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A hydraulic turbine is to be installed where the net head is 120 m and the normal available flow rate is 1.5 m3 /s. A 48 pole synchronous generator is available (to operate with a 60 Hz electrical system) and has an adequate power capacity matching the turbine. Determine
a. the rotational speed and the electrical power that can be delivered if the system efficiency (turbine and generator) is 85%;
b. the power specific speed of the turbine;
What type of turbine is being used in this application?
A centrifugal pump draws water from a reservoir through a 4.0 in diameter pipe and delivers it to a 2.0 inch discharge pipe. A pressure gage on the discharge pipe is located 6.0ft above the free surface of the reservoir and reads 45psig.
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A Cylinder of mass 20 lbs, radius 5in and height 10in is spinning about its axis of symmetry (central axis) at 200 rpms. What is torque required to stop it from spinning
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