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1. In a BWR or PWR, steam is generated with a temperature of about 290 °C. If river water used to receive waste heat has a temperature of 20 °C, what is the maximum possible (ideal) conversion efficiency of the reactor's thermal energy into electrical energy? Nuclear power plants typically have conversion efficiencies of 34%. Why is this efficiency less than the ideal efficiency?
2. What are the advantages and disadvantages of using (a) light water, (b) heavy water, and (c) graphite as a moderator in a power reactor?
A negative feedback amplifier has a close-loop gain Af=100 and an open-loop gain A=105. What is the feedback factor If a manufacturing error results in a reduction of A to 103, what close-loop gain results
Assume a computer has a 16Kx18 memory, and each instruction can only occupy one memory location. How many bits should its PC have. How many different instructions could this computer have at most
Consider a circuit consisting of a sinusoidal source V s (t) = cos (t) u (t) volts connected in series to a resistor R and an inductor L and assume they have been connected for a very long time. Let r = 0Ohm and L = 1 H.
Compute the complex power S (in polar form) drawn by a certain load if it is known that (a) it draws 100 Waverage power at a lagging PF of 0.75; (b) it draws a current I = 9 + j5 A rms when connected to the voltage 120/32 V rms
Consider a finite state machine that generates z = 1 when the previous four values of input variable 'w' are either '1001' or '1101'. Solve this problem by Mealy and by Moore. Show the state diagrams and the state tables.
When carrying out an FFT of a cosine wave whose frequency is 0.1Hz and whose amplitude is unity , explain why the peak amplitude measurement obtained in the range 0.09Hz to 0.11Hz should be 0.5
What are the applications,classifications,design,energy conversion principles involved,maintenance and fault of compressors
Someone needs to explain to me how in God's name can you get a value of 600 watts from 2 sources, one of value 400 watts and another of -600 watts
Two loudspeakers, one of them generates sound 400W power the other with 100W. The sound is generated isotropically from each loudspeaker. A listener is seated 20 m from the 100 W loudspeaker and 40 m from the other loudspeaker.
When all the heavy machinery is operational, the total electric current flowing into the factory is 5.7 amperes. The phase angle between the voltage and current waveforms is measured to be 4.0 radians. Find the real power dissipated by the factory..
Holliman Veterinary Hospital has considered advertising on the radio and in newspapers in their community, but now has contacted you about the possibility of developing a better Web presence. HVH is located in an area of about a half million people; ..
Design a counter to count even numbers between 0 and 15. Therefore states will be 0 -> 2 -> 4 -> 6 -> 8 -> 10 -> 12 -> 14 -> 0. If any unused state is encountered bewteen 0 and 7, then the counter should go back to initial state 0.
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