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Saturated Steam is to be condensed on the shell side of a heat exchanger at 75°F. Cooling water enters the tubes at 50°F at a rate of 45 lbm/s and leaves at 65°F. Assuming the heat exchanger to be well-insulated, determine the rate of heat transfer in the heat exchanger and the rate of condensation of the steam.
It is desired to design a wind turbine that will output 2MW of peak electrical power at a location where the average wind speed is 10 m/s and the average ambient conditions are 85 kPa and 5 ?C. What should the rotor blade length be if the aerodynamic..
the collecting panels of a solar boiler receive energy as heat at the rate of approximately 300 btuhr-ft2 of collecting
2 instructors grade on a the curve that is give a fixed percentage of each various leter grades to each of their
For plain carbon steel, with properties at 300K in the Appendix and convection (h=50 W/m^2 K) to air at 500K. the diameter of largest solid sphere for lumped behaviour (2 part- show equivalent length is D/6 and that D for Bi
as a particle moves from the origin to 12i 6j m it is acted upon by a force given by 4i 8j n. calculate the work done
air at 7 kpa and 35 degc flows over a flat plate at 7.5 ms. the plate is 30 cm square and is maintained at 65 degc.a.
A flywheel can be considered as being composed of a thin disc and a rim. The rim weights 322 lb and has diameters of 24 in and 30 in (inside dia and outside diameter). The disc weights 64.4 lb. determine the mass moment of inertia about the censorial..
a piston cylinder device initially contains 0.5 kg of r134a at 200 kpa and a specfic volume of 0.07 m3kg. at this point
a boiler is fed with a distillate fuel oil of composition c9h16o2n0.03. combustion occurs with 20 excess air. assume
a cylinder fitted with a piston is filled with 600 lb of saturated liquid ammonia at 45 degrees f. the piston weighs 1
the piston of a piston-cylinder device containing gas has a mass of 60kg and a cross-section area of 0.04m. the local atmospheric pressure is 0.97bar, and the gravitational acceleration is 9.81ms. determine the pressure inside the cylinder?
Design a journal bearing for a centrifugal pump running at 1440 r.p.m. The diameter of the journal is 100 mm and load on each bearing is 20 KN. The factor ZN/p may be taken as 28 for centrifugal pump bearings. The bearing is running at 70 degrees Cel..
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