MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
Assume a 275 kV transmission line having the following line constants:A = 0.85 5 ; B = 200 75 If a load is connected at receiving end at unity power factor but maintaining the same voltage profile. The receiving end voltage if the compensation equipment is not installed will be __________ |
| A. | 245 kV |
| B. | 280 kV |
| C. | 255 kV |
| D. | 272 kV |
| Answer» B. 280 kV | |
| 2. |
Assume a 275 kV transmission line having the following line constants:A = 0.8 5 ; B = 200 75 If a load is connected at receiving end at unity power factor but maintaining the same voltage profile. Then _________ compensation will be needed at ______ |
| A. | capacitive, receiving end |
| B. | inductive, sending end |
| C. | capacitive, sending end |
| D. | inductive, receiving end |
| Answer» B. inductive, sending end | |
| 3. |
Assume a 275 kV transmission line having the following line constants:A = 0.8 5 ; B = 200 75 If a load is connected at receiving end at unity power factor but maintaining the same voltage profile. Will this system now need any type of compensation? If so, then which one? |
| A. | Yes, capacitive |
| B. | No |
| C. | Yes, inductive |
| D. | Yes, inductive and capacitive |
| Answer» B. No | |
| 4. |
Assume a 275 kV transmission line having the following line constants:A = 0.8 5 ; B = 200 75 If a load is connected at receiving end at unity power factor but maintaining the same voltage profile. Will this system now need any type of compensation? |
| A. | Yes |
| B. | No |
| C. | Cannot be said |
| D. | Never |
| Answer» B. No | |
| 5. |
Assume a 275 kV transmission line having the following line constants:A = 0.8 5 ; B = 200 75 For obtaining 275 kV voltage at the receiving end obtaining unity power factor, the power angle required to be set as __________ |
| A. | 26.23 |
| B. | 22 |
| C. | 25 |
| D. | 24 |
| Answer» B. 22 | |
| 6. |
Assume a 275 kV transmission line having the following line constants:A = 0.8 5 ; B = 200 75 For obtaining 275 kV voltage at the receiving end obtaining unity power factor, the power transmitted will be _____________ |
| A. | 124 MW |
| B. | 117.2 MW |
| C. | 116 MW |
| D. | 110 MW |
| Answer» B. 117.2 MW | |
| 7. |
Choose the most feasible method for raising the power to be delivered at the reactive end.(i)Reducing the line reactance |
| A. | n(ii)Raising the voltage level |
| B. | (i) |
| C. | (ii) |
| D. | (i), (ii) |
| E. | None of the methods |
| Answer» B. (i) | |
| 8. |
If a line is considered with negligible power losses, then the real power transmitted will be proportional to voltage drop and the reactive power drop is proportional to cos . |
| A. | True |
| B. | False |
| Answer» C. | |