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. |
When does capacitor is included in equivalent circuit of transformer? |
| A. | Transformer of very high VA rating |
| B. | Transformer with very high frequency operation |
| C. | Transformer with less VA |
| D. | Never |
| Answer» C. Transformer with less VA | |
| 2. |
Parallel parameters in a transformer equivalent circuit contains ___________ |
| A. | G<sub>i</sub> and B<sub>m</sub> |
| B. | R<sub>1</sub> and X<sub>1</sub> |
| C. | R<sub>2</sub> and X<sub>2</sub> |
| D. | Cannot be determined |
| Answer» B. R<sub>1</sub> and X<sub>1</sub> | |
| 3. |
To convert an ideal transformer into a practical transformer we add ____________ |
| A. | Primary winding resistance and secondary winding resistance |
| B. | Primary winding leakage reactance and secondary winding leakage reactance |
| C. | Primary winding resistance, leakage and secondary winding leakage reactance |
| D. | Cannot be determined |
| Answer» D. Cannot be determined | |
| 4. |
Both resistances and leakage reactances of the transformer windings are __________ |
| A. | Series effects |
| B. | Parallel effects |
| C. | Series-parallel effects |
| D. | Cannot say |
| Answer» B. Parallel effects | |
| 5. |
When does transformer breath in? |
| A. | load on it increases |
| B. | load on it decreases |
| C. | load remains constant |
| D. | cannot be determined |
| Answer» C. load remains constant | |