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In a steady process, steam is expanded adiabatically in a reversible turbine and then sent to an isobaric heat exchanger (HE) to produce a saturated liquid. No shaft work is done in the heat exchanger unit. The mass flow rate of steam is 5945 kg/h. The input to the turbine is at 367.2°C and 13 bar, while the output from the heat exchanger is at 4.0 bar. If the amount of heat transfer in the HE unit is 2460 kJ per kg of steam, what is the magnitude of shaft work obtained from the turbine in kW?
A rod is subjected to a tensile load of 25k and has a diameter or 2in, determine the principle strains at a point on the surface of the rod
A Newtonian fluid is in the clearance between a shaft and a concentric sleeve. When a force of 600 N is applied to the sleeve parallel to the shaft, the sleeve attains a speed of 1 m/s. If a 1500 N force is applied, what speed will the sleeve atta..
The cash flow associated with landscaping and maintaining a certain monument in Washington, D.C., is $100,000 now and $50,000 every 5 years forever. Determine its perpetual equivalent annual worth (in years 1 through infinity)
An automobile modeled as a single-degree-of-freedom system free to vibrate in the vertical direction. In a free vibration test the amplitude of oscillation is observed to decrease from 20mm to 2 mm in one cycle which takes 3 seconds.
A 12 foot W14 X 22 column with pinned ends is axially loaded. The max load it can carry is 34 ksi. Determine (a) Euler buckling stress, (b) Euler buckling load. (A = 6.49 in^2) (ry = 1.04 in) (Iy = 7.00 in^4)
Determine the settlements when a stress of 100 kPa is applied by the building over an area of 10m × 5 m on the soil surface.
If there are 50 vehicles on a 4000-ft highway lane and the average time headway between two adjacent vehicles is 2.2 seconds. A) Calculate traffic density in vehicle/mile (vpm) and average space headway in feet/vehicle (fpv).
Write the unit of measurement and unit of payment of following items. 1) Earthwork in excavation in foundation. 2) Framwork. 3) Steelwork in trusses. 4) Damp proof course D.P.C. 5) Cement.
A rectangular culvert 4 feet x 6 feet is running full and discharging 3,500 cfm. There is no friction loss. Find the velocity in fps. The culvert empties into a 10 ft wide culvert and the velocity reduces to 0.6 fps.
determine the moment of the force f about an axis extending between A and C. Express the result as a cartesian vector. A is at the origin, C is at (4,3,0) and F = (4i + 12j -3k) lb coming out of B (4,3,-2).
in a hydrometer test , the results are as follows:Gs =2.60 , temperature of water=24c ,and R=43at 60 min after the start of sedimentation . what is the diameter , D, of the smallest -size particles
A rental company is deciding whether or not to purchase the equipment. The company estimates the equipment will create annual incomes of $110K and have annual operating costs of $20K.
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