Wastewater Collection 3 Questions with Correct Answers 2026

Wastewater Collection 3 Questions with
Correct Answers 2026

A O 54 O in. O storm O sewer O flowing O half O full, O at O a O velocity O of O 1.35 O Ft./sec., O will
O discharge O how O muc Oh O flow O into O a O creek O in O MGD? O - O CORRECT O ANSWER O -6.92

O MGD




Area O of O Pipe O - O CORRECT O ANSWER O -= O D2 O x O .785



Shoring O must O protude O O
above O the O top O of O the O excavation. O - O CORRECT
O ANSWER O - O18 O inches




A O degreasing O agent O is O added O to O a O 16.0 O ft. O diameter O wet O well O that O is O 18.4 O ft.
O deep. O 4.5 O lbs. O is Orequired



for O every

13.8 O mg/l

a) O b) O c) O d)

1 O ft2 O of O surface O area. O If O the O degreaser O weighs O 8.5 O lbs. O per O gallon O and O has O a
O concentration O of


, O how O many O lbs. O Of O chemical O must O be O added O to O the O well? O - O CORRECT O ANSWER
O -904.3 O lbs.




In O a O trench O deep O enough O to O require O a O ladder(s), O the O worker O must O not O be
O required O to O travel Omore O than O Oto O get O to O the O ladder O - O CORRECT O ANSWER O -25

O feet