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1. Discuss the evolution of the heat exchanger.
2. Discuss the operation of an atmospheric burner.
3. Explain why furnace efficiencies jump from 80 percent to 90 percent.
Assume that the voltage applied to a load is V = 208
Using 3kohm resistors and ideal op amps, design a low-passunity-gain butterworth filter that has a cutoff frequency of 20 khz and is down at least 25 dB at 100 khz.
For a z-biased ferrite medium, show that the relation between B and H can be expressed in terms of a diagonal tensor permeability as follows
in a RLC series circuit R=500Ω L=0.4mH and C=100pF the circuit is connected to the terminals of an ac source with an rms voltage of 1V, and a variable frequency calculate the following A) resonant frequency
a motor consists of a coil with 200 turnsspinning a circular area with radius of 1.5cm.the loop carries anaverage current of 2.0 amps and rotates at 2000 rev/min in amagnetic field of 300 mv/c. how much mechanical power does the motor provide
Consider an industrial load that absorbs 40 kW of power with power factor 0.8 lagging from a 60-Hz transmission line of voltage VL= 240
Determine the tuning range of the local oscillator for IF frequencies varying between 400 kHz and 2 MHz. Plot the ratio defined by the tuning range over this range of IF frequencies as in Table 3.1.
Write a Gumnut subroutine that performs the function of the circuit described in Exercise 8.8. The subroutine takes an 8-bit unsigned binary amplitude value in r2 and outputs a corresponding value to an 8-bit register at port address 28, connected..
A 660 MW, 25 kV, 50 Hz, 2-pole, synchronous generator havinga synchronous reactance of j1.2Ω per phase, delivers rated output at0.85 power factor lagging. (Assume the windingresistance to be negligible).
Write a paper summarizing the application. Include recent developments related to this application and describe one or two other uses of this application, following the paper guidelines.
Consider the NMOS circuit in Figure. - Determine vO when vX = vY = 2.9 V. - What are the values of vGSX , vGSY , vDSX , and vDSY?
Consider a 3 phase 25 kVA, 440 V, 60 Hz ac generator operating at full load (that is, delivering its rated kVA) under balanced steady state conditions. The ac generator has 3 stator windings that output balanced 3 phase voltages. It is usual to..
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