Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 13, Problem 13.4PP
Name four examples of rotary positive-displacement pumps.
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Chapter 13 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 13 - List 12 Factors that should be considered when...Ch. 13 - List items that must be specified for pumpsCh. 13 - Describe a positive-displacement pump.Ch. 13 - Name four examples of rotary positive-displacement...Ch. 13 - Name three types of reciprocating...Ch. 13 - Describe a kinetic pumpCh. 13 - Name three classifications of kinetic pumps.Ch. 13 - Describe the action of the impellers and the...Ch. 13 - Describe a jet pumpCh. 13 - Distinguish between a shallow-well jet pump and a...
Ch. 13 - Describe the difference between a simplex...Ch. 13 - Describe the general shape of the plot of pump...Ch. 13 - Describe the general shape of the plot of total...Ch. 13 - To the head-versus-capacity plot of Problem 13.13...Ch. 13 - To what do the affinity laws refer in regard to...Ch. 13 - Fora given centrifugal pump, if the speed of...Ch. 13 - For a given centrifugal pump, if the speed of...Ch. 13 - For a given centrifugal pump, if the speed of...Ch. 13 - For a given size of centrifugal pump casing, if...Ch. 13 - For a given size of centrifugal pump casing, if...Ch. 13 - For a given size of centrifugal pump casing, if...Ch. 13 - Describe each part of this centrifugal pump...Ch. 13 - For the line of pumps shown in Fig.13.22 specify a...Ch. 13 - For the line of pumps shown in Fig. 13.22 ,...Ch. 13 - For the 2x310 centrifugal pump performance curve...Ch. 13 - For the 2310 centrifugal pump performance curve...Ch. 13 - Using the result from Problem 13.26 describe how...Ch. 13 - For the centrifugal pump performance curve shown...Ch. 13 - Prob. 13.29PPCh. 13 - State some advantages of using a variable-speed...Ch. 13 - Describe how the capacity, efficiency, and power...Ch. 13 - If two identical centrifugal pumps are connected...Ch. 13 - Describe the effect of operating two pumps in...Ch. 13 - For each of the following sets of operating...Ch. 13 - For the 112313 centrifugal pump performance curve...Ch. 13 - For the 6817 centrifugal pump performance curve...Ch. 13 - Figure 13.52 shows that a mixed-flow pump is...Ch. 13 - Compute the specific speed for a pump operating at...Ch. 13 - Compute the specific speed for a pump operating at...Ch. 13 - Compute the specific speed for a pump operating at...Ch. 13 - Compute the specific speed for a pump operating at...Ch. 13 - It is desired to operate a pump at 1750 rpm by...Ch. 13 - Define net positive suction head (NPSH).Ch. 13 - Distinguish between NPSH available and NPSH...Ch. 13 - Describe what happens to the vapor pressure of...Ch. 13 - Describe why it is important to consider NPSH when...Ch. 13 - For what point in a pumping system is the NPSH...Ch. 13 - Discuss why it is desirable to elevate the...Ch. 13 - Discuss why it is desirable to use relatively...Ch. 13 - Prob. 13.50PPCh. 13 - If we assume that a given pump requires 7.50 ft of...Ch. 13 - Determine the available NPSH for the pump in...Ch. 13 - Find the available NPSH when a pump draws water at...Ch. 13 - A pump draws benzene at 25 C from a tank whose...Ch. 13 - Determine the available NPSH for the system shown...Ch. 13 - Determine the NPSH available when a pump draws...Ch. 13 - Determine the NPSH available when a pump draws...Ch. 13 - Determine the NPSH available when a pump draws...Ch. 13 - Determine the NPSH available when a pump draws...Ch. 13 - Repeat Problem 13.56 if the pump is 44 in below...Ch. 13 - Repeat Problem 13.59 if the pump is 27 in above...Ch. 13 - Repeat Problem 13.57 if the pump is 1.2 m below...Ch. 13 - Repeat Problem 13.58 if the pump is installed...Ch. 13 - A pump draws propane at F (sgfrom a tank whose...Ch. 13 - A pump draws propane at 45 C (sg =0.48 ) from a...
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- Explain why it is usually not wise to arrange two (or more) dissimilar pumps in series or in parallel.arrow_forwardSelect the number and type (ns ) of centrifugal pumps for a pumping station that must deliver 130 m3/s against a head of 50 m at 180 rpm. Assume NPSH on pumps is +5 m. Use identical single-stage pumps in parallel. Ans. 110 pumpsarrow_forwardAn axial flow pump operating at a speed of 880 rpm can supply water at a rate of 7000 gpm. The maximum head that this pump can deliver in feet is ___________(whole number)arrow_forward
- What is sucker rod pump? What it is used for? Briefly explain the working principle of sucker rod pump. Differentiate at least six points between the sucker rod pump and centrifugal pump.arrow_forwardDetermine the least number of stages for a multi stage pump to deliver 60L/s against a total head of 210 meters when running at 1453rpm. If the specific speed must not be less than 675.arrow_forwardThe two-lobe rotary pump moves 0.145 gal of a coal slurry in each lobe volume Vlobe. Calculate the volume flow rate of the slurry (in gpm) for the case where n. = 220 rpm.arrow_forward
- A) Draw the neat diagram of the Double acting and triple acting reciprocating pumps. Label all the parts. (b). How the plunger type reciprocating pumps are different from the Diaphragm type pumps. Write clearly the benefits of the Diaphragm type of pumps in fluid transportation.arrow_forwardAnswer the following questions; a. From the lectures notes list four advantages of fluid power system. b. Explain the reason for the hydraulic systems are mainly preferred for heavy work than the pneumatic systems. c. It is generally referred to the fluid power system to be the muscle of industry, explain briefly why? d. Define the terms; absolute viscosity, and kinematic viscosity e. How would you specify a pump?arrow_forwardDefine NPSH of a pump. What is the difference between NPSHR and NPSHA?arrow_forward
- The three-lobe (on each rotar) rotary pump moves 0.145 gal of a coal slurry in each lobe volume Vlobe = 0.103 gal. Calculate the volume flow rate of the slurry (in gpm) for the case where n. = 220 rpm.arrow_forwardA multi-stage centrifugal pump is to deliver 500 gpm of water at a total head 250 ft. Specific speed is 300 rpm and rotative rpm is 500 rpm. a) Determine the number of stages required b) If a single stage pump is used, what would be the rotative rpm, Ns = 300 rpm.arrow_forward1. Determine the recommended speed (rpm) for a radial flow pump operating at 0.112m^3/s of water against a head of 332m. Answer: 2460.35 rpmarrow_forward
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