P2.44 Water flows downward in a pipe at 45°, as shown in Fig. P2.44. The mercury manometer reads a 6-in height. The pressure drop p2 – pi is partly due to friction and partly due to gravity. Determine the total pressure drop and also the part due to friction only. Which part does the manometer read? Why? 45 Flow Water 6 in Mercury

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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P2.44 Water flows downward in a pipe at 45°, as shown in Fig. P2.44. The mercury
manometer reads a 6-in height. The pressure drop p2 – pi is partly due to friction and partly
due to gravity. Determine the total pressure drop and also the part due to friction only.
Which part does the manometer read? Why?
45
Flow
Water
6 in
Mercury
Fig. P2.44
Transcribed Image Text:P2.44 Water flows downward in a pipe at 45°, as shown in Fig. P2.44. The mercury manometer reads a 6-in height. The pressure drop p2 – pi is partly due to friction and partly due to gravity. Determine the total pressure drop and also the part due to friction only. Which part does the manometer read? Why? 45 Flow Water 6 in Mercury Fig. P2.44
Expert Solution
Step 1

Given Data :

pipe at an angle = 45o

Mercury height = 6 in

pressure drop P2 - P

Now, consider the h distance down from the point 2 towards the interface of water- mercury in the right 

By using the hydrostatic Formula and apply it to the point 1 to point 2

 

 

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