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A three-phase, 60-Hz transmission line has a total series impedance of 22.86 62.3° Ω per phase. It delivers 2.5 MW at 13.8 kV to a load connected to its receiving end. Compute the sending-end voltage, current, real power, and reactive power for the following conditions:
(a) 0.8 power factor lagging.
(b) Unity power factor.
(c) 0.9 power factor leading.
Calculate the work done in the isothermal reversible expansion of one mole of CH4 (g) from 1.00 dm3 to 10.00 dm3 at 300 K. Treat methane as a van der Waals gas. The van der Waals gas constants for methane are: a=2.3026 dm6⋅bar⋅mol−2 and b=0.043067 dm..
The fractional distillation column will operate at approximately constant pressure of 1 atm. The reflux ratio is 2. How many theoretical plates must the column have if the feed is introduced into the eighth plate?
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.
Calculate the internal energy change for each of the following. a. One hundred (100.) joules of work are required to compress a gas. At the same time, the gas releases 23 J of heat
Propane is separated from propylene by distillation. The compounds have close boiling points and the relative volatility will be low.
What is the principle of lime Soda process? Give their functions with chemical reactions. 2. Write notes on reverse osmosis and ultra filtration.
Article attached provides a total 10 excel plots (figures 3 - 12) which I must obtain. Please obtain them in one excel document with each plot on a separate sheet (along with the data and mathematical formulations used to provide the plots)
All tanks must be used, and all materials must be stored without using more than one tank for any one material. Indicate the material that should be stored in each tank.
estimate the necessary wall thickness. No corrosion allowance is necessary.
Cite the indices of the direction that results from the intersection of each of the following pair of planes within a cubic crystal:
The reaction between oxygen and organic material is a/an __________ reaction. 1. exothermic 2. endothermic 3. biochemical 4. photochemical
Draw T-S diagram of the cycle.
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