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a pump forces 1 m3/min of water horizontally from an open well to a closed tank where the pressure is 0.9MPa. compute the work the pump must do upon the water in an hour just to force the water into the the tank against the pressure.
A feed water heater in a power plant has two inflows: 0.5 kg/s steam at 320°C and 7 bar and 4.5 kg/s liquid water at 35°C and 7 bar. A single flow exits the feed water heater. Assuming no heat transfer with the surroundings and constant pressure fo..
If a Germanium wafer, which is uniformly doped with Gallium to a concentration of 5.55? 10^23 (m^3)^-1, has an electrical conductivity of 17,000 (?m)^-1 determine the mobility of the charge carriers in (m^2 / (V sec)). (Recall each gallium atom will ..
consider a piston-cylinder assembly containing 0.14 kg of air initially at a pressure of 350 kpa. heat is added during
You arrive home from a winter trip and turn on your baseboard (resistance coil) heater to warm the room. It remains on for 52 minutes, during which time it steadily consumes 3 kW of electricity. How much energy was transferred to the room in kJ?
A 2-dimensional potential flow is produced by three identical sources, each of strength Q. The sources are located at (x,y) = (-1,0), (0,1), and (0,-1).
Superimpose a uniform ?ow parallel to the x-axis of 10 m=s and a source at the origin of strength q ¼ 10p m2/s. (a) Write the velocity potential f and stream function c.
25 Superheated steam at 20 MPa, 560 degree C enters the turbine of a vapor power plant. The pressure at the exit of the turbine is 0.5 bar, and liquid leaves the condenser at 0.4 bar at 75 degree C.
an electric-powered water pump must fill up a 50000 gallon elevated water tank in which the water averages 60 feet
contrary to what you might expect a solid steel ball can float on water due to the surface tension effect. determine
a piston-cylinder device contains 1m3 liquid water of saturated liquid water at 200 c. the water is expanded
1 for a separations process it is necessary to determine the vle compositions of a mixture of ethyl bromide and
steam enters a nozzle at 30 bars and 320c and leaves at 15 bars with a velocity of 535 ms. the mass flow rate is 8000
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