Please could you state which formulae you are using before applying it so I can see how the question is answered Thanks Figure 3.1 shows a water tank with a pressure meter and a valve. When the valve isclosed, the reading from the pressure meter is 21 kN/m². The valve is then opened,and the water flows out until the reading from pressure meter shows the value of5.5 kN/m². Assume that the water head loss is negligible, then(a) calculate the water height level, h, measured from the valve outlet;(b) if the outlet diameter is 50 mm, calculate the flow rate when the valve isopen and the reading from the pressure meter is 5.5 kN/m²;(c) if we seal the top of water tank with a lid (air tight), describe what happenswhen we open the water valve? State your assumptions.hVPressuremeterValve

Assumptions i) water flows out to the open atmosphere from the valve outlet. ii) The tank is large…

Answered: formulae

Engineering

Mechanical Engineering

formulae

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Please could you state which formulae you are using before applying it so I can see how the question is answered

Thanks

Figure 3.1 shows a water tank with a pressure meter and a valve. When the valve is
closed, the reading from the pressure meter is 21 kN/m². The valve is then opened,
and the water flows out until the reading from pressure meter shows the value of
5.5 kN/m². Assume that the water head loss is negligible, then
(a) calculate the water height level, h, measured from the valve outlet;
(b) if the outlet diameter is 50 mm, calculate the flow rate when the valve is
open and the reading from the pressure meter is 5.5 kN/m²;
(c) if we seal the top of water tank with a lid (air tight), describe what happens
when we open the water valve? State your assumptions.
h
V
Pressure
meter
Valve

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