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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.
a) Calculate alpha, omega-sub-delta, and omega-sub-zero. b) write the equation which describes the current i for t>0. c) determine the maximum value of i, and the time at which it occurs, if the inductor initially stores no energy and v(0-)=9V.
Once the sequence starts it will complete.If E=1 during the last output in the sequence the sequence repeats. Otherwise if E=0 the output remains constant at 1. The first thing they want in this problem is a Moore state diagram for the circuit.
a. How many poles are on the rotor winding of the induction motor? b. If the stator field in the induction machine rotates in a clockwise direction, what is the rotation direction of its rotor?
What is the maximum output impedance that the student can achieve? Assume the transistors are identical.
Is there any advantage of star connection over delta w.r.t. induction motors? Also, is there any advantage or disadvantage of star connection over delta w.r.t. distribution and transmission of power? Please explain the reasons for all the advantag..
two charges of equal magnitude 5x10-9 but opposite charge are separated by a distance of 10 meters. Determine the net force on a positive charge q =2x10-9, that is midway between the two charges.
Suppose a resistor whose value is equal to the motor resistance is connected across the motor terminals and the motor is spun at 200 RPMs. What will be the voltage measured across the motor terminals
Develop a comparator circuit that takes two 2-bit operands (A and B, or A1 A0 and B1 B0) and gives a single bit output if A>B. Show the truth table for the circuit, K-map, and the circuit implementation. How would you extend your solution to build..
a woman at point a on the shore of a circular lake with radius 2 mi wants to arrive at the point c diametrically
Sketch the local resistance of the channel (per unit length) as a function of x.
Consider the parallel resonant circuit shown in Figure. Determine the L and C values, given R = 1 k Ω, f0 = 10MHz, and B = 500 kHz. If I = 10-3 ∠0°, draw a phasor diagram showing the currents through each of the elements in the circuit at resonanc..
A 4 pole lap wound dc generator has 4 brushes, if one of the brush is damaged, - what will be the change in V, I and P ratings?
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