MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Power Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The corona loss on a particular system at 50 Hz is 1 kW/phase per km. The corona loss on the same system in case of DC transmission will be ____________ |
| A. | Zero |
| B. | 0.5 kW/phase/km |
| C. | 0.33 kW/phase/km |
| D. | 0.6 kW/phase/km |
| Answer» D. 0.6 kW/phase/km | |
| 2. |
It is required to implement the HVDC system using the thyristors in large numbers. Why it becomes necessary to use a large number of thyristor switches? |
| A. | Due to low voltage rating of thyristor switches |
| B. | Due to low current rating of thyristor switches |
| C. | Due to lack of response for open circuit fault |
| D. | Cannot be determined |
| Answer» B. Due to low current rating of thyristor switches | |
| 3. |
(i) Low short circuit current is required in dc system
|
| A. | n Choose the most appropriate. |
| B. | (i) and (ii) both are true |
| C. | Only (ii) is false |
| D. | Only (i) is false |
| E. | Both statements are false |
| Answer» C. Only (ii) is false | |