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Exam (elaborations)
Water Distribution - Additional Sample Questions and Answers(SCORED A)
Water Distribution - Additional Sample Questions and Answers(SCORED A) 
A 6-in. pipeline needs to be flushed. If the desired length of pipeline to be flushed is 316 ft, how many minutes will it take to flush the line at 31 gpm? 
 
a. 10 minutes 
b. 15 minutes 
c. 30 minutes 
d. 60 minutes - ANSWER Answer: b. 15 minutes 
 
What is the area of a trench that is 22.4 ft long and 3.3 ft wide? 
 
a. 26 sq ft 
b. 74 sq ft 
c. 143 sq ft 
d. 187 sq ft - ANSWER Answer: b. 74 sq ft 
 
Which of the followin...
Exam (elaborations)
Water Distribution - Additional Sample Questions Test Bank Latest Update 2025/2026
PopularA 6-in. pipeline needs to be flushed. If the desired length of pipeline to be flushed is 316 ft, how many minutes will it take to flush the line at 31 gpm? 
 
a. 10 minutes 
b. 15 minutes 
c. 30 minutes 
d. 60 minutes - CORRECT ANSWER-Answer: b. 15 minutes 
 
What is the area of a trench that is 22.4 ft long and 3.3 ft wide? 
 
a. 26 sq ft 
b. 74 sq ft 
c. 143 sq ft 
d. 187 sq ft - CORRECT ANSWER-Answer: b. 74 sq ft 
 
Which of the following is typically associated with trihalomethanes? 
 
a. Hi...