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Consider a steam power plant that operates on a simple nonideal Rankine cycle and has a net power output of 38 MW. Steam enters the turbine at 7MPa and 500C and is cooled in the condenser at a pressure of 10 kPa by running cooling water from a lake through the tubes of the condenser at a rate of 1550 kg/s. if the efficiencies of the pump and compressor are both 87%, determine
a) the thermal efficiency of the cycle
b) the mass flow rate of steam
c) the temperature rise of the cooling water dont know how to solve (c)
the molar volume cm3mol of a binary liquid mixture at t and p is given by v 120x170x215x18x2x1x2a find expressions for
conventional ceramics have a fracture toughness of about 5 while advanced ceramics may have 20. determine1 how larger
1 water at 15 degrees celcius flows through a nozzle that contracts from a diameter of 10cm to 2cm. the exit speed is
liquid water enters a 25-kw pump at 100-kpa pressure at a rate of 5 kgs. determine the highest pressure the liquid
a what is the approximate ductility el of a brass alloy that has a yield strength of 275mpa? what is its tensile
consider a fuel cell pt1h2 0.5 atmnaoh 1mo2 1 atmpt2a which pt electrode is the cathode and explain why?b what are two
a building has a peak heating load equal to 18.3 kw and a peak cooling load of 23.8 kw. estimate the seasonal heating
measurements of drag force are made on a model automobile in a towing tank filled with fresh water. the model length is
10 kg of superheated water vapor at 200 acircdegc and 1.2 mpa is condensed isobarically to a saturated mixture with a
Determine the smallest horizontal force required to pull out wedge A. The crate has a weight of 200 and the coefficient of static friction at all contacting surfaces is = 0.7. Neglect the weight of the wedge.
Consider 1.0 kg of austenite containing 1.15 wt% C, cooled to below 727 degrees Celcius (1341 degrees Farenheit).
steam at 1000 lbfin2 600 f enters a valve operating at steady-state and undergoes a throttling process. let to70 f and
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