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A 75 hp, 60 Hz, 2300 V, 20 A, 2 pole, wye connected, design B induction motor with code K delivers rated horsepower at 3500 r/min. Assume the phase angle of the locked-rotor impedance is 75 degrees. Deterimne the reactance of a series-reactor starter that will limit the starting current to 350% of the rated current.
Design a synchronous sequential circuit with one input line and one output line that recognizes the input string x = 1111. The circuit is also required to recognize overlapping sequence such that if the input string is x = 1101111111010
a piston cylinder device initially contains steam at 3.5 MPa, superheated by 5 C. steam loses heat to the surrounding and the piston moves down hitting a set of stops at which point the cylinder contains saturated liquid water.
Select an appropriate QAM signal constellation, carrier frequency, and the roll-off factor of a pulse with a raised cosine spectrum that utilizes the entire frequency band. Sketch the system block diagram and the spectrum of the transmitted signal..
A 15hp (output power), 208V, three phase, six pole, y-connected induction motor has the following parameters: R1 = 0.1 ohm R'2= 0.1 ohm Xeq = 0.5 ohm A.) A fan type load is connected to the motor. The slip of the motor in this case is 2%.
Let x1[n] = {-2,1,-3,-5,6,8} with arrow under -2 and x2[n]={1,2,3,4} with arrow under 1. a) determine circular convolution of 7 between x1[n] and x2[n] b) verify (a) calculations by computing the DFTs and IDFT.
Discuss how the electricity can affect health and safety. the discusiion also must include the explanation on how to prevent the hazard of the electricity. then give three examples of the latest hazard cases that had been published since year 2000..
A pacemaker is programmed to deliver pulses a certain times every minute for a patient with heart block. A 0.5µF capacitor controls the pulse discharges through a 2M resistor. One pulse is delivered every time the fully charged capacitor loses 50%
Determine the distribution of the number of customers waiting in the queue.
A series RLC circuit connected to a 100-V 60-Hz source draws a current of 2.5 A. The measured power factor for the circuit is 0.7 leading, and the inductive reactive power is 300VAr. Calculate the resistance, inductance and capacitance.
Sketch a transistor-level schematic of F=(A+BC+DE)' and determine the relative sizing of all the transistors to equalize the rise/fall time.
A person shuffling across a dry carpet can be approximately modeled as a charged100-pF capacitance with one end grounded. If the person touches a grounded metallic object such as a water faucet.
Design a 4-bit register with 2 control inputs s1 and s0; 4 data inputs I3, I2, I1, and I0; and 4 data outputs Q3, Q2, Q1, and Q0. When s1s0=00, the register maintains its value. When s1s0=01, the register loads I3....I0.
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