Question: please answer 38 and 37 1.38 A parameter that is often used in describing pump performance is the specific speed, NSa, given by Ns=[H(ft)]3/4N(rpm)[Q(gpm)]1/2 What

please answer 38 and 37 please answer 38 and 37 1.38 A parameter that is often used

1.38 A parameter that is often used in describing pump performance is the specific speed, NSa, given by Ns=[H(ft)]3/4N(rpm)[Q(gpm)]1/2 What are the units of specific speed? A particular pump has a specific speed of 2000. What will be the specific speed in SI units (angular velocity in rad/s )? 1.39 A particular pump has an "engineering" equation form of the performance characteristic equation given by H(It)= 1.54.5105[Q(gpm)]2, relating the head II and flow rate Q. What are the units of the coefficients 1.5 and 4.5105 ? Derive an SI version of this equation

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