Waste Water Engineering Traps Dissolve the foul gases Are used to trap the rats entering sewers Are water seals which prevent the entry of foul gases Create symphonic action to increase the quick disposal of sewerage Dissolve the foul gases Are used to trap the rats entering sewers Are water seals which prevent the entry of foul gases Create symphonic action to increase the quick disposal of sewerage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For drainage pipes in buildings the test applied before putting them to use, is Smoke test Water test Straightness test All listed here Smoke test Water test Straightness test All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage is pumped up From low lying areas All listed here From flat areas From basements From low lying areas All listed here From flat areas From basements ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Manning’s formula Chezy’s formula Kutter’s formula Bazin’s formula Manning’s formula Chezy’s formula Kutter’s formula Bazin’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 25°C 15°C 0°C 20°C 25°C 15°C 0°C 20°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed 1.5 2.5 3 2 1.5 2.5 3 2 ANSWER DOWNLOAD EXAMIANS APP
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