Fox and McDonald's Introduction to Fluid Mechanics
9th Edition
ISBN: 9781118912652
Author: Philip J. Pritchard, John W. Mitchell
Publisher: WILEY
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Chapter 1, Problem 30P
A parameter that is often used in describing pump performance is the specific speed,
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Q5: The following solution in blue is provided by ChatGPT for the following question. Please find out the
errors it made and show the step-by-step solution by yourself.
Water in a vertical (i.e., gravitational force of the fluid in the nozzle plays a role, and the elevation
change in the Bernoulli's Equation, if needed, should be considered) pipe is charging from an attached
bend nozzle into the atmosphere as shown in Fig. 5. The nozzle's weight is 20 kg. The pipe and the
nozzle are connected by a flange. The gage pressure of the flow at the flange is 35 kPa when the
discharge rate is 0.1 m³/s. The volume of the bending nozzle is 0.012 m³. Calculate the vertical
component of the anchoring forcing required to hold the nozzle in place and determine its direction. G=
9.81 m/s². The density of water is 1000 kg/m³.
Nozzle
Area-0.01m²
P-35 kPa
Area -0.025
Figure 5: Q5
35 degree
ChatGPT solution:
This is a challenging problem that requires some knowledge of fluid mechanics and calculus. I…
Ql: The viscosity in industrial measurement continue to use the CGS system of
Lunits, since centimeters and grams vield convenient numbers for many fluids. The
absolute viscosity () unit is the poise, I poise = 1 gtem. s). The kinematic viscosity
(v) unit is the stohes, I stokes = 1 em /s. Water at 20C has u = 001 poise and also
V= 0.01 stokes. Express these resalts in (a) SI and (h) BG tanits.
Find the flow rate, net head, and efficiency of the pumps if they are operating separately. Show on the graph you have drawnas a representative how you have determined by using the graph. Using the graphs, show your selection and calculations onthe graph (you can draw the graphs on excel)
ÖN=5
Chapter 1 Solutions
Fox and McDonald's Introduction to Fluid Mechanics
Ch. 1 - A number of common substances are Some of these...Ch. 1 - Give a word statement of each of the five basic...Ch. 1 - The barrel of a bicycle tire pump becomes quite...Ch. 1 - Very small particles moving in fluids are known to...Ch. 1 - In a combustion process, gasoline particles are to...Ch. 1 - In a pollution control experiment, minute solid...Ch. 1 - A rocket payload with a weight on earth of 2000 lb...Ch. 1 - A cubic metre of air at 101 kPa absolute and 15C...Ch. 1 - Calculate the specific weight, specific volume,...Ch. 1 - For Problem 1.6, find the distance the particles...
Ch. 1 - A sky diver with a mass of 70 kg jumps from an...Ch. 1 - The English perfected the longbow as a weapon...Ch. 1 - For each quantity listed, indicate dimensions...Ch. 1 - The density of a sample of sea water is 1.99...Ch. 1 - A pump is rated at 50 hp. What is the rating in kW...Ch. 1 - A fluid occupying 3.2m3 has a mass of 4 Mg....Ch. 1 - If a power plant is rated at 2000 MW output and...Ch. 1 - For each quantity listed, indicate dimensions...Ch. 1 - Derive the following conversion factors: (a)...Ch. 1 - Express the following in SI units: (a) 5 acreft...Ch. 1 - Express the following in SI units: (a) 100...Ch. 1 - Express the following in BG units: (a) 50 m2 (b)...Ch. 1 - While youre waiting for the ribs to cook, you muse...Ch. 1 - Derive the following conversion factors: (a)...Ch. 1 - The kilogram force is commonly used in Europe as a...Ch. 1 - From thermodynamics, we know that the coefficient...Ch. 1 - The maximum theoretical flow rate (slug/s) through...Ch. 1 - The mean free path of a molecule of gas is the...Ch. 1 - A container weighs 3.5 lbf when empty. When filled...Ch. 1 - A parameter that is often used in describing pump...Ch. 1 - Calculate the density of standard air in a...Ch. 1 - The mass of the standard American golf ball is...Ch. 1 - A can of pet food has the following internal...Ch. 1 - The mass flow rate in a water flow system...Ch. 1 - The mass flow rate of water in a tube is measured...Ch. 1 - The mass of the standard British golf ball is 45.9...Ch. 1 - From Appendix A, the viscosity (Ns/m2) of water at...Ch. 1 - An enthusiast magazine publishes data from its...Ch. 1 - The height of a building may be estimated by...Ch. 1 - An American golf ball is described in Problem 1.32...
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