MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Transformers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following loss in a transformer is zero even at full load? |
| A. | Core loss |
| B. | Friction loss |
| C. | Eddy current loss |
| D. | Hysteresis loss |
| Answer» C. Eddy current loss | |
| 2. |
In a given transformer for a given applied voltage, which losses remain constant irrespective of load changes? |
| A. | Hysteresis and eddy current losses |
| B. | Friction and windage losses |
| C. | Copper losses |
| D. | Cannot be determined |
| Answer» B. Friction and windage losses | |
| 3. |
Losses which occur in rotating electric machines and do not occur in transformer are ______ |
| A. | Friction and windage losses |
| B. | Magnetic losses |
| C. | Hysteresis and eddy current losses |
| D. | Copper losses |
| Answer» B. Magnetic losses | |
| 4. |
How reduction in core losses and increase in permeability can be obtained simultaneously in a transformer? |
| A. | Core built-up of laminations of cold rolled grain oriented steel |
| B. | Core built-up of laminations of hot rolled sheet |
| C. | Cannot be determined |
| D. | Frequency Meter |
| Answer» B. Core built-up of laminations of hot rolled sheet | |