MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Power Electronics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
HVDC transmission has ___________ as compared to HVAC transmission. |
| A. | smaller transformer size |
| B. | smaller conductor size |
| C. | higher corona loss |
| D. | smaller power transfer capabilities |
| Answer» C. higher corona loss | |
| 2. |
Usually __________ batteries are used in the UPS systems. |
| A. | NC |
| B. | Li-On |
| C. | Lead acid |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 3. |
Static UPS requires __________ |
| A. | only rectifier |
| B. | only inverter |
| C. | both inverter and rectifier |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 4. |
__________ is used in the rotating type UPS system to supply the mains. |
| A. | DC motor |
| B. | Self excited DC generator |
| C. | Alternator |
| D. | Battery bank |
| Answer» D. Battery bank | |
| 5. |
_________ is used for critical loads where temporary power failure can cause a great deal of inconvenience. |
| A. | SMPS |
| B. | UPS |
| C. | MPS |
| D. | RCCB |
| Answer» C. MPS | |
| 6. |
SPMS are based on the ________ principle. |
| A. | Phase control |
| B. | Integral control |
| C. | Chopper |
| D. | MOSFET |
| Answer» D. MOSFET | |