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5) Which statement is true about the friction factor in the Moody diagram (shown below). Moody Diagram Transition Region 0.05 0.04 0.03 0.02 0.015 0.01 0.005 0.002 0.001 5x10-4 2x10-45 10-4 5x10-5 Friction Factor 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 Laminar Flow 64 Material E (mm) Concrete, coarse 0.025 Concrete, new smooth Drawn tubing 0.0025 Glass, Plastic Perspex 0.0025 Iron, cast 0.15 Sevens, old 3.0 Steel, murtat lined 0.1 Steel, rusted 0.5 0.025 Stoel, structural or forged Water mains, old Friction Factor= VAP. 1.0 Smooth Pipe 10³ 10⁰ 105 106 107 108 Reynolds Number, Re= pVd f a) The lines for different relative roughness in the turbulent regime correspond to Darcy-Weisbach model b) The lines for different relative roughness in the turbulent regime correspond to Nikuradse model c) The lines for different relative roughness in the turbulent regime correspond to Hazen-Williams model d) The lines for different relative roughness in the turbulent regime correspond to Colebrook model 0.02 0.015 0.01 Complete Turbulence; 10-5 5x10-6 10-6 Relative Pipe Roughness

5) Which statement is true about the friction factor in the Moody diagram (shown below). Moody Diagram Transition Region 0.05 0.04 0.03 0.02 0.015 0.01 0.005 0.002 0.001 5x10-4 2x10-45 10-4 5x10-5 Friction Factor 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 Laminar Flow 64 Material E (mm) Concrete, coarse 0.025 Concrete, new smooth Drawn tubing 0.0025 Glass, Plastic Perspex 0.0025 Iron, cast 0.15 Sevens, old 3.0 Steel, murtat lined 0.1 Steel, rusted 0.5 0.025 Stoel, structural or forged Water mains, old Friction Factor= VAP. 1.0 Smooth Pipe 10³ 10⁰ 105 106 107 108 Reynolds Number, Re= pVd f a) The lines for different relative roughness in the turbulent regime correspond to Darcy-Weisbach model b) The lines for different relative roughness in the turbulent regime correspond to Nikuradse model c) The lines for different relative roughness in the turbulent regime correspond to Hazen-Williams model d) The lines for different relative roughness in the turbulent regime correspond to Colebrook model 0.02 0.015 0.01 Complete Turbulence; 10-5 5x10-6 10-6 Relative Pipe Roughness

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter50: Commercial, Packaged Rooftop, Variable Refrigerant Flow, And Variable Air Volume Systems
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Problem 18RQ: Explain how carbon dioxide levels can be used to estimate the occupancy level in a particular area...
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5) Which statement is true about the friction factor in the Moody diagram (shown below). Moody Diagram 0.1 0.09 Transition Region 0.08 0.07 0.05 0.04 0,06 0.03 0.05 0.02 0.04 0.015 0.01 0.03 0.005 0.002 0.001 5x10-4 2x10-49 10-4 5x10-5 10-5 5x10-6 10-6 Friction Factor 12---- Laminar Flow 64 Material Concrete, coarse 0.25 0.025 Concrete, new smooth Drawn tubing 0.0025 Glass, Plastic Perspex 0.0025 Iron, cast 0.15 Sevens, old 3.0 0.1 Steel, mortar lined Steel, rusted 0.5 Stoel, structural or forgod 0.025 Water mains, old Friction Factor=AP. 1.0 Smooth Pipe 3000 10³ 10¹ 105 106 107 108 Reynolds Number, Re - Vd P a) The lines for different relative roughness in the turbulent regime correspond to Darcy-Weisbach model b) The lines for different relative roughness in the turbulent regime correspond to Nikuradse model c) The lines for different relative roughness in the turbulent regime correspond to Hazen-Williams model d) The lines for different relative roughness in the turbulent regime correspond to Colebrook model 0.02 0.015 0.01 (mm) Complete Turbulence; Relative Pipe Roughness
Transcribed Image Text:5) Which statement is true about the friction factor in the Moody diagram (shown below). Moody Diagram 0.1 0.09 Transition Region 0.08 0.07 0.05 0.04 0,06 0.03 0.05 0.02 0.04 0.015 0.01 0.03 0.005 0.002 0.001 5x10-4 2x10-49 10-4 5x10-5 10-5 5x10-6 10-6 Friction Factor 12---- Laminar Flow 64 Material Concrete, coarse 0.25 0.025 Concrete, new smooth Drawn tubing 0.0025 Glass, Plastic Perspex 0.0025 Iron, cast 0.15 Sevens, old 3.0 0.1 Steel, mortar lined Steel, rusted 0.5 Stoel, structural or forgod 0.025 Water mains, old Friction Factor=AP. 1.0 Smooth Pipe 3000 10³ 10¹ 105 106 107 108 Reynolds Number, Re - Vd P a) The lines for different relative roughness in the turbulent regime correspond to Darcy-Weisbach model b) The lines for different relative roughness in the turbulent regime correspond to Nikuradse model c) The lines for different relative roughness in the turbulent regime correspond to Hazen-Williams model d) The lines for different relative roughness in the turbulent regime correspond to Colebrook model 0.02 0.015 0.01 (mm) Complete Turbulence; Relative Pipe Roughness
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