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the solution of flow of water in a pipe network is shown in fig p1130 computea the hydraulic grade line throughout the
consider the 371-mm-diameter pump curve of fig 129 if the pump is run at 1200 rpm to deliver 08 m3 s of water find the
in problem 128 how high above the suction reservoir can the pump running at 1200 rpm be located if the water
prepare dimensionless performance curves for the 205-mm-diameter radial flow pump of fig 126 compare these with the
the suction and discharge pipes of a pump are connected to a differential mercury manometer the diameter of the suction
a centrifugal pump with the dimensions r2 25 in b2 040 in b2 60deg is pumping kerosene s 080 at a rate of 2 galsec
an axial-flow pump has a stator blade positioned upstream of the impeller and it provides an angle alpha1 60deg to the
for the system shown in fig p126 water flows through the pump at a rate of 50 ls the allowable npsh provided by the
during a test on a water pump no cavitation is detected when the gage pressure in the pipe at the pump inlet is 99 psi
a pump running at 400 rpm discharges water at a rate of 85 ls the total head rise across the pump is 76 m and the
a pump operating under the conditions stated in problem 1216 has a maximum efficiency of 070 if the same pump is now
a manufacturer desires to double both the discharge and head on a geometrically similar pump determine the change in
a hydroelectric site has available ht 80 m and q 3 m3 s it is proposed to use a francis turbine unit with the
determine the power output the type of turbine and the approximate speed for the installation shown in fig p1240
in problem 1226 assume that the only axial pump available is one from the family shown in fig 1213 if the diameter of
it is desired to pump 600 m3 h of liquid ammonia rho 607 kgm3 at a speed of 2500 rpm and a pressure rise of 1000 kpaa
crude oil s 086 is to be pumped through 3 miles of 18-in-diameter cast iron pipe the elevation rise from the upstream
a model pump fig p1232 delivers 80degc water at a speed of 2400 rpm it begins to cavitate when the inlet pressure pi
it is required to pump water at 125 m3 s from a lower to an upper reservoir the water surface in the lower reservoir is
carbon tetrachloride at 20degc is pumped from a tank opened to the atmosphere through 200 m of 50-mm-diameter smooth
a wind tunnel with a test section 1 m 2 m is powered by an axial fan 15 m in diameter the velocity in the test section
a francis turbine has the following dimensions r1 45 m r2 25 m b1 b 085 m b1 75deg b2 100deg the angular speed is
a model francis turbine at 15 full scale develops 3 kw at 360 rpm under a head of 18 m find the speed and power of the
a model is to be built for studying the performance of a turbine having a runner diameter of 3 ft maximum output of
the flow rate of water in a 12-cm-diameter pipe is measured with a 6-cm-diameter venturi meter to be 009 m3 s what is