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The water in a large lake is to be used to generate electricity by the installation of a hydraulic turbine-generator at a location where the depth of the water is 50 m. Water is to be supplied at a rate of 5000 kg/s. If the electric power generated is measured to be 1862 kW and the generator efficiency is 95%, determine a) the overall turbine-generator efficiency, b) the mechanical efficiency of the turbine, and c) the shaft power supplied by the turbine to the generator.
How does artificial aging affect KIC in a 7075 alloy? Which is likely to have a higher KIC: 7075-T6 or 7075-T7? Explain.
what speed will the sleeve attain? The temperature oƒ the sleeve remains constant.
If an identical spring is cut so that one part is one-fourth and the other part three-fourths of the original length, and the mass m is connected to the two parts, what would be the natural period of the system?
(a) The temperature profile as a function of radial position
consider the equation dydt y2y2-1 a- determine the equilibria and classify each one as asymptotically stable unstable
find the natural frequencies of oscillation of the double-pendulum below where m1=m2=m, and L1=L2=L.
what was its velocity during this time? (Hint: Take the origin to be the location of the radar.)
A power outage occurred at a water distribution pump station. Before the power outage the station was pumping with one pump at 6,000 gpm in a 18" diameter Steel Pipe
based solely on static elevation head if the water level in a city water tower is 860 feet above sea level and the
a cylindrical specimen of a brass alloy 10.0 mm 0.39 in. in diameter and 120.0 mm 4.72 in. long is pulled in tension
Design a flat roof meeting certain mechanical performance criteria. The basic structure of the roof is a series of rectangular-section 'joists', made from softwood, that span the space to be covered by the roof.
a rigid container with a volume of 0.17m3 is initially filled with steam at 180kpa 340c. it is colled to 90c. a at what
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