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A 50-kW, 230-V compound generator has the following data: armature-circuit resistance 0.05 Ω, series-field circuit resistance 0.05 Ω, and shunt- field circuit resistance 125Ω. Assuming the total brush-contact drop to be 2 V, find the induced armature voltage at rated load and rated terminal voltage for:
(a) short shunt, and
(b) long-shunt compound connection.
A 1 m^3 isolated chamber with rigid walls is divided into two compartments of equal volume. The partition permits transfer of heat. One side contains a nonideal gas at 5 MPa and 300 K and the other side contains a perfect vacuum.
Find the components of the convective momentum flux pvv inside and outside the slot - Evaluate the xx-component of pvv.
The typical vent-gas analysis from the recycle stream in an oxyhydrochlorination process for the production of dichloromethane (DCE) (British patent BP 1,524,449) is given below, percentages on volume basis.
Determine the speed at which the machine runs as a motor.
n-Octane is compressed reversibly at constant temperature along the critical isotherm until the critical point is reached. The initial pressure is 1 bar. The pressure takes place in a closed system. Use the Lee-Kesler method to calculate what is t..
Determine the maximum layer of the hydrogel membrane that would result in an oxygen concentration of at least 1.104 mol/mL everywhere in the capsule.
The time-average value of the induced voltage. (e) The induced voltage when the plane of the coil is 30° from the vertical.
A three-phase, wye-connected, cylindrical-rotor, synchronous motor, with negligible armature resistance and a synchronous reactance of 1.27 Ω per phase, is connected in parallel with a three phase, wye-connected load taking 50 A at 0.707 lagging p..
Problem Statement: Derive the equation for S* for competitive product inhibiton. Definition of variables:
Derive the following equation for the optimum outside diameter of insulation on a wire for maximum heat loss:
For an ideal gas (this is an assumption that can be made under certain conditions including low pressure and high volume in which it is assumed that the molecules in a system either do not touch OR their collisions are completely elastic), the pressu..
Calculate the specific heat capacity and the molar heat capacity of mercury.
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