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A hydroelectric dam has a penstock that discharges 10^5 kg/s of water. The head of the dam is 80m. a. compute the volume of the discharged water per second (flow rate). b. compute the power of the water entering the turbine. c. Assume that the hydro efficiency is 0.95, the turbine efficiency is 0.9 and the generator efficiency is 92%, estimate the generated electrical power.
Three-phase inverter has Y-connected load of 10 ohm and 23mH inductance. The inverter frequency is 60Hz and the dc input voltage is 200v. Calculate line voltage rms? , Phase voltage, rms?
Inflation in years 1-5 equals 3.1 percent, 2.2 percent, 1.6 percent, 1.3 percent, and 1.1 percent, respectively.
Calculate the PMOS device with to acheive symmetric propagation delays in an inverter (tPLH = tPHL). Use Wn=450nm Ln =300nm and Lp=300nm and solve for Wp. So I think by some ratio I can find what Wp should be, maybe something like Wn/Ln=Wn/Lp
Calculate the probability that the system will fail in 3,000 hours. Supposing no failure of any component occurs in 5,000 hours of operation. What would be your revised estimate of failure rates of the components in your system?
1.Calculate motor speed in revolutions per minute for an eight-pole,50Hz motor. Give the equation and identify its parts; show your math. 2.You need to detect finished products coming down an assembly line.
Two rectangular waveguides, one air filled with internal dimensions 2cm x 1cm and the other dielectric filled with internal dimensions 1cm x 0.5cm, have the same cut-off frequency for the dominant mode. what is The relative permittivity of the die..
algorithms to show the differences in the intra prediction in the h.264 and hevc coding standards. it should indicate how the intraprediction in the two coding standards makes a difference in their efficiency.
Plotting Continuous time signal, Consider the following continuous signal: x(t) = 10e^-3t u(t) Using Matlab, plot the continuous-time signal over the range -1=
a) Draw the state diagram b) Draw the schematic for the logic to implement this circuit using Inverters, AND gates, OR gates and D flip flops. Use the reverse side and additional sheets if needed.
Determine log10 0.2 = log10 18/90, and compare to log10 18 - log10 90.
Consider an InGaAs APD with excess noise x=0.7, M=10 where M is the multiplication factor. The unmultiplied dark current is 10 nA and bandwidth is 700 MHz. What is the avalanche photodiode noise current per square root of bandwidth
BJT Circuit Configurations Compare the input and output impedance for each configuration. Compare the voltage gain and current gain for each configuration.
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