1. The symbol for pi. Not all calculators are equipped with such a key. Multiply pi by 0.25. 2. Press the multiply button again and enter the pipe diameter squared. 3. Press the multiply
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As diameter decreases flow rate increses.
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It depends on several different factors, Reynolds number (is the flow turbulent or laminar), Prandtl number and also whether or not the flow is in an entry region. Once you know the
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velocity is given as u=sqrt(2gh) Q=uA density of water is 1kg/L g=9.8 N/kg h=6ft in meters A= to solve for. the equation for u is given by the energy balance. try to derive it. Source
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