7) Why do we need an iterative procedure to determine the pipe size to pass a given flow between two reservoirs with known elevations, pipe lengths and pipe material? a) The minor losses are not known a priori b) The set up reflects an undetermined system, i.e. more unknowns than equations The friction loss is an unknown because of unknown velocities that are a fct of D Without Re number there is no immediate identification of the friction factor f
7) Why do we need an iterative procedure to determine the pipe size to pass a given flow between two reservoirs with known elevations, pipe lengths and pipe material? a) The minor losses are not known a priori b) The set up reflects an undetermined system, i.e. more unknowns than equations The friction loss is an unknown because of unknown velocities that are a fct of D Without Re number there is no immediate identification of the friction factor f
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:7) Why do we need an iterative procedure to determine the pipe size to pass a given flow
between two reservoirs with known elevations, pipe lengths and pipe material?
a) The minor losses are not known a priori
b) The set up reflects an undetermined system, i.e. more unknowns than equations
The friction loss is an unknown because of unknown velocities that are a fct of D
Without Re number there is no immediate identification of the friction factor f
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