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An engineer is making an estimate for a home owner. This owner has a small stream (Q = 1.4 cfs, T = 40°F) that is located at an elevation H = 34 ft above the owner's residence. The owner is proposing to dam the stream, diverting the flow through a pipe (penstock). This flow will spin a hydraulic turbine, which in turn will drive a generator to produce electrical power. Estimate the maximum power in kilowatts that can be generated if there is no head loss and both the turbine and generator are 100% efficient. Also, estimate the power if the head loss is 5.5 ft, the turbine is 70% efficient, and the generator is 90% efficient.
production and analysis of diffrent polarised light
The engine on a motorcycle hums at 85 Hz. If the motorcycle travels toward a resting observer at a velocity of 29.6 m/s, what frequency does the observer hear? Use 343 m/s
Is the common end is important? Even though manufacturers place extra attention on fibers and illuminators the common end is a very important piece for the correct operation of
Disadvantages of Low Power factor Greater conductor size : To transfer or distribute a fixed amount of power at constant voltage, the conductor will have to carry more current
How are fiber optic made? The actual process varies significantly from one manufacturer to other. In essence, a huge cylinder of core is made off high purity material, an eleme
Faraday's law (M. Faraday): The line integral of the electric field about a closed curve is proportional to the instant time rate of change of the magnetic flux by a surface l
Graphs of current against voltage for two resistors P and Q are shown in Figure. Determine the value of every resistor.
how CPH is able produce all bosons? Answer; the fermions produce their bosons. Look at the pair production that before of pair there is not boson, however after pair bosons app
How are vibrational modes of carbon dioxide molecule represented? Generally the modes are represented through three integers (mnq): a. (moo) represents Symmetric stretching
Explain Kelvin-Planck statement and Clausius statement Kelvin-Planck statement: "No process is possible whose sole result is the absorption of heat from a reservoir and the t
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