MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering (MCQ) questions and answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
SF Circuit breakers are manufactured up to the voltage of |
| A. | 33 kV |
| B. | 66kV |
| C. | 480 kV |
| D. | 800 kV |
| Answer» E. | |
| 2. |
According to the Paschen s Law, the breakdown voltage of a uniform field gap is |
| A. | Directly proportional to the gas pressure and inversely proportional to the electrode gap |
| B. | Inversely proportional to the gas pressure and directly proportional to the electrode gap |
| C. | Directly proportional to the both electrode gap and gas pressure |
| D. | Inversely proportional to the both electrode gap and gas pressure |
| Answer» D. Inversely proportional to the both electrode gap and gas pressure | |
| 3. |
Which among the following is not an example of impreg ts? |
| A. | Mineral oil |
| B. | Chlorinated diphenyl |
| C. | Vegetable oils |
| D. | None of these |
| Answer» E. | |
| 4. |
The disadvantages of reso t transformers is |
| A. | Pure sine wave output |
| B. | No high power arcing |
| C. | No repeated flashovers |
| D. | Additional variable chokes |
| Answer» E. | |
| 5. |
Series capacitance voltmeters were used with cascade transformers for measuring rms values up to |
| A. | 100 kV |
| B. | 500 kV |
| C. | 800 kV |
| D. | 1000 kV |
| Answer» E. | |
| 6. |
For voltage measurements, the gap which gives highest accuracy is |
| A. | Sphere gaps |
| B. | Field gaps |
| C. | Rod gaps |
| D. | None of these |
| Answer» B. Field gaps | |