flow under gravity ½ to ¾ full All listed here ANSWER DOWNLOAD EXAMIANS APP
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