MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Electric Drives knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
T.H.D value for 3-∅ 180° VSI is ________________ |
| A. | 36 % |
| B. | 31 % |
| C. | 39 % |
| D. | 46 % |
| Answer» C. 39 % | |
| 2. |
Calculate power absorbed by 10 Ω load in 3-∅ 180° VSI if the value of DC supply is 36 V. |
| A. | 20.6 W |
| B. | 24.5 W |
| C. | 26.4 W |
| D. | 28.8 W |
| Answer» E. | |
| 3. |
Calculate power absorbed by 5 Ω load in 3-∅ 120° VSI if the value of DC supply is 16 V. |
| A. | 17.06 W |
| B. | 15.15 W |
| C. | 18.25 W |
| D. | 19.26 W |
| Answer» B. 15.15 W | |
| 4. |
Calculate the phase voltage for 3-∅ 120° VSI if the value of DC supply is 26 V. |
| A. | 10.52 V |
| B. | 10.97 V |
| C. | 10.96 V |
| D. | 10.61 V |
| Answer» E. | |
| 5. |
Calculate the line voltage for 3-∅ 120° VSI if the value of DC supply is 24 V. |
| A. | 16.52 V |
| B. | 16.97 V |
| C. | 12.96 V |
| D. | 12.48 V |
| Answer» C. 12.96 V | |
| 6. |
Calculate the line voltage for 3-∅ 180° VSI if the value of DC supply is 22 V. |
| A. | 18.52 V |
| B. | 18.12 V |
| C. | 17.96 V |
| D. | 15.48 V |
| Answer» D. 15.48 V | |
| 7. |
Calculate the phase voltage for 3-∅ 180° VSI if the value of DC supply is 20 V. |
| A. | 9.40 V |
| B. | 9.42 V |
| C. | 9.18 V |
| D. | 9.78 V |
| Answer» C. 9.18 V | |
| 8. |
Number of switches turned on in 3-phase 120° VSI at a single time are __________ |
| A. | 2 |
| B. | 4 |
| C. | 5 |
| D. | 3 |
| Answer» E. | |
| 9. |
Number of switches turned on in 3-phase 180° VSI at a single time are __________ |
| A. | 3 |
| B. | 2 |
| C. | 1 |
| D. | 4 |
| Answer» C. 1 | |
| 10. |
Full form of CSI is ___________ |
| A. | Counter source inverter |
| B. | Counter severe inverter |
| C. | Current source inverter |
| D. | Current severe inverter |
| Answer» D. Current severe inverter | |
| 11. |
Full form of VSI is ___________ |
| A. | Voltage source inverter |
| B. | Volume source inverter |
| C. | Voltage severe inverter |
| D. | Voltage source inserter |
| Answer» B. Volume source inverter | |
| 12. |
Switches used in CSI are ____________ |
| A. | Bipolar & Unidirectional |
| B. | Bipolar & Bidirectional |
| C. | Unipolar & Unidirectional |
| D. | Bidirectional |
| Answer» B. Bipolar & Bidirectional | |
| 13. |
Switches used in VSI are ___________ |
| A. | Unipolar & Unidirectional |
| B. | Bipolar & Bidirectional |
| C. | Unipolar & Bidirectional |
| D. | Unidirectional |
| Answer» D. Unidirectional | |
| 14. |
Short circuit problem is severe in case of Voltage source inverter. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 15. |
Inverters are used to convert DC power into variable AC power. |
| A. | True |
| B. | False |
| Answer» B. False | |