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Micro-Hydropower. You have a cabin in the Colorado wilderness far away from civilization and want to install a small hydro generator to provide electricity. A stream runs down a hill behind your cabin where you can construct a simple run-of-river hydro installation. You calculate that the effective head of the installation is 25 feet and that water would flow through the system at a rate of 50 cubic feet per minute. The simple inexpensive hydro turbo-generator (turbine mated with electric generator) that you intend to buy has a working efficiency of 60%. Answer the following (show your work):
a. How much power can you generate with this system?b. How many 100 watt light bulbs can you power with this hydro setup?c. What type of turbine would you expect to find in your turbo-generator? Why?
Consider a chip design using 10 mask levels. Suppose that each mask can be made with 98% yield. Determine the composite mask yield for the set of 10 masks.
How the cell potential has been affected in the NH3 or Na2S had been added to the 1M CuSO4 solution instead of the 0.001M CuSO4 solution of the cell? Explain.
What is the relation between the conductance and the capacitance of two parallel conductors immersed in a lossy dielectric medium that has permittivity and conductivity?
A network router connects multiple computers together and allows them to send messages to each other. If two or more computers send messages simultaniously, they collide and the messages must be resent. Design a collision free circuit for a router..
calculate the minimum sampling interval (time period for counting the pulse train) to achieve a speed resolution of 5 rpm, and the number of bits that must be there in the binary counter if the pulse train is to be sampled with this interval for a..
What is the energy in joules stored in the capacitor below, The capacitor is shown with 10 volts on each side of it (plus on the left of the capacitor, - on the right), and C = 20 microfarads.
What is the effect of a frequency difference between the carrier and local oscillator on output quality? Show mathematically.
Define Root Locus and Routh-Hurwitrz, Use Routh-Hurwitz to find vales of K so that L = k (s+1) / (s^2 +4) (s+10) has poles to the left of s= -2
Twenty voice signals are to be multiplexed and transmitted over twisted pair. What is the bandwidth required (in bps) if synchronous time division multiplexing is used
Gold cost about $100 an ounce in 1971. In 2007, the cost of an ounce of gold is hovering around $800. compute the average price increase for gold.
Supply the quantisation levels (including zero) that are available. Do this for both the three and 4-bit ADC in table form. What is the resolution of each quantizer?
What is the fundamental frequency of the spectrum of the square wave? What is the magnitude of the fundamental frequency component of the spectrum of the square wave?
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