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An induction motor has the following specifications: a 8-polesquirrel cage rotor, operates at 25 hp off of a 220 V line-to-line3-phase service, 60 Hz, 64 amps of line current, and under fullload runs at 830 RPM. The motor draws 20.8 kW at full load.
(i) Calculate the slip.(ii) Determine the percent speed regulation if the no-load speed is895 RPM.(iii) Determine the power factor of the induction motor.(iv) Determine the motor torque in ft-pounds.(v) Determine the percent power efficiency of this induction motor.
A "Clock" pulse for a flip-flop could be generated by manually filpping a switch from 0 to 1 and then back to 0. but switches such as those on the logic designer "bounce" when switched from on state to another.
Derive an iterative formula for finding the roots of cos(x) = x with Newton's method. Starting with an initial guess of x = 5 radians, determine the estimate of the root after five iterations. How many iterations are needed to get f
An asynchronous cardiac pacemaker operates at a rate of 70 pulses/min. These pulses are of 2ms duration and have an amplitude of 5V when driving a 500ohm load. A) What is the total energy supplied to this load over a 10 year period
A digital communication system employs differentially encoded BPSK modulation scheme with non-coherent (differential) reception. If the Eb/N0 is 8 dB, what is the probability of bit error for the system
Determine power series values for common scientific and engineering functions and Obtain the Maclaurin series for the following functions. State the values of the x which the series converge.
An aluminum casting that has a mass of 10 kg sits on a steel surface. How much force will be necessary to get it to start sliding. The static coefficient of friction (mu) for aluminum on steel is 0.61.
Interface binary Input Output devices to the microcontroller
Specify the range required for the control voltage VGS and the required transistor width W. It is required to use the smallest possible device, as limited by the minimum channel length of this technology (Lmin = 0.18 μm) and the maximum allowed v..
Design a decade counter (negative edge-triggered counter) using flip flop circuit that can be used to perform binary counting. Show the timing diagram for the input and four outputs of the decade counter.
The unit impulse response of an LTIC systems is h(t) = (1- 2t)e^-2t * u(t) Find this system's (zero-state) response y(t) if the input x(t) is: 1) u(t) 2) e^-t u(t) 3) e^-2t u(t) 4) sin(3t) u(t)
Consider the logic function f(a,b,c) = abc + ab'c + a'bc + a'b'c + a'bc'. (a) Draw the logic circuit for the function f given above. (b) Let the cost of a logic circuit be the total number of gates plus the total number of inputs to all gates
an automobile travels 1200ft in 30s while being accelerated at a constant rate of 1.8 ft/s^2. Determine (a) its initial velocity, (b) its final velocity, (c) the distance traveled during the first 10s
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