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The larger the sewer in size, more will be velocity
The larger the sewer, the greater the cross-sectional area of the sewer. This means that there is more room for the wastewater to flow, and so the velocity of the wastewater will be greater. The slope of the sewer also affects the velocity of the wastewater. The steeper the slope, the faster the wasRead more
The larger the sewer, the greater the cross-sectional area of the sewer. This means that there is more room for the wastewater to flow, and so the velocity of the wastewater will be greater. The slope of the sewer also affects the velocity of the wastewater. The steeper the slope, the faster the wastewater will flow.
See lessIt is customary to design a sewer for D.W.F. on the basis of
The correct answer is: B. Twice the average demand. The design flow of a sewer is the maximum flow that the sewer must be able to carry without overflowing. This flow is typically based on the average demand plus a safety factor.
The correct answer is: B. Twice the average demand. The design flow of a sewer is the maximum flow that the sewer must be able to carry without overflowing. This flow is typically based on the average demand plus a safety factor.
See lessDuring preliminary treatment of a sewage
Preliminary treatment is a process that is performed to prepare the wastewater for the rest of the treatment process. Preliminary treatment at the Wastewater Reclamation Facility (WRF) consists of three separate processes; screening, pumping, and grit removal.
Preliminary treatment is a process that is performed to prepare the wastewater for the rest of the treatment process. Preliminary treatment at the Wastewater Reclamation Facility (WRF) consists of three separate processes; screening, pumping, and grit removal.
See lessNitrogen cycle of sewage, is
Through microbial actions, the biological processes convert organic nitrogen and ammoniacal nitrogen in the sewage to nitrates and nitrites, which are finally converted to nitrogen through ammonization, nitrification, and denitrification [20].
Through microbial actions, the biological processes convert organic nitrogen and ammoniacal nitrogen in the sewage to nitrates and nitrites, which are finally converted to nitrogen through ammonization, nitrification, and denitrification [20].
See lessDry water flow in a combined sewer, is
Dry weather flows represent all flows within the sewer pipes on a typical day without any rainfall, which results in low flow in the sewer system. During dry weather flow, insufficient flow velocities can increase the retention time within the channel.
Dry weather flows represent all flows within the sewer pipes on a typical day without any rainfall, which results in low flow in the sewer system. During dry weather flow, insufficient flow velocities can increase the retention time within the channel.
See lessNitrogen cycle of sewage, is
Through microbial actions, the biological processes convert organic nitrogen and ammoniacal nitrogen in the sewage to nitrates and nitrites, which are finally converted to nitrogen through ammonization, nitrification, and denitrification [20].
Through microbial actions, the biological processes convert organic nitrogen and ammoniacal nitrogen in the sewage to nitrates and nitrites, which are finally converted to nitrogen through ammonization, nitrification, and denitrification [20].
See lessWhich one of the following tests is used for testing sewer pipes :
Water Test - Most commonly used for underground house sewer pipes. The drain is plugged at the lower end and the water is filled in the pipe through the upper manhole to maintain a pressure of 1 to 1.5 m depth of water. If there is no drop in the water level in 10 minutes, then there is no leakage fRead more
Water Test – Most commonly used for underground house sewer pipes. The drain is plugged at the lower end and the water is filled in the pipe through the upper manhole to maintain a pressure of 1 to 1.5 m depth of water. If there is no drop in the water level in 10 minutes, then there is no leakage from the pipe.
See lessIn sewers the highest non-scouring velocity is achieved in
In sewers the highest non-scouring velocity is achieved in. glazed bricks sewers. ... In sewage having fully oxidised organic matter, the nitrogen exists in the form of. ... It is customary to design a sewer for D.W.F. on the basis of. ... During preliminary treatment of a sewage. ... Pick up the coRead more
In sewers the highest non-scouring velocity is achieved in. glazed bricks sewers. …
See lessIn sewage having fully oxidised organic matter, the nitrogen exists in the form of. …
It is customary to design a sewer for D.W.F. on the basis of. …
During preliminary treatment of a sewage. …
Pick up the correct statement from the following :
The small sewers are cleaned by
Jetters are high-efficiency machines and the most common solution used today for cleaning sewers. They propel spray through a hose and out a specialized rotating nozzle to clean and break-up debris. Water jetting is a safe, chemical-free process that does not damage pipes.
Jetters are high-efficiency machines and the most common solution used today for cleaning sewers. They propel spray through a hose and out a specialized rotating nozzle to clean and break-up debris. Water jetting is a safe, chemical-free process that does not damage pipes.
See lessThe small sewers are cleaned by
Jetters are high-efficiency machines and the most common solution used today for cleaning sewers. They propel spray through a hose and out a specialized rotating nozzle to clean and break-up debris. Water jetting is a safe, chemical-free process that does not damage pipes.
Jetters are high-efficiency machines and the most common solution used today for cleaning sewers. They propel spray through a hose and out a specialized rotating nozzle to clean and break-up debris. Water jetting is a safe, chemical-free process that does not damage pipes.
See less