113 Figure 11.15 shows a portion of a hydraulic circuit. 15e pressure at point B must be 200 psig when the volume fow rate is 60 gal/min. The hydraulic fluid has a specific grav ity of 0.90 and a dynamic viscosity of 6.0 x 10Ibs fr The total length of pipe between A and B is 50 ft. The

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can ypu please find solution for the question number 11.3

hangeri, and supports. Site includes an extensive amount of
design information on pipe hangers, sizes and weights of pipr.
5. Ultimate Fire Sprinkler Guide: A huge set of links to soarces
8. Cooper B-Line: Manufacturer of pipe hangers, anchor sys
Also, publishes other references pertinent to the study of fluid
trial pumped piping systems Included ate pipe. titing
for components for fire sprinkler aystems and similar indus
7. Anvil International: Manufacturer of pipe tittings, pipe
NEPA 13, Standard for the Installation of Sprinkler Systema
lisher of codes and standards for fire protection including
9. eCompressedair: From the bottom of the home page, seiect
National
FG
2-in SchedlE
mechanics, such as The Fire Pump Handlook.
the pump atA
hich the pressure al n must tbe 500 psig while the flow
ar is 750 gal/min. The fhud is a medium machine tool
buntraulic oil. The total length ot the 4 in pipe is 40 t The
hoes are standard Neglect the energy loss due to fric-
tion in the 6-in pipe Calculate the required pressure at A
f the oil is (a) at 104"F and (b) at 212E
Control
25
pumps valves, and many others.
valve
K-65
seianic effects, and thermal considerations
bown in Fig. 11.17. Data for the system are as follows
Oil specific weight -8 80 KN/m
. Oil kinematic viscosity - 2,12x 10
. Length of DN 150 pipe 180 m
Length of DN 50 pipe 8 m
tems, and supports for piping and electrical cables,
Pamp
Main Library, then seiect Piping Systeme for an extensive sete
documents giving guidelines for the design and installation of
FIGURE 11.15 Problem 11.3.
FIGURE 11.16 Problem 11.4.
10 American Water Works Association: An international nun
profit scientific and educational society dedicated to th
improvement of drinking water quality and supply. Itin he
authoritative resource for knowledge, information, and advo
cacy for improving the quality and supply of drinking water in
North America and beyond.
Sudden
enlargement
Plow
sin
Bodh pipes Schedule 80 stael
PRACTICE PROBLEMS
in
Class I Systems
11.1 Water at 10°C flows from a large reservoir at the rate of
1.5 x 10m/s through the system shown in Fig. 11.13.
Calculate the pressure at B.
11.2 For the system shown in Fig 11.14, kerosene (g = 0.82)
at 20°C is to be forced from tank A to reservoir B by in-
creasing the pressure in the sealed tank A above the kero-
sene. The total length of DN 50 Schedule 40 steel pipe is
38 m. The elbow is standard. Calculate the required pres
sure in tank A to cause a flow rate of 435 L/min
11.3 Figure 11.15 shows a portion of a hydraulic circuit. The
pressure at point B must be 200 psig when the volume flow
rate is 60 gal/min. The hydraulic fluid has a specific grav
ity of 0.90 and a dynamic viscosity of 6.0 x 10b-s fr.
The total length of pipe between A and B is 50 ft. The
FIGURE 11.17 Problem 11.5.
DN 50 Schedale 80
teel pipe
DN 150 Schedule 80 45 m
steel pipe
Flow
Reducer
sudden contraction
Transcribed Image Text:hangeri, and supports. Site includes an extensive amount of design information on pipe hangers, sizes and weights of pipr. 5. Ultimate Fire Sprinkler Guide: A huge set of links to soarces 8. Cooper B-Line: Manufacturer of pipe hangers, anchor sys Also, publishes other references pertinent to the study of fluid trial pumped piping systems Included ate pipe. titing for components for fire sprinkler aystems and similar indus 7. Anvil International: Manufacturer of pipe tittings, pipe NEPA 13, Standard for the Installation of Sprinkler Systema lisher of codes and standards for fire protection including 9. eCompressedair: From the bottom of the home page, seiect National FG 2-in SchedlE mechanics, such as The Fire Pump Handlook. the pump atA hich the pressure al n must tbe 500 psig while the flow ar is 750 gal/min. The fhud is a medium machine tool buntraulic oil. The total length ot the 4 in pipe is 40 t The hoes are standard Neglect the energy loss due to fric- tion in the 6-in pipe Calculate the required pressure at A f the oil is (a) at 104"F and (b) at 212E Control 25 pumps valves, and many others. valve K-65 seianic effects, and thermal considerations bown in Fig. 11.17. Data for the system are as follows Oil specific weight -8 80 KN/m . Oil kinematic viscosity - 2,12x 10 . Length of DN 150 pipe 180 m Length of DN 50 pipe 8 m tems, and supports for piping and electrical cables, Pamp Main Library, then seiect Piping Systeme for an extensive sete documents giving guidelines for the design and installation of FIGURE 11.15 Problem 11.3. FIGURE 11.16 Problem 11.4. 10 American Water Works Association: An international nun profit scientific and educational society dedicated to th improvement of drinking water quality and supply. Itin he authoritative resource for knowledge, information, and advo cacy for improving the quality and supply of drinking water in North America and beyond. Sudden enlargement Plow sin Bodh pipes Schedule 80 stael PRACTICE PROBLEMS in Class I Systems 11.1 Water at 10°C flows from a large reservoir at the rate of 1.5 x 10m/s through the system shown in Fig. 11.13. Calculate the pressure at B. 11.2 For the system shown in Fig 11.14, kerosene (g = 0.82) at 20°C is to be forced from tank A to reservoir B by in- creasing the pressure in the sealed tank A above the kero- sene. The total length of DN 50 Schedule 40 steel pipe is 38 m. The elbow is standard. Calculate the required pres sure in tank A to cause a flow rate of 435 L/min 11.3 Figure 11.15 shows a portion of a hydraulic circuit. The pressure at point B must be 200 psig when the volume flow rate is 60 gal/min. The hydraulic fluid has a specific grav ity of 0.90 and a dynamic viscosity of 6.0 x 10b-s fr. The total length of pipe between A and B is 50 ft. The FIGURE 11.17 Problem 11.5. DN 50 Schedale 80 teel pipe DN 150 Schedule 80 45 m steel pipe Flow Reducer sudden contraction
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