Waste Water Engineering Before discharging the foul sewage into rivers, it is generally treated by Screening Sedimentation All listed here Oxidation Screening Sedimentation All listed here Oxidation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For efficient working of a sewer, it must be ensured that Minimum velocity of 0.45 m/sec, is maintained at its minimum flow Both (A) and (B) Neither (A) nor (B) A maximum velocity of 0.90 m/sec, is maintained at its maximum flow Minimum velocity of 0.45 m/sec, is maintained at its minimum flow Both (A) and (B) Neither (A) nor (B) A maximum velocity of 0.90 m/sec, is maintained at its maximum flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum depth of sedimentation tanks, is kept 3 m 4 m 4.5 m 3.5 m 3 m 4 m 4.5 m 3.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of sewer lines 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 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 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Kutter’s formula Chezy’s formula Bazin’s formula Manning’s formula Kutter’s formula Chezy’s formula Bazin’s formula Manning’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, decomposition of organic bacteria, is done by Aerobic bacteria None of these Both types of bacterias Anaerobic bacteria Aerobic bacteria None of these Both types of bacterias Anaerobic bacteria ANSWER DOWNLOAD EXAMIANS APP