MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Transformers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How temperature rise of an oil-immersed transformer is not found out? |
| A. | Short circuit equivalent test |
| B. | Delta/delta test |
| C. | Back-to-back test |
| D. | Normal SC test |
| Answer» E. | |
| 2. |
Which of the following is not in the category of special test for a transformer? |
| A. | Short-circuit test |
| B. | Harmonics on the no-load current |
| C. | Power taken by fan and oil-pump motors |
| D. | Open-circuit test |
| Answer» E. | |
| 3. |
Which of the following tests don t indicate that transformer will work satisfactorily for at least 30 Years? |
| A. | Temperature rise |
| B. | Dielectric test |
| C. | Overvoltage test |
| D. | Load current runs |
| Answer» B. Dielectric test | |
| 4. |
Which of the following parameters don t define that transformer is built correctly? |
| A. | Losses |
| B. | Polarity |
| C. | Tap changing operation |
| D. | Ratio |
| Answer» B. Polarity | |
| 5. |
Which of the following is not a routine test for transformers? |
| A. | Impedance test |
| B. | Core insulation voltage test |
| C. | Radio interference test |
| D. | Polarity test |
| Answer» D. Polarity test | |