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If an inflation rate of 2 percent, normally distributed with a standard deviation of .333 percent, is assumed, what is the expected NPV of the project in Problem 7, and what is the probability that it will qualify?
A 3-phase, 480 V motor with a starting current of 235 A is located 1800 ft (550 m) from the electrical power source. What size copper conductors should be used to ensure that the voltage drop will not exceed6% during starting.
An additional motor load of 100 kW is needed. Find the new kilovoltampere load and power factor of the plant load if the motor to be added is (a) an induction motor with a power factor of 90 percent lagging, and (b) an 80 percent leading power fac..
If the EM wave of 10 kW transmitted is hitting a truly reflecting building at 20o and 5m from normal, the coefficient of reflection is r=0.5, at which location the reflected ray is max and its power density at 5m in that direction
Given that the required transmission time for a block of data of length 64kilobits to be transmitted error-free is 6 seconds and that the receiver has a bandwidth of 20kHz, what is required SNR of the receiver
Explain the major differences between a motor and a generator. Explainin detail how the simple motor worksand be sure to include the functions of the reed relay and transistor.
Assume that an antenna has a power input of 50 W and a gain of 30 dB relative to an isotropic radiator. Determine the increase in dB of the received signal at a point where the signal strength is 5 dB below the level of maximum radiation
For Laboratory Application Assignment on pgs. 166-167 examine Fig. 5-38.Perform calculations for:I1 (current through R1)I2 (current through R2)I3 (current through R3)
the frequency of a signal is equal to the reciprocal of the signal's period (f=1/p). For a computer with a 2.4 ghz clock, what is the clock period
A residential four-wire system supplies power at 220V rms to the following single-phase appliances: On the first phase, there are ten 75-W bulbs. On the second phase, there is a 750-W vacuum cleaner with a power factor of 0.87.
Consider a superheterodyne FM receiver designed to receive the frequency band of 1 to 20 MHz with an IF frequency 8 MHz. what is the range of frequencies generated by the local oscillator for this receiver
A silicon step junction maintained at room temperature is doped such that EF = EV - 2kT on the p-side and EF = EC - EG/4 on the n-side. (a) Draw the equilibrium energy band diagram for this junction.
What can you say about a signal if its discrete time Fourier series (DTFS) is: (a) even? (b) odd?
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