5/10/25, 10:01 AM Water distribution level 3 2025 COMPREHENSIVE EXAM QUESTIONS WITH DETAILED VERIFIED AND 100% CORRECT …
Scheduled maintenance: May 11, 2025 from 07:00 AM to 09:00 AM
Water distribution level 3 2025
COMPREHENSIVE EXAM QUESTIONS WITH
DETAILED VERIFIED AND 100% CORRECT
ANSWERS BRAND NEW EXAM ALREADY
GRADED A+!!
Save
Terms in this set (78)
A factor or value used to Cfactor
indicate the smoothness
of the interior of a pipe
Major parts of water Pipes, storage facilities, pumping stations, valves
distribution ,fire hydrants, meters, and other appurtenances
To provide sufficient amount of water to average or
Main purpose of water
equalize the daily demands on the water supply
storage facilities
system
Clear wells, elevated tanks,standpipes,ground level
Types of storage facilities storage tanks , hydro pneumatic or pressure tanks,
and surge tanks
20 psi Absolute minimum pressure
35 psi Minimum working pressure
Basic requirements of Adequate strength, durability,maximum corrosion,
pipes resistance and no adverse effect on water quality
https://quizlet.com/1042166914/water-distribution-level-3-2025-comprehensive-exam-questions-with-detailed-verified-and-100-correct-answers-br… 1/6
, 5/10/25, 10:01 AM Water distribution level 3 2025 COMPREHENSIVE EXAM QUESTIONS WITH DETAILED VERIFIED AND 100% CORRECT …
Four classes of working 100,150,200,250 psi
pressure are commonly
encountered
Push on and mechanical Ductile iron pipe. Flanges, restrained, flexible, and
joints are most often sleeve joints are also used
used for
Flange joints Not flexible
Restrained joints Prevent movement
Flexible joints Permits one joint to move
PE pipe Has the highest cfactors 150
Pipe protection Paint
Rock must be excavated 6inches
Ladder must b located 25 ft and 3ft above hole
Laying pipe is also called Stringing
The horizontal shoring Stringers or walers
members are generally
referred to as
Consists of a rectangular box that must b open on
Shield shoring the top and bottom and usually the ends are open
too
Used when materials will not stand in a vertical
Solid sheeting
position or not practical to slope the trench
Types of valves Plug, rotary,butterfly, diaphragm, gate
Entrained Air to escape a line is operating under pressure
Inlet pipe connection from the water supply
4 parts to a hydrant
main,the main valve,the barrel,the head
Post hydrants Extend above ground most commonly used
Rule of thumb Meter should b one size smaller that service line
Double check valve, reduced pressure(rp),air gap-
3basic backflow devices
provides greatest protection
https://quizlet.com/1042166914/water-distribution-level-3-2025-comprehensive-exam-questions-with-detailed-verified-and-100-correct-answers-br… 2/6
Scheduled maintenance: May 11, 2025 from 07:00 AM to 09:00 AM
Water distribution level 3 2025
COMPREHENSIVE EXAM QUESTIONS WITH
DETAILED VERIFIED AND 100% CORRECT
ANSWERS BRAND NEW EXAM ALREADY
GRADED A+!!
Save
Terms in this set (78)
A factor or value used to Cfactor
indicate the smoothness
of the interior of a pipe
Major parts of water Pipes, storage facilities, pumping stations, valves
distribution ,fire hydrants, meters, and other appurtenances
To provide sufficient amount of water to average or
Main purpose of water
equalize the daily demands on the water supply
storage facilities
system
Clear wells, elevated tanks,standpipes,ground level
Types of storage facilities storage tanks , hydro pneumatic or pressure tanks,
and surge tanks
20 psi Absolute minimum pressure
35 psi Minimum working pressure
Basic requirements of Adequate strength, durability,maximum corrosion,
pipes resistance and no adverse effect on water quality
https://quizlet.com/1042166914/water-distribution-level-3-2025-comprehensive-exam-questions-with-detailed-verified-and-100-correct-answers-br… 1/6
, 5/10/25, 10:01 AM Water distribution level 3 2025 COMPREHENSIVE EXAM QUESTIONS WITH DETAILED VERIFIED AND 100% CORRECT …
Four classes of working 100,150,200,250 psi
pressure are commonly
encountered
Push on and mechanical Ductile iron pipe. Flanges, restrained, flexible, and
joints are most often sleeve joints are also used
used for
Flange joints Not flexible
Restrained joints Prevent movement
Flexible joints Permits one joint to move
PE pipe Has the highest cfactors 150
Pipe protection Paint
Rock must be excavated 6inches
Ladder must b located 25 ft and 3ft above hole
Laying pipe is also called Stringing
The horizontal shoring Stringers or walers
members are generally
referred to as
Consists of a rectangular box that must b open on
Shield shoring the top and bottom and usually the ends are open
too
Used when materials will not stand in a vertical
Solid sheeting
position or not practical to slope the trench
Types of valves Plug, rotary,butterfly, diaphragm, gate
Entrained Air to escape a line is operating under pressure
Inlet pipe connection from the water supply
4 parts to a hydrant
main,the main valve,the barrel,the head
Post hydrants Extend above ground most commonly used
Rule of thumb Meter should b one size smaller that service line
Double check valve, reduced pressure(rp),air gap-
3basic backflow devices
provides greatest protection
https://quizlet.com/1042166914/water-distribution-level-3-2025-comprehensive-exam-questions-with-detailed-verified-and-100-correct-answers-br… 2/6
