question number 3.4 Transcribed Image Text: P Po+ (7-x)D develop a general expression for the mass contained in the region indicated by 0SESL 0sysl 0SISL
question number 3.4 Transcribed Image Text: P Po+
(7-x)D
develop a general expression for the mass contained in the region indicated by
0SESL
0sysl
0SISL
ection 3.2
3. To describe flow of natural gas in a pipeline, a utility company uses mass flow rates In a 10 inch
nternal diameter pipeline, the flow is 20,000 lb/h. The average density of the gas is estimated to be
10 kg/m is the volumetric flow rate in ft/s ? is the average velocity inside the pipe in m/s?
3-4. For the coating operation described in Example 3.2, we have produced an
diameter of 125 micrometers. The speed of the coated fiber at the take-up wheel is 4.5 meters per second
and the desired thickness of the polymer coating is 40 micrometers. Assume that there is no change in the
polymer density and determine the volumetric flow rate of the coating polymer that is required to achieve a
thickness of 40 micrometers
optical fiber having a
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