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Ac measurements with constant voltage amplitude reveal that the total core loss of a certain magnetic circuit is 10 W at f = 50 Hz, and 13 W at f = 60 Hz. Find the total core loss if the frequency is increased to 400 Hz.
A liquid mixture consisting of 100 kmol of 60 mol% benzene, 25 mol% toluene, and 15 mol% o-xylene is flashed at 1 atm and 100°C. (a) Compute the amounts of liquid and vapor products and their composition.
Calculate the heat (kJ) required to raise the gas temperature from 25°C to 1000°C if the heating takes place at constant volume (i.e., if the piston does not move), retaining successively one term, two terms, and all three terms of the heat capaci..
An annuity due is being used to accumulate money. Interest is compounded at an effective annual rate of 8 percent, and $1000 is deposited at the beginning of each year. What will the total amount of the annuity due be after 5 years?
Calculate the percentage of solvent in the dried fabric by weight. What is the concentration of solvent in the dryer exhaust (in g/m3) if the exhaust is at 80 degrees C and 1 atm? The solvent has a molecular weight of 86.
What are Denbigh reactions? Explain its specialcases.?Denbigh (1958) was the first to treatthe following rather general reaction schemeA1R3S-rA= k12CArR= k1CA - k34CRrS= k3CR24rT= k2CArU= k4CATUk12= k1+ k2k34= k3+ k4With CAo+ CRo+ CSo+ CTo+ CUo= C..
show that the rotor current, torque, and electromagnetic power of a poly phase induction motor vary almost directly as the slip, for small values of slip.
Reconsider the Methanol Water Distillation. If the feed stream contains 60 mol % methanol, reevaluate reflux ratio, number of stages required, and the column diameter.
The band gap of indium gallium arsenide varies based on the concentration of gallium in the material. A sample of indium gallium arsenide absorbs light with a wavelength less than 1.37 microns. What is the band gap of the indium gallium arsenide samp..
The time-average value of the induced voltage. (e) The induced voltage when the plane of the coil is 30° from the vertical.
Consider the same silicon-aluminum metal-semiconductor junction. The cross-sectional area of the junction 1s 10 µm2. Assume that Be is 30 A K -2 cm-2 and the ideahty factor n is 1. Calculate the reverse saturation current and plot..
Choose an initial guess for reactor temperature and pressure within the range provided and simulate the process described - Determine a metric to quantify the reactor performance then use this parameter to optimize the reactor temperature and pressu..
Calculate the theoretical stages needed to separate a 10 mole% ethanol liquid saturated feed into a 80 mole% distillate and a 0.1 mole% bottoms at 1 atmosphere pressure.
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