A wye-connected alternator that has phase voltages of 277 V is feeding two loads. The first load is wye-connected inductors that have 40 ? of XL. The second load is delta-connected capacitors that have XC of 60 ?. How much is the alternator phase current?
A. 6.93 A
B. 14.93 A
C. 24.62 A
D. 28 A
Answer: A
You might also like to view...
Machining techniques for composite materials, such as high-pressure laminates, involve backing up the work with a solid material to reduce____. ?
A. ?laser cutting B. ?prevention of fraying C. ?control of fine dust D. ?prevention of burning
Technician A says before assembling a transaxle, the seals and bearings should be lubricated with clean bearing grease. Technician B says when reassembling a transaxle, seals can be reused if they are not damaged. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
The number of movable blades on a power shear is
a. one c. three b. two d. four
Which of the following systems would be most likely to produce a power waveform that would require a true RMS meter to accurately measure?
A) A shaded-pole motor controlled by a relay B) A three-phase motor controlled by a variable-frequency drive C) An incandescent light controlled by a toggle switch D) An electric strip heater controlled by a contactor