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. |
Source transformation is not valid for ___________ |
| A. | Ideal voltage source |
| B. | Ideal current and voltage source |
| C. | Practical voltage source |
| D. | Practical current source |
| Answer» C. Practical voltage source | |
| 2. |
When 15 A current flows into the positive terminal of voltage source 60 V. Calculate the power delivered by the source. |
| A. | -900 W |
| B. | 936 W |
| C. | -943 W |
| D. | 950 W |
| Answer» B. 936 W | |
| 3. |
Calculate the active power in an inf Ω resistor with 0 current flowing through it. |
| A. | inf MW |
| B. | 4.44 MW |
| C. | 12 MW |
| D. | 6.18 MW |
| Answer» B. 4.44 MW | |
| 4. |
Calculate the equivalent resistance when three resistances are connected in series of values 8 Ω, 3 Ω, 1 Ω. |
| A. | 12 Ω |
| B. | 18 Ω |
| C. | 15 Ω |
| D. | 16 Ω |
| Answer» B. 18 Ω | |
| 5. |
Calculate the equivalent inductance when two inductors are connected in series of values 4 H and 9 H. |
| A. | 13 H |
| B. | 10 H |
| C. | 11 H |
| D. | 12 H |
| Answer» B. 10 H | |
| 6. |
When 10 A current leaves the positive terminal of resistance 5Ω. Calculate the power absorbed by the resistance. |
| A. | -308 W |
| B. | 500 W |
| C. | -63 W |
| D. | 60 W |
| Answer» C. -63 W | |
| 7. |
When 5 A current flows into the positive terminal of voltage source 6 V. Calculate the power delivered by the source. |
| A. | -30 W |
| B. | 36 W |
| C. | -43 W |
| D. | 50 W |
| Answer» B. 36 W | |
| 8. |
During short circuit condition, the voltage is equal to ________ |
| A. | 2 V |
| B. | 0 V |
| C. | 1 V |
| D. | 3 V |
| Answer» C. 1 V | |
| 9. |
The dead network does not have any _________ |
| A. | Dependent source |
| B. | Independent source |
| C. | Resistor |
| D. | Capacitor |
| Answer» C. Resistor | |
| 10. |
All circuits are always _________ |
| A. | Networks |
| B. | Resistors |
| C. | Capacitors |
| D. | Inductors |
| Answer» B. Resistors | |
| 11. |
Wound rotor induction motor has better ________ characteristics than Squirrel cage induction motor. |
| A. | Starting |
| B. | Running |
| C. | Modified |
| D. | Quasi-state |
| Answer» B. Running | |
| 12. |
Full form of SCIM. |
| A. | Squirrel cage induction motor |
| B. | Solid cage induction motor |
| C. | Square cage induction motor |
| D. | Squirrel cage inverter motor |
| Answer» B. Solid cage induction motor | |
| 13. |
Regenerative is the best electrical braking among all braking techniques. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
Regenerative braking is not possible in a series motor. |
| A. | True |
| B. | False |
| Answer» B. False | |