The water system in a suburban area consists of old 9-inch pipeline 2,280 ft. long which conveys water from a pump to a reservolr whose water surface as 326 ft. higher than the pump. Water is pumped at the rate of 3.09 cfs. Determine the horsepower saved by replacing the old pipe with a new 12-inch pipe. Assume the values of f as equal to 0.050 and 0.012. respectively, for the old and new pipes. Neglect Losses of head except friction head.
The water system in a suburban area consists of old 9-inch pipeline 2,280 ft. long which conveys water from a pump to a reservolr whose water surface as 326 ft. higher than the pump. Water is pumped at the rate of 3.09 cfs. Determine the horsepower saved by replacing the old pipe with a new 12-inch pipe. Assume the values of f as equal to 0.050 and 0.012. respectively, for the old and new pipes. Neglect Losses of head except friction head.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Questions #1
The water system in a suburban area consists of
old 9-inch pipeline 2,280 ft. long which conveys
water from a pump to a reservolr whose water surface
as 326 ft. higher than the pump. Water is pumped at
the rate of 3.09 cfs. Determine the horsepower saved
by replacing the old pipe with a new 12-inch pipe.
Assume the values of f as equal to 0.050 and 0.012.
respectively, for the old and new pipes. Neglect
Losses of head except friction head.
A. 38.17
B. 42.89
C. 50.27
D. 54.56
Questions #2
A new cast iron pipe must carry 3.945 mm/s at a head loss of 9.8 m per 4 km length of pipe. Compute the diameter of the pipe in m using Darcy Weishback Formula with f = 0.038.
A. 1.98
B. 2.062
C. 1.744
D. 1.819
Transcribed Image Text:Figure Questions #1
Pump
-water
surface
Datum
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