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Two shunt generators operate in parallel to supply a total load current of 3000 A. Each machine has an armature resistance of 0.05 Ω and a field resistance of 100 Ω. If the generated emfs are 200 and 210 V, respectively, determine the load voltage and the armature current of each machine.
What is the temperature of the exit stream? Should you take this idea to your superiors for further discussions?
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 .
For the following reactions:a. Specify which of the following equations represent oxidation-reduction reactions. b. Write the balanced half-reactions for the reactions you identified as redox in part a. c. Identify the species being oxidized and th..
In order to make it into a common base amplifier, terminals a and b are connected together, and capacitor CE is disconnected from ground and used to couple a signal from a source to the emitter. Determine Ri, Rin, Av1, and Ai.
A chord subtends an angle of 68° at the centre of a circle of radius 200mm. Find the length of the chord.
Two watt meters are used, as shown in Figure 4.3.1, to measure the power absorbed by a balanced delta-connected load. Determine the total power in kW, the power factor, and the per-phase impedance of the load if the supply-system voltage is 120
Identify the ionic compounds in solution A and solution B. Identify the blood-red precipitate. Calculate the concentration (molarity) of all ions in the original solutions.
Coal gasification is carried out at 850 °C and 40 atmospheres pressure, by reaction of coal with steam and oxygen. The empirical formula of the coal is roughly CH0.8S0.013. What materials of construction would you recommend for:
The rate constant of a chemical reaction decreases by decreasing the 1. pressure 2. concentration of reactants
Calculate the instantaneous and rms values of the voltage induced in a 150-turn coil on the armature, if the axial length of the armature and its inner diameter are both 100 mm.
A solution that contains nitromethane in acetonitrile is heated at constant pressure of 1 bar until the first bubble appears. If the temperature at this point is 85 °C, what is the composition of the original solution?
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..
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