QUIZ ON EE 6005 POWER QUALITY
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1. Results of a survey on the causes of power quality problems, based on Customer Perception, shows that, power quality problems due to utility is
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2. Which one of the following is common power quality problem in distribution system?
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3. Duration of under voltage is
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4.Main cause of the voltage sag is
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5. Mention the IEEE standard for Monitoring Electrical Power Quality
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6. Voltage swell is characterized by
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7. Which one of the following is used for mitigating voltage sag?
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8. Cause of the flickering is the
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9. Flicker is compensated by using
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10.Sources of impulsive transient is
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11. The presence of D.C.current /voltage component in an A.C system is called
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12. Ferro resonance is a phenomenon occurs at the
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13. DC circuit has which of the following harmonic components:
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14. Notching is caused by the
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15. The main cause of the inter harmonics is the
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16. Frequency of sub-harmonics is less than fundamental frequency
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17. Harmonics is a steady state power quality problem
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18.A nonlinear device is one in which the current is not proportional to the applied voltage
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19.IEEE Standard Recommended Practices and Requirements for Harmonic Control in Electrical Power Systems is 519-1992
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20.Which one is called zero order harmonics?
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21.Impulsive transient is
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22.Most of the power quality problems are related to grounding and neutral size issues
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23.Harmonics present in the system will cause interference with neighboring Telephone Lines
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24.Which of the following is not a source of harmonic current
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25.The third harmonic currents are known as ______ :
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