MCQOPTIONS
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MCQOPTIONS
This section includes 9 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_REAL_POWER_TRANSMITTED_WILL_BE_PROPORTIONAL_TO____________?$ |
| A. | sinδ |
| B. | cosδ |
| C. | δ |
| D. | sin<sup>2</sup>δ |
| Answer» B. cos‚âà√≠¬¨‚Ä¢ | |
| 2. |
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. | |
| 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+ w<sup>2</sup>CLl<sup>2</sup>) |
| B. | (1+ w<sup>2</sup>CLl<sup>2</sup>) |
| C. | Vs/(1+ w<sup>2</sup>CLl<sup>2</sup>) |
| D. | Vs |
| Answer» B. (1+ w<sup>2</sup>CLl<sup>2</sup>) | |
| 5. |
The voltage rise happening at the receiving end due to the line charging capacitance has a magnitude of _______________ |
| A. | ω<sup>2</sup>CLl<sup>2</sup> |
| B. | ω<sup>2</sup>CLl<sup>2</sup>/2 |
| C. | ω<sup>2</sup>l<sup>2</sup>/v<sup>2</sup> |
| D. | ω<sup>2</sup>CLl<sup>2</sup> and ω<sup>2</sup>l<sup>2</sup>/v<sup>2</sup> |
| 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. |
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 | |
| 9. |
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 | |