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A 100hp, 60Hz, three-phase induction motor has a slip of 0.03 at full load. Compute the efficiency of the motor at full load when the friction and windage losses are 900W, the stator core loss is 4200W, and the stator copper loss is 2700W.
How does your measured -3dB frequency (fc) compare to your design critical frequency? Give some reasons why it is different.
a series rlc circuit has a 4ohm resistor an inductor with an xl of 19.5 ohms and a capacitor with an xc of 12 ohms.
A stream of warm air with a dry-bulb temperature of 40°C and a wet-bulb temperature of 32°C is mixed adiabatically with a stream of saturated cool air at 18°C. The dry air mass flow rates of the warm and cool airstreams are 8 and 6 kg/s, respectiv..
Assume that the switch shown in the figure is closed, and calculate the current I, the power factor, and the real, reactive, and apparent power being supplied by the source.
A new semiconductor has Nc = 1019 /cm3 and Nv=5 x 1018, and Eg = 2eV. If it is doped with 1017 donors (fully ionized), calculate the electron, hole, and intrinsic carrier concentrations at 627K.
An odd parity circuit with 2^n inputs can be built with 2^n-1 XOR gates. Describe two different structures for this circuit, one of which gives minimum worst-case input to output propagation delay and the other of which gives a maximum.
The column line parasitics are 1 Ohm/bit and 12 fF/bit. Determine the minimum number of repeaters which must be inserted into the row lines such that the overall access line will be reduced to less than 0.2ns.Consider a DRAM with 2^X bits. Rw = 65 ..
A 1 kHz sine wave signal with a power level -10 dBm is applied to the input of the amplifier. What is the power at the amplifier output in dBW?
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=
How could risk management have aided in the development of the common What are the elements of direct labor costs and how should they be computed Explain the difference between recurring and nonrecurring costs as well as fixed versus variable costs
Alice passes through four traffic lights on her way to work, and each light is equally likely to be green or red, independent of the others. Let X be the number of red lights that Alice encounters. Let A be the event that the first light is red.
a low pass filter has a cut-off frequency of 8 khz and a high pass filter has a cut-off frequency of 5 khz. these two
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