CWEA EXAM QUESTIONS AND
ANSWERS GRADED A+ 100% VERIFIED.
Legally responsible officials are required to report category 1
sanitary sewer overflows: ANS >>> Within two hours
When testing a manhole for explosive gases when should the
first test be made? ANS >>> Before removing the manhole cover
When setting up to ventilate a manhole, the air inlet should be
how many feet above street level? ANS >>> 2.0 feet
Which chemical may be used for odder control in a sewer
system? ANS >>> Hydrogen peroxide
A category 2 is: ANS >>> Any so which is not a category 1
, Which tool would you use for cleaning under a pipe, or hard dirt
near a pipe? ANS >>> Miner’s pick
When pouring a concrete slab, which of the following tools is
used to finish the concrete? ANS >>> Trowel
How can the velocity of water flowing in a sewer be estimated?
ANS >>> Measuring the time it takes for the dye to be carried by
the wastewater between the two manholes
When a grade conflict exists between a water main and a sewer
main, which of the following is the best solution? ANS >>> Have
the water main adjusted and hold the grade on the sewer main
A source of infiltration in a collection is: ANS >>> Broken pipe
joints
Pipe materials that are the least susceptible to corrosion by
acids formed from gases generated in a sewer is: ANS >>> VCP
Liners are installed in sewers to correct problems caused by: ANS
>>> Infiltration
ANSWERS GRADED A+ 100% VERIFIED.
Legally responsible officials are required to report category 1
sanitary sewer overflows: ANS >>> Within two hours
When testing a manhole for explosive gases when should the
first test be made? ANS >>> Before removing the manhole cover
When setting up to ventilate a manhole, the air inlet should be
how many feet above street level? ANS >>> 2.0 feet
Which chemical may be used for odder control in a sewer
system? ANS >>> Hydrogen peroxide
A category 2 is: ANS >>> Any so which is not a category 1
, Which tool would you use for cleaning under a pipe, or hard dirt
near a pipe? ANS >>> Miner’s pick
When pouring a concrete slab, which of the following tools is
used to finish the concrete? ANS >>> Trowel
How can the velocity of water flowing in a sewer be estimated?
ANS >>> Measuring the time it takes for the dye to be carried by
the wastewater between the two manholes
When a grade conflict exists between a water main and a sewer
main, which of the following is the best solution? ANS >>> Have
the water main adjusted and hold the grade on the sewer main
A source of infiltration in a collection is: ANS >>> Broken pipe
joints
Pipe materials that are the least susceptible to corrosion by
acids formed from gases generated in a sewer is: ANS >>> VCP
Liners are installed in sewers to correct problems caused by: ANS
>>> Infiltration
