Problem 6 - 72 Water is being discharged through a 150-mm-diameter pipe directly into a container that has a volume of 6 m. Find the velocity of flow through the pipe if the time required to fill the container is 3 minutes and 28.7 seconds. Ans: 1.63 m/s Problem 6-73
Problem 6 - 72 Water is being discharged through a 150-mm-diameter pipe directly into a container that has a volume of 6 m. Find the velocity of flow through the pipe if the time required to fill the container is 3 minutes and 28.7 seconds. Ans: 1.63 m/s Problem 6-73
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Please answer supplementary problems 6-72 to 6-79 ASAP. Thank you.
Transcribed Image Text:372
CHAPTER SIX
Fluid Flow Measurement
FLUID MECHANICS
& HYDRAULIS
FLUID MECHANICS
& HYDRAULICS
CHAPTER SIX
Fluid Flow Measurement
373
Problem 6 - 75
What length of a Cipolletti weir should be constructed in order that the head
of flow will be 0.96 m when the flow rate is 3.76 m/s?
Supplementary Problems
Problem 6 - 72
Ans: 2.15 m
Water is being discharged through a 150-mm-diameter pipe directly into a
container that has a volume of 6 m. Find the velocity of flow through the pipe
if the time required to fill the container is 3 minutes and 28.7 seconds.
Problem 6 - 76
ol is flowing upward through a Venturi meter as shown Assuming
discharge coefficient of 0.984, calculate the flow of oil.
Ans: 1.63 m/a
Ans 158 L/s
Problem 6 - 73
Calculate the discharge through the submerged orifice shown in the figure.
Ans: 109 lit/se
s0 P
15 kPa
Air
A
2 m
140 mm
:0.75
Water
Water
Problem 6 - 74
The truncated cone shown has 0- 60". How long does it take to draw the
liquid surface down from h = 5 m to h= 2 m?
Ans: 30.4 minutes
Glycerin
1.26
Lime
Problem 6-77
A Venturi meter having a throat diameter of 150 mm is installed in a
horizontal 300-mm-diameter water main, as shown The coefficient of
discharge is 0.982 Determine the difference in level of the mercury columns
of the differential manometer attached to the Venturi meter if the discharge is
142 L/s.
Ino mm
C-0.80
Ans h- 255 mm
Transcribed Image Text:CHAPTER SIX
374
FLUID MECHANICS
& HYDRAULICS
Fluid Flow Measurement
300 mm
150 mm
Water
Throat
Inlet
Oudet
h.
Mercury
s 13.6
Problem 6 - 78
Determine the head on a 45° V-notch weir for a discharge of 200 L/s. Use C-
0.57.
Ans: 660 mm
Problem 6 - 79
For the sluice gate shown, if C, - 0.98, what is the flow rate? If C, 0.62, what
is the height of the opening?
Ans: Q- 9.7 m/s; y = 1.45 m
Width- 2 m
2.20 m
0.90 m
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