MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
If a line is considered with negligible power losses, then the reactive power transmitted is proportional to receiving end voltage. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
If a line is considered with negligible power losses, then the real power transmitted will be proportional to ___________ |
| A. | sinδ |
| B. | cosδ |
| C. | δ |
| D. | sin2δ |
| Answer» B. cosδ | |
| 3. |
If a line is considered with negligible power losses, then the real power transmitted will be proportional to sinδ. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
The receiving end voltage at the no load will be ____________ |
| A. | Vs(1+ w2CLl2) |
| B. | (1+ w2CLl2) |
| C. | Vs/(1+ w2CLl2) |
| D. | Vs |
| Answer» B. (1+ w2CLl2) | |
| 5. |
The voltage rise happening at the receiving end due to the line charging capacitance has a magnitude of _______________ |
| A. | ω2CLl2 |
| B. | ω2CLl2/2 |
| C. | ω2l2/v2 |
| D. | ω2CLl2 and ω2l2/v2 |
| Answer» E. | |
| 6. |
Ferranti effect is more prominent due to ____________ |
| A. | line capacitance |
| B. | surge capacitance |
| C. | stray capacitance |
| D. | all of the mentioned |
| Answer» B. surge capacitance | |
| 7. |
When can an incident wave not distinguish between the termination and an infinite continuation of line? |
| A. | When line is terminated by its characteristic impedance |
| B. | When line is terminated by its surge impedance |
| C. | When line is open |
| D. | When line is terminated by its characteristic and surge impedance |
| Answer» B. When line is terminated by its surge impedance | |
| 8. |
The equation given below is the voltage equation,Then it is ________________ |
| A. | reflected wave receiving to sending end |
| B. | reflected wave sending to receiving end |
| C. | incident wave from receiving end to sending end |
| D. | refracted wave from receiving end to next end |
| Answer» B. reflected wave sending to receiving end | |
| 9. |
At any point along the line, the instantaneous voltage is ___________ |
| A. | sum of incident and reflected voltage |
| B. | incident voltage |
| C. | sum of incident and refracted voltage |
| D. | twice the incident voltage |
| Answer» B. incident voltage | |
| 10. |
The instantaneous voltage wave in the long transmission line is a function of _____________ |
| A. | time and distance |
| B. | time |
| C. | distance |
| D. | time, distance and reactive inductance |
| Answer» B. time | |