MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
Which type of grounding is used to suppress the capacitive effect? |
| A. | Solid grounding |
| B. | Reactance grounding |
| C. | Resistance grounding |
| D. | Peterson coil |
| Answer» E. | |
| 2. |
Calculate the value of impedance using the data: R=2 , XL=4 . |
| A. | 5.5 |
| B. | 5.4 |
| C. | 2.5 |
| D. | 4.4 |
| Answer» E. | |
| 3. |
Calculate the apparent power using the data: P=3 W, Q=4 VAR. |
| A. | 5 VA |
| B. | 6 VA |
| C. | 9 VA |
| D. | 2 VA |
| Answer» B. 6 VA | |
| 4. |
Calculate the active power in 56 F capacitor if the VRF value is 5.1%. |
| A. | 6 W |
| B. | 0 W |
| C. | 9 W |
| D. | 2 W |
| Answer» C. 9 W | |
| 5. |
Calculate the power factor using the data: P=15 W, S=25 VA. |
| A. | 0.5 |
| B. | 0.9 |
| C. | 0.4 |
| D. | 0.6 |
| Answer» E. | |
| 6. |
Calculate the active power in 14 H inductors if the THD value is 58.1%. |
| A. | 5 W |
| B. | 9 W |
| C. | 4 W |
| D. | 0 W |
| Answer» E. | |
| 7. |
If induction motor rotor power is 26 KW and gross developed power is 21 KW, then rotor ohmic loss will be _________ KW. |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | 8 |
| Answer» B. 6 | |
| 8. |
If induction motor air gap power is 11 KW and mechanically developed power is 2 KW, then rotor ohmic loss will be _________ KW. |
| A. | 8 |
| B. | 10 |
| C. | 9 |
| D. | 11 |
| Answer» D. 11 | |
| 9. |
Skin effect increases at higher frequencies. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Which is the most severe type of fault? |
| A. | LL |
| B. | LLG |
| C. | LLL |
| D. | LLLG |
| Answer» E. | |
| 11. |
SVC is used to maintain the power factor above __________ |
| A. | .2 |
| B. | .5 |
| C. | .8 |
| D. | .6 |
| Answer» D. .6 | |
| 12. |
The circuit which operates signals is called as ___________ |
| A. | Track circuit |
| B. | Fellow circuit |
| C. | Ground circuit |
| D. | Unit circuit |
| Answer» B. Fellow circuit | |
| 13. |
Full form of STATCOM is ___________ |
| A. | Static Synchronous Counter |
| B. | Static Synchronous Compensator |
| C. | State Synchronized Compensator |
| D. | State System Counter |
| Answer» C. State Synchronized Compensator | |
| 14. |
Full form of SVC is ___________ |
| A. | Static Var Compensator |
| B. | Static Variable Counter |
| C. | State Value Counter |
| D. | Static Value Compensator |
| Answer» B. Static Variable Counter | |