MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering Mcqs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Series capacitors are used to_________________? |
| A. | Compensate for line inductive reactance |
| B. | Compensate for line capacitive reactance |
| C. | Improve line voltage |
| D. | None of the above |
| Answer» B. Compensate for line capacitive reactance | |
| 2. |
SF6 gas______________? |
| A. | Is yellow in colour |
| B. | Is lighter than air |
| C. | Is nontoxic |
| D. | Has pungent small |
| Answer» D. Has pungent small | |
| 3. |
Series reactors should have________________? |
| A. | Low resistance |
| B. | High resistance |
| C. | Low impedance |
| D. | High impedance |
| Answer» B. High resistance | |
| 4. |
For which of the following protection from negative sequence currents is provided ? |
| A. | Generators |
| B. | Motors |
| C. | Transmission line |
| D. | Transformers |
| Answer» B. Motors | |
| 5. |
Short-circuit currents are due to_______________? |
| A. | Single phase to ground faults |
| B. | Phase to phase faults |
| C. | Two phase to ground faults |
| D. | Three phase faults |
| Answer» F. | |
| 6. |
Shunt capacitance is neglected while considering______________? |
| A. | Short transmission line |
| B. | Medium transmission line |
| C. | Long transmission line |
| D. | Medium and long transmission lines |
| Answer» B. Medium transmission line | |
| 7. |
Which of the following circuit breakers has high reliability and minimum maintenance ? |
| A. | Air blast circuit breakers |
| B. | Circuit breaker with SF6 gas |
| C. | Vacuum circuit breakers |
| D. | Oil circuit breakers |
| Answer» C. Vacuum circuit breakers | |