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A three-phase, four-pole, 220-V, 60-Hz induction machine with a per-phase resistance of 0.5 Ω is operating at rated voltage as a generator at a slip of -0.04, delivering 12 A of line current and a total output of 4000 W. The constant losses from a no-load run as a motor are given to be 220 W, of which 70 W represents friction and wind age losses. Calculate the efficiency of the induction generator.
The scale factors used are 1 cm = 0.03 T and 1 cm = 200 At/m. Find the hysteresis loss in watts.
Find the total core loss if the frequency is increased to 400 Hz.
Determine the required mole fractions of the nitrogen and carbon dioxide to produce this mixture. From Chapter 17, the speed of sound is given by.
If the temperature of the contents is increased by 10 C degrees, the reading on the Kelvin thermometer should increase by 273 K
Calculate the new rotor current frequency.
A 100.0-L aliquot (portion) of this solution is diluted to a final volume of 100.0 mL. Calculate the concentration of the final solution in terms of molarity.
Consider an inventor who claims to have invented a device which, upon activation, becomes colder when a liquid solution crystallizes spontaneously at constant pressure. Considering the laws of thermodynamics, should a government patent office deny hi..
The motor starting torque.
Calculate the stoichiometric reactant ratio (mol H2 react/mol C2H2 react) and the yield ratio (k mol C2H6 formed/k mol H2 react).
Literature review around 1000 words All information from journal/ book only Harvard references No Plagiarism Literature review on the following: Introduction:
Water will flow inside the tubing, and a hydrocarbon vapor will condense on the outside of the tubing.
Develop and execute a PS pice program to analyze the circuit shown in Figure P2.5.1 to evaluate the node voltages and the current through each element.
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