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Find the second-law efficiency for the open FWH in Problem 9.40.
Problem 9.40
An open FWH receives steam at 1 MPa, 200?C from the turbine and 1 MPa, 100?C water from the feed water line. Find the required fraction of the extraction flow in the turbine.
The tank is filled with water to a depth of d = 4 m. Determine the resultant force the water exerts on side A and side B of the tank. If oil instead of water is placed in the tank, to what depth d should it reach so that it creates the same result..
The evaporation rate from the surface of a 3,650-acre lake is 100 acre-ft/day. Estimate the depth change in the lake in feet during a 1-year period if the net inflow to the lake is 25 cfs. Is the depth increasing or decreasing
A cooling tower with a cooling capacity of 100 tons (440 kW) is claimed to evaporate 15,800 kg of water per day. Is this a reasonable claim?
Design a three story office building
a beam having an overall length of 24 has a 4 overhang at one end. the left support is a pin connection and the right
A reinforced concrete beam d = 18 in , and n = 10. find the diamensions b and a , that will resist a bending movement of 60 kip,ft with balanced stress reinforcement if fc =1600 psi and fs = 20 ksi
the average values of the test results at four different test temperatires were found to be 10ft.lb -(-50 F) 15 ft.lb- 0F 40 ft.lb- 40F 60 ft.lb-100 F the bridge will be located ina region where specifications require minimum of 25 ft.
what are two or three quality management tools used in data collection? what types of quality management tools do you
A sand with Gs=2.66 and e=0.60 is completely dry. It then becomes wetted by a rising groundwater table. Compute the unit weight under the following conditions: a.) when the sand is completely dry
Create another anonymous function to convert pressure in Pa (Pascals) to pressure in atmospheres (atm). Call the function Pa_to_atm . Note that 1 atm = 101,325 Pa.
A reservoir has a capacity of 2.75 million acre-ft. How many years would this supply a city of 100,000 people if evaporation is neglected. Assume a use rate of 180 gpcd.
Three components of an incompressible flow field are given by u=a(x^2-y^2), v unknown, and w=b, where a and b are constants. What must the form of the velocity component v be
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