MCQOPTIONS
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MCQOPTIONS
This section includes 16 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. |
On which side of the transformer tap changer is provided? |
| A. | On High Voltage side |
| B. | On low voltage side |
| C. | On high voltage and low voltage side |
| D. | In core |
| Answer» B. On low voltage side | |
| 2. |
What is the full form of AVR? This term is related to voltage control? |
| A. | Automatic Voltage Rectifier |
| B. | Actuated Voltage Rectifier |
| C. | Automatic Voltage Rectifier |
| D. | Automatic Voltage Regulator |
| Answer» E. | |
| 3. |
Which of the following equipment is not used for voltage control? |
| A. | Tap changing transformer |
| B. | Induction generators |
| C. | Series compensators |
| D. | Synchronous phase modifiers |
| Answer» C. Series compensators | |
| 4. |
What is the limit within which the consumer’s end terminal voltage should be maintained? |
| A. | ± 9 % |
| B. | ± 10 % |
| C. | ± 5 % |
| D. | ± 6 % |
| Answer» E. | |
| 5. |
During Ferranti effect the voltage drop across line resistance ___________ |
| A. | In phase with reciving end voltage |
| B. | lags behind reciving end voltage |
| C. | lead the reciving end voltage |
| D. | lags behind sending end voltage |
| Answer» D. lags behind sending end voltage | |
| 6. |
WHICH_OF_THE_FOLLOWING_EQUIPMENT_IS_NOT_USED_FOR_VOLTAGE_CONTROL??$ |
| A. | Tap changing transformer |
| B. | Induction generators |
| C. | Series compensators |
| D. | Synchronous phase modifiers |
| Answer» C. Series compensators | |
| 7. |
On which side of the transformer tap changer is provided?$ |
| A. | On High Voltage side |
| B. | On low voltage side |
| C. | On high voltage and low voltage side |
| D. | In core |
| Answer» B. On low voltage side | |
| 8. |
What_is_the_full_form_of_AVR?_This_term_is_related_to_voltage_control?$ |
| A. | Automatic Voltage Rectifier |
| B. | Actuated Voltage Rectifier |
| C. | Automatic Voltage Rectifier |
| D. | Automatic Voltage Regulator |
| Answer» E. | |
| 9. |
What is the main reason for maintaining consumer end voltage within prescribed limit? |
| A. | Because it is declared by the supplier |
| B. | For satisfactory operation of electrical equipments |
| C. | For easy calculation of units supplied |
| D. | To reduce the line losses |
| Answer» C. For easy calculation of units supplied | |
| 10. |
What is the limit within which the consumer’s end terminal voltage should be maintained?$ |
| A. | ± 9 % |
| B. | ± 10 % |
| C. | ± 5 % |
| D. | ± 6 % |
| Answer» E. | |
| 11. |
Under no load condition inductance of line predominant the line to earth capacitances. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Which of the following equipment or element can reduce Ferranti effect? |
| A. | Relay |
| B. | Circuit Breaker |
| C. | Resistors |
| D. | Current limiting reactors |
| Answer» E. | |
| 13. |
A transmission line of 200 Km is supplying at 50Hz frequency. What is the percentage rise in voltage at reciving end? |
| A. | 20% |
| B. | 1.2% |
| C. | 2.19% |
| D. | 20.8% |
| Answer» D. 20.8% | |
| 14. |
During Ferranti effect the voltage drop across line resistance ___________ |
| A. | In phase with reciving end voltage |
| B. | lags behind reciving end voltage |
| C. | lead the reciving end voltage |
| D. | lags behind sending end voltage |
| Answer» D. lags behind sending end voltage | |
| 15. |
What happens during the Ferranti effect? |
| A. | Reciving end current becomes more than sending end current |
| B. | Reciving end voltage becomes more than sending end voltage |
| C. | Reciving end power becomes more than sending end power |
| D. | Reciving end frequency becomes more than sending end frequency |
| Answer» C. Reciving end power becomes more than sending end power | |
| 16. |
Ferranti effect is not a problem for ________ |
| A. | Long Transmission lines |
| B. | Medium Transmission lines |
| C. | Short Transmission lines |
| D. | Transmission line having high capacitance |
| Answer» D. Transmission line having high capacitance | |