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A wye-connected, three-phase, 50-Hz, six-pole synchronous alternator develops a voltage of 1000 V rms between the lines when the rotor dc field current is 3 A. If this alternator is to generate 60-Hz voltages, find the new synchronous speed, and calculate the new terminal voltage for the same field current.
Due to upstream process modifications, the reactor feed has now changed from pure propane into a mixture that contains 50% nitrogen (by mol). If the reactor pressure remains at 5 bar, how should you adjust the temperature to achieve 95% conversion..
Methyl ethyl ketone (MEK) is manufactured by the dehydrogenation of 2-butanol using a shell and tube type reactor. Flue gases are used for heating and pass though the tubes. The flue gases will contain traces of sulfur dioxide.
Implement a traffic light controller FSM with a state encoding where GNS=00, YNS = 01, GEW = 10, and YEW = 11. Show Karnaugh maps for the next state variables and output variables and a gate level schematic for the FSM.
Devise a control system for this reactor, and draw up a preliminary piping and instrument diagram. The following points need to be considered:
What results can be expected in the near-term? The mid-term? The long-term? Nanotech's development can usefully be divided into stages, for example:
n-Octane is compressed reversibly at constant temperature along the critical isotherm until the critical point is reached. The initial pressure is 1 bar. The pressure takes place in a closed system. Use the Lee-Kesler method to calculate what is t..
The reflux is saturated liquid with L/D = 3. Feed is on the optimal stage. Vapor-liquid equilibrium data are given in Exercise 7.29.
Based on your knowledge of instruments specify two methods to prevent the drying running of a centrifugal pump, if the pump is being used to empty a vessel in an automated process plant.
Defluorination & adhesion properties, Using ion bombardment-If Teflon is deflorinated to increase it's adhesion properties, then what would the changes in surface characteristics be?
Find the three highest speeds at which this linkage would be possible.
What type of cells would you expect to find depositing bone adjacent to an orthopedic implant? What type of cells would you expect to find clearing the site of biomaterial debris?
From the magnetic moment of 1.7 μB per Co in metallic Co, predict what Ms will be. Note that a unit cell of Co contains 6 atoms, and has a volume of 6.68×10-2nm3.Ms (in kA/m):
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