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A 100-kW, 230-V shunt generator has Ra = 0.05 Ω and Rf = 57.5 Ω. If the generator operates at rated voltage, calculate the induced voltage at
(a) full load, and
(b) one-half full load. Neglect brush-contact drop.
Question - 22 25 tons of caustic solution having 10 % concentration was fed to an evaporator . the concentrated liquor leaving the evaporator contains 50% NaOH , 2 % Nacl and 48 % H2O .
Calculate the magnitude of the electric field at the ball's location due to the charged wall, and state its direction relative to the coordinate axes shown.
Reconsider the Methanol Water Distillation. If the feed stream contains 60 mol % methanol, reevaluate reflux ratio, number of stages required, and the column diameter.
A sealed rigid tank of 1 m3 capacity contains 1.2 kg of water at 1 bar and 99.63 °C. To this tank we add heat until the pressure increases to 3 bar. What is the temperature at the end of the heating?
In a process to produce 1000 kgmol/h acetaldehyde, ethane is fed to the reactor at 1500 kgmol/h and the fractional conversion is 0.8. The product stream contains 2 mol% CO2. Calculate the molar composition of the product stream and the fractional sel..
describe the principles of a vapour adsorption refrigeration system and compare this to a vapour recompression system.
A 95 turn square wire coil of area 0.040 m2 rotates about a vertical axis at 1730 rpm, as indicated in Figure P20.30. The horizontal component of the Earth's magnetic field at the location of the loop is 2.0 10-5 T.
Design a decanter for this duty, for a feed rate of 3500 kg/h. Concentrate on the separation of the water and aniline. The densities of water-aniline solutions are given in Appendix F, Problem F.8, available in the online material at booksite.Else..
Determine the Thévenin and Norton equivalent circuits as viewed by the load resistance R in the network of Figure P2.1.1.
A piece of hemlock wood measuring 15.15 x 14.8 x 0.75 cm is to be dried from the two large faces from an initial total moisture content of 90% to a final average total moisture content of lo%, with drying taking place in the falling-rate period wi..
Develop a block diagram for such a shift register and briefly explain its operation.
A 10-minute experimental run shows that 75% of liquid reactant is converted to product by a %-order rate. What would be the fraction converted in a half-hour run?
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