The pipe in the figure was erased when Joe Marketer spilled his coffee on the pa

Question

The pipe in the figure was erased when Joe Marketer spilled his coffee on the paper, fortunately engineers can get all this information from the EGL and HGL-no problem. The pipe went from the opening at the bottom of the tank to just above point B and then to point C. The nozzle that causes a jet of water is still shown near point C. a) which way does water flow? Right to left, left to right, water is not flowing b) What is the water velocity in ft/s at point C, the jet caused by the nozzle c) Which of the two pipe sections has a greater velocity one before the pump or one after the pump

Explanation / Answer

(a) Water flowing from A to C, means from left to right, because the slope of the EL, or HGL is downwards towards right, which shows the friction losses in pipe as water moves to right.

(b) velocity head is given to be 4.3', so velocity V = sqr.root(4.3*2*g)= sqr.root(4.3*2*32.24) = 16.651 ft/sec

(c) As shown by the spacing between the EL and HGL, the velocity head is smaller in pipe AB i.e. before pump, the velocity is small in AB and larger in BC. BC has large velocity heas.

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