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Repeat Problem 1.3 for a velocity control servo.
Problem 1.3
Position control servos are discussed extensively in classical control texts. Draw a block diagram for a direct current motor position control system after consulting your classical control text. Modify the block diagram to obtain a digital position control servo.
Calculate the energy required to raise the temperature of 1.0 mol Ag by 1.0C (called the molar heat capacity of silver). c. It takes 1.25 kJ of energy to heat a sample of pure silver from 12.0C to 15.2C. Calculate the mass of the sample of silv..
U-235 undergoes many different fission reactions. For one such reaction, when U-235 is struck with a neutron, Ce-144 and Sr-90 are produced along with some neutrons and electrons.
What is the heat effect when 20 kg of LiCl(s) is added to 125 kg of an aqueous solution containing 10-wt-% LiCl in an isothermal process at 298.15 K (25"C)?
A 60-Hz, 440-V, three-phase system feeds two balanced wye-connected loads in parallel. One load has a per-phase impedance of 8 + j3 Ω and the other 4 - j1 Ω.
Which proteins are included in the models? What role does phosphorylation play in the models? How do the proteins regulate the cell cycle?
what is the Pareto efficient number of streetlights to provide? (HINT: you have to calculate social marginal value and put it equal to marginal cost).
the system rate constant at 20 oc is 0.1 /day and the temperature coefficient ,1.053 .determine the effluent BOD.
Determine the speed at which the machine runs as a motor.
Equal rates of mass transfer for the production of the fine chemical are required. This is often required for certain types of organic synthesis.
Explain the Integral and Differential method of analysis for finding the rate of reaction.(May-2005)2.For the elementary reaction in series Ak1Rk2S if k1= k2and at t = 0, CA= CAoandCRo= CSo= 0, find the maximum concentration of R.
Methanol can be manufactured by the gas phase reaction CO(g) + 2H2(g)?CH3OH(g)at 400K and 1.013 bar.The following data are available;?H298= -90.71 kJ/mol?G298= -24.33 kJ/mol.
a. Estimate the feed flow rates of glycine and guaiacol that would be needed to produce 100 kg/day of the API. b. Estimate how much product is lost in the thin-film evaporator.
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