Water is flowing at a rate of 500 gal/min in a horizontal pipe. the pipe is 500 ft long and contains two standard 90° elbows and a swing-type check valve. the pressure drop in the pipe line is 0.85 psig. what would be the diameter of the pipe? [density of water is 1000 kg/m: viscosity of water is 1.002 cp; relative roughness of the pipe is 0.00015 ft

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Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.