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A “Cold Air-Standard Brayton cycle” gas-turbine power plant delivers a net power output of 60 MW to an electric generator. The compressor intake temperature is 300 K and the maximum temperature in the cycle is 1200 K. The minimum pressure in the cycle is fixed at 100 kPa. If compressor pressure ratio is set at 11 to 1, calculate the plant efficiency and the power output of the turbine. What are the heat addition rate in the combuster and the fraction of the turbine output is required to drive the compressor?
A particle travels along a straight line with a constant acceleration. When s=4ft, v=3ft/s and when s=10ft, v=8ft/s. Determine the velocity as a function of position.
A slurry containing 20 percent by weight of limestone (CaCO 3 ) is processes to separate pure dry limestone from water. If feed rate is 2000kg/h, how much CaCO 3 is produced per hour?
velocity of water in the nozzle is given by V=2t/(1-.5x/L)^2. L = 4ft. When x=.5L and t=3s what is the local acceleration along the centerline. What is the convective acceleration.
what are the factors affecting the hydraulic conductivity?
You measure an angle with a theodolite several times and record the following observations. What is your best estimate of the true value of the angle What is the standard error of the observations
1. a watershed contains 16.2 ha and 24.3 ha of agricultural and residential land use respectively. the last rainfall
Box 1 weighs 284.49N Box 2 weighs 421.83N. The angle between box 2 and the ramp is 37deg. Find the minimum angle for alpha that allows the boxes to remain stationary.
The slope of the channel is .15% and the mannings roughness coefficient is .038. estimate the depth 100m upstream of a section where the flow depth is 2.2m using the standard step method. Approximate how far upstream of this section would you exp..
The flow over the train is similar to flow over a flat plate. Estimate the boundary layer thickness at the end of the train, which is 125 m long. The temperature is 10°C.
a 25-ft long crane supported at its lower end by a pin is elevated by a horizontal cable as shown in the figure. a
A 2500-lb automobile is moving at a speed of 60 mi/h when the brakes are fully applied, causing all four wheels to skid. Determine the time required to stop the automobile (a) on dry payment (u=0.75), (b) on an icy road(u=0.10).
One method of removing phosphate from wastewater effluents is to precipitate it with aluminum sulfate. A plausible stoichiometry (but not exact because aluminum and phosphate can form many different chemical materials) is
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