WATER DISTRIBUTION PRACTICE TEST D1
D2 TEST BANK SOLVED QUESTIONS AND
COMPLETE ANSWERS GUARANTEED PASS
●● Nitrate may not exceed what concentration when tested yearly for a
groundwater treatment plant ?
Answer: 10 mg/L
●● The minimum number of total coliform samples that must be
collected per month is based on Wich of the following ?
Answer: The population served by the system
●● When a distribution bacteriological sample is positive for a total
coliform the procedure is ?
Answer: Repeat the sample and take a sample 5 connections upstream
and downstream to confirm total coliform
●● For lead and copper sample the water must be In the pipeline for at
least?
Answer: 6 hours
●● What is hydraulic grade line ?
, Answer: A line to which the water level would rise in a small ,vertical
tube,connected to the pipe
●● How often should cathodic protection anodes in your system be
inspected?
Answer: Every year
●● Water pipelines are generally designed to carry water at a velocity
below ?
Answer: 2.5b FPS. Feet per second
●● Energy use in water systems is defined best by ?
Answer: Energy use varies among systems and an energy inventory
study would need to be conducted to determine relationships
●● The minimum recommended separation distance between a water
main and a storm sewer is ?
Answer: 6 feet
●● Which of the following should be in an organization plan ?
Answer: Identifies clear lines ,defines the divisions of labor ,establishes
unity of command
D2 TEST BANK SOLVED QUESTIONS AND
COMPLETE ANSWERS GUARANTEED PASS
●● Nitrate may not exceed what concentration when tested yearly for a
groundwater treatment plant ?
Answer: 10 mg/L
●● The minimum number of total coliform samples that must be
collected per month is based on Wich of the following ?
Answer: The population served by the system
●● When a distribution bacteriological sample is positive for a total
coliform the procedure is ?
Answer: Repeat the sample and take a sample 5 connections upstream
and downstream to confirm total coliform
●● For lead and copper sample the water must be In the pipeline for at
least?
Answer: 6 hours
●● What is hydraulic grade line ?
, Answer: A line to which the water level would rise in a small ,vertical
tube,connected to the pipe
●● How often should cathodic protection anodes in your system be
inspected?
Answer: Every year
●● Water pipelines are generally designed to carry water at a velocity
below ?
Answer: 2.5b FPS. Feet per second
●● Energy use in water systems is defined best by ?
Answer: Energy use varies among systems and an energy inventory
study would need to be conducted to determine relationships
●● The minimum recommended separation distance between a water
main and a storm sewer is ?
Answer: 6 feet
●● Which of the following should be in an organization plan ?
Answer: Identifies clear lines ,defines the divisions of labor ,establishes
unity of command
