Wastewater collection Level 1 Exam Quizzes & 100%
Correct Answers
60 gallons per hour is equal to
1 gallon per minute.
The slope of a sewer is measured by the difference in
Invert elevations over a length of pipe
An air gap can be used to prevent....
backflow of waste water into a drinking water supply.
A cross connection is a potable water pipe connected to a supply of...
questionable origin.
Wastewater carried in to a collection system may come from
Inflow
When using any hydraulic sewer cleaning method care must be taken by the operator not
to
Cause flooding in home and businesses.
Disease producing bacteria are
Called Pathogenic.
A man hole with the center great is normally used for
Storm sewer.
, A Polly Pig would be used as a
Reamer.
A minimum scouring velocity of 2ft/sec in sewers is necessary so that solids....
won't build up in a sewer and reduce flow.
A cross-connection is best defined as?
A potable water supply connected to a potential source of pollution.
When dealing with collection systems, I&I refers to
Infiltration and Inflow
Corrosion of sewer pipes maybe caused by
Acids in water
In a collection system, waste water that contains NO "FREE" or dissolved oxygen is
referred to as
Anaerobic .
The primary reason why it is important not to have cross connections of sewer with water
supply systems is?
Possible water contamination .
A Polly Pig would most likely be used in the cleaning of a
Force main.
Flow rates can be expressed in
Correct Answers
60 gallons per hour is equal to
1 gallon per minute.
The slope of a sewer is measured by the difference in
Invert elevations over a length of pipe
An air gap can be used to prevent....
backflow of waste water into a drinking water supply.
A cross connection is a potable water pipe connected to a supply of...
questionable origin.
Wastewater carried in to a collection system may come from
Inflow
When using any hydraulic sewer cleaning method care must be taken by the operator not
to
Cause flooding in home and businesses.
Disease producing bacteria are
Called Pathogenic.
A man hole with the center great is normally used for
Storm sewer.
, A Polly Pig would be used as a
Reamer.
A minimum scouring velocity of 2ft/sec in sewers is necessary so that solids....
won't build up in a sewer and reduce flow.
A cross-connection is best defined as?
A potable water supply connected to a potential source of pollution.
When dealing with collection systems, I&I refers to
Infiltration and Inflow
Corrosion of sewer pipes maybe caused by
Acids in water
In a collection system, waste water that contains NO "FREE" or dissolved oxygen is
referred to as
Anaerobic .
The primary reason why it is important not to have cross connections of sewer with water
supply systems is?
Possible water contamination .
A Polly Pig would most likely be used in the cleaning of a
Force main.
Flow rates can be expressed in
