A delta-connected three-phase load is connected to a 560 V line. The loads have an impedance of 14 
per phase. What is the apparent power of this connection?
A. 22.39 kVA
B. 116.39 kVA
C. 38.8 kVA
D. 67.2 kVA
Answer: C
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Using sketches and notes, explain why wood is stronger along the grain than across the grain.
What will be an ideal response?
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A three-phase, 480 V, six-pole, 60 Hz, induction motor is driving a constant torque load of 80 Nm. The parameters of the motor are:
a. Calculate the magnitude of the injected voltage that would reduce the motor
speed to 800 rpm.
b. Calculate the power received by the injected voltage source.
c. Compute the starting current and the starting torque with the injected voltage.
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One purpose of LEED is to stimulate green competition.