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A two-phase induction motor is operating at rated-load torque with balanced stator currents. The steady-state rotor speed is ωr = 0.9ωe.It is an eight-pole, 50-Hz device. Determine
(a) the actual rotor speed,
(b) the angular velocity of the rotor mmf relative to the rotor, and
(c) the frequency of the rotor currents.
What is the shortcut equations used for evaluating the heat added to air by a steam coil. Use a sketch to present information on both the air side and steam side of this heat exchanger.
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