Power Quality and Management (2180911) MCQs
MCQs of Introduction to Power Quality
| 1. |
_________________ is a set of electrical boundaries that allows a piece of equipment to function in its intended manner without significant loss of performance or life expectancy.
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Answer:
Option (c) |
| 2. |
All electrical devices are prone to failure or malfunction when exposed to one or more power quality problems
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Answer:
Option (a) |
| 3. |
Is it possible that "good" power for one piece of equipment could be “bad” power for another one.
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Answer:
Option (a) |
| 4. |
Two identical devices or pieces of equipment might react differently to the same power quality parameters due to
(i) differences in their manufacturing
(ii) component tolerance
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Answer:
Option (c) |
| 5. |
____________ ensures that any fault current likely imposed on a metal part will be safely conducted to ground or other grid systems serving as ground
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Answer:
Option (d) |
| 6. |
_______________ is one means by which energy or electrical noise can couple from one electrical circuit to another.
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Answer:
Option (c) |
| 7. |
_________ is the process by which energy or electrical noise in one circuit can be transferred to another circuit that may or may not be electrically connected to it.
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Answer:
Option (c) |
| 8. |
Ratio between the peak value and the root mean square (RMS) value of a periodic waveform is know as
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Answer:
Option (b) |
| 9. |
__________ indicates the deviation of a periodic wave from its ideal waveform characteristics.
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Answer:
Option (c) |
| 10. |
Ratio of the RMS of the harmonic content of a periodic wave to the RMS of the fundamental content of the wave, expressed as a percent. This is known as _______
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Answer:
Option (a) |
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