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A turbine extracts energy from water flowing through a 11-cm-diameter pipe at a pressure of 700 kPa with an average velocity of 11 m/s. If the turbine is 90 percent efficient, how much energy can be produced if the water is emitted from the turbine to the atmosphere through a 19-cm-diameter pipe?
a refrigerator compressor compresses 0.5 kgs of saturated r-134a vapor at -10c to 1000 kpa and 40c. the compresser has
suppose that the mass in a mass-spring-dashpot system with m10 c9 and k2 is set in motion with x00 and x05 a find the
the rigid plate shown in figure was observed to rotate 1.2? from the vertical plane due to the action of the external
In order to increase production rate a reactor set point was increased from 160 psig to190 psig. The reactor pressure transmitter was recalibrated from 0-200 psig to 0-300 psig.
Steam at 1000kPa and 300deg C expands to a pressure of 150kPa in a cylinder. If PV = constant during the process, calculate W, Q and delta S for the process.
at room temperature 23oc a cylinder of steel has a diameter of 15.02 mm which is too large to fit into a 15 mm diameter
estimate the temperature at which the top land very top of the piston would be touching the liner that is kept at a
the metal rhodium has a fcc crystal structure. if the angle of diffraction for the 311 set of planes occurs at 36.12deg
a steel tape is used to measure a distance of 20 m at a 10 0c. assuming that the tapenbspwill measure the true distance
Helium gas enters a nozzle, whose isentropic efficiency is 95 percent with a low velocity, and it exits at 14.4 psia, 160 degrees F, and 940 ft/s. determine the temperature and pressure at the nozzle inlet.
a cylindrical flask is fitted with an airtight piston that is free to slide up and down. a mass rests on top of the
the piston-cylinder assembly shown in the figure is fitted with a linear spring. the spring constant is k 15 knm and
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