Question

22. A barrel full of rainwater has a spigot near the bottom, at a depth of 0.80 m beneath the water surface. When the spigot is directed horizontally (Fig. 13) and is opened, calculate how fast does the water come out? (5) SPHS000 ASSIGNMENT 3 :FLUID MECHANICS 2022 (a) Figure 13 0.8 cm A. 7.8 m/s B. 0.4 m/s C. 8.1 m/s D. 1.3 m/s 23. Determine the length of a pipe if a pressure difference of 1.1 x 10³ Pa is needed to drive water with a viscosity (? = 1.0 x 10?³ Pa.s) through a pipe whose radius is 6.4 x 10?³ m. The volume flow rate of the water is 3.2 x 10?? m³/s. (3) A. 1.77 m B. 2.26 m C. 3.29 m D. 2.00 m

          22. A barrel full of rainwater has a spigot near the bottom, at a depth of 0.80 m beneath the water surface. When the spigot is directed horizontally (Fig. 13) and is opened, calculate how fast does the water come out?
(5)
SPHS000 ASSIGNMENT 3 :FLUID MECHANICS 2022
(a)
Figure 13
0.8 cm
A. 7.8 m/s
B. 0.4 m/s
C. 8.1 m/s
D. 1.3 m/s
23. Determine the length of a pipe if a pressure difference of 1.1 x 10³ Pa is needed to drive water with a viscosity (? = 1.0 x 10?³ Pa.s) through a pipe whose radius is 6.4 x 10?³ m. The volume flow rate of the water is 3.2 x 10?? m³/s.
(3)
A. 1.77 m
B. 2.26 m
C. 3.29 m
D. 2.00 m

22. A barrel full of rainwater has a spigot near the bottom, at a depth of 0.80 m beneath the water surface. When the spigot is directed horizontally (Fig. 13) and is opened, calculate how fast does the water come out?
(5)
SPHS000 ASSIGNMENT 3 :FLUID MECHANICS 2022
(a)
Figure 13
0.8 cm
A. 7.8 m/s
B. 0.4 m/s
C. 8.1 m/s
D. 1.3 m/s
23. Determine the length of a pipe if a pressure difference of 1.1 x 10³ Pa is needed to drive water with a viscosity (? = 1.0 x 10?³ Pa.s) through a pipe whose radius is 6.4 x 10?³ m. The volume flow rate of the water is 3.2 x 10?? m³/s.
(3)
A. 1.77 m
B. 2.26 m
C. 3.29 m
D. 2.00 m

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