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Ocean water contains 0.9 ounces of gold per ton. Method A costs $550 per ton of water processed and will recover 90% of the metal. Method B costs $400 per ton of water processed and will recover 60% of the metal. The two methods require the same capital investment and are capable of producing the same amount of gold each day. If the extracted gold can be sold for $1,750 per ounce, which method should be recommended? The supply of ocean water is essentially unlimited. Hint: Work this problem on the basis of profit per ounce of gold extracted
Explanation of the circuit: Two opamps on the top are the buffer amplifiers before and after sampler. Sampler is a JFET used as analog switch; its gate is driven by the narrow pulse train as specified above. There are two identical active lowpass ..
In one test, the experimenter obtained a specimen of connective tissue (collagen) from the steak and determined the temperature at which the tissue would shrink; a tender piece of meat tends to yield a low collagen shrinkage temperature.The data a..
Because A - B = A + (-B), the subtraction of signed numbers can be accomplished by adding the complement. Subtract each of the following pairs of 5-bit binary numbers by adding the complement of the subtrahend to the minuend. Indicate when an over..
Given a simple series circuit similar to that shown in the given image, determine the load voltage if the source voltage is VS= 1200°V, the load current is IL= 10-30°A, and the cable impedance is ZC= 0.5
Explain the difference between a balanced polyphase system and unbalanced polyphase system. What conditions typically cause a polyphase system to become unbalanced
Write a program to find the sum of the elements of an array called list1. The size of list1 is four bytes. The values of list1 are $FF, $1, $FE, and $02. To check your work, the sum should become $0200. The requirements for writing this program ar..
A certain transistor is to be operated at a collector current of 50mA. How high can VCE go without exceeding a PD(MAX) of 1.2W?
Design and implement a sequence detector using a finite state machine that detects the sequence 1, 1, 0, 1, 0. Consider previous/oldest bits for the sequence detection.
It operates at a power factor of 0.85 (lagging) at its rated conditions. Calculate the per-phase current that has to be carried by the cables to the power electronics converter and the step-up transformer located at the base of the tower.
What is the input to our control system called - What would we expect its final value to be (the value as time approaches infinity) - Determine the equation that linearizes the sensors output between temperatures of 0oC and 100oC.
The objectives of this project are to carry out the load flow study for a power system with at least 10 buses. The detailed steps are as follow:
Develop an effective electrical maintenance program for a hotel complex comprised of a main hotel with 764 rooms, 12 two bedroom cottages, spa, swimming pool, three restaurants and sports bar lounge.
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