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Steam expands in an turbine operating in steady-state conditions with a mass flow rate of 40,000 kg/hr. The steam enters the turbine at 8 MPa and 500 C, and exits as a saturated vapor at 40 kPa. If the power generated by the turbine is 8.2 MW, what is the rate of entropy generation, assuming the surrounds are at 25 C?
You should provide the structural engineer with a formal typed report that will include all of your analyses and final size of the footing. You should also include all of your design assumptions in your report.
A plane flow field is developed by addition of a free vortex and a uniform stream in the positive x direction. If the vortex is located a distance a from the origin, find the pressure variation in the flow field.
Determine the force P required to move the wedge under the post. The coefficient of static friction between all surfaces is 0.25. The applied force F is 200 lbs and the angle alpha is 15 degrees.
At a temperature of 60 F, a .04 in gap exists between the ends of the two bars. Bar 1 is an aluminum alloy [E=10,000ksi, v=.32, alpha=12.5x10^-6/F] bar with a width of 3 in and a thickness of .75 in.
The coefficient of friction between a car's tires and the road is such that the car can generate a maximum deceleration of 1.1g without experiencing slip.
An object is submerged in a water tank and tethered by a line to the bottom of the tank. If the object has a density of 45 kg/cubic meter and a volume of 2.5 cubic meters, what is the tension in the line
Determine a composite SCS runoff curve number for a 600-acre basin that is totally within soil group C. The land use is 40 percent contoured row crops in poor hydrologic condition and 60 percent native parture in fair hydrologic condition.
design a square individual footing to support a 16 inch square reinforced concrete column. service loads include a dead load of 180 kips and a live load of 140 kips. both column and footing have fc=3000psi and fy=60000 psi.
Suppose that the acceleration of the train during the interval time from t=2 to t=4 s is a 2t m/s^2, and at t = 2 s its velocity is v = 180 km/hr. What is the train's velocity at t = 4 s
Carnot engine working between a source temperature of T2 and sink temperature of T1 has efficiency of 25%. if the sink temperature is reduced by 20 degrees Celsius the efficiency is increased to 30%. find the source and sink temperature
Imagine two small towns of 1,000 people: Blacktop and Parktown. In the urban sprawl that is Blacktop, all the residents own fuel-efficient cars (15 km/liter) and travel an average of 20,000 km per year.
The efficiency of the engines of subsonic airplanes depends on air pressure and usually is maximum near about 36,000 ft. Find the air pressure y(x) at this height. The rate of change y(x) is proportional to the pressure
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