MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Transformers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Core type transformer is with ____________________ |
| A. | Large size |
| B. | Small size |
| C. | High voltage |
| D. | Everywhere |
| Answer» B. Small size | |
| 2. |
Which of the following is correct statement? |
| A. | Core type transformer has more output than shell type |
| B. | Core type transformer has higher efficiency compare to shell type |
| C. | Core type transformer has lower efficiency than shell type |
| D. | Can’t predict |
| Answer» D. Can’t predict | |
| 3. |
There is only one magnetic flux path in the circuit. The transformer is definitely ________________ |
| A. | Core type |
| B. | Shell type |
| C. | Can be any of the above |
| D. | Depends on other parameters |
| Answer» B. Shell type | |
| 4. |
WHICH_OF_THE_FOLLOWING_IS_CORRECT_STATEMENT??$ |
| A. | Core type transformer has more output than shell type |
| B. | Core type transformer has higher efficiency compare to shell type |
| C. | Core type transformer has lower efficiency than shell type |
| D. | Can’t predict |
| Answer» D. Can‚Äö√Ñ√∂‚àö√ë‚àö¬•t predict | |
| 5. |
Which of the following is the correct statement?$ |
| A. | Shell type has more mechanical protection |
| B. | Cooling is more in shell type |
| C. | In core type sandwiched wiring is used |
| D. | In core type concentric winding is used |
| Answer» E. | |
| 6. |
Core_type_transformer_is_with_____________________$ |
| A. | Large size |
| B. | Small size |
| C. | High voltage |
| D. | Everywhere |
| Answer» B. Small size | |
| 7. |
What is the thickness of laminations used in a transformer? |
| A. | 0.1 mm to 0.5 mm |
| B. | 4 mm to 5 mm |
| C. | 14 mm to 15 mm |
| D. | 25 mm to 40 mm |
| Answer» B. 4 mm to 5 mm | |
| 8. |
What is the purpose of providing an iron core in a transformer? |
| A. | Provide support to windings |
| B. | Reduce hysteresis loss |
| C. | Decrease the reluctance of the magnetic path |
| D. | Reduce eddy current losses |
| Answer» D. Reduce eddy current losses | |
| 9. |
There is only one magnetic flux path in the circuit. The transformer is definitely _______________? |
| A. | Core type |
| B. | Shell type |
| C. | Can be any of the above |
| D. | Depends on other parameters |
| Answer» B. Shell type | |
| 10. |
Different core construction is required for core type and shell type transformer. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Which type of flux does transformer action need? |
| A. | Constant magnetic flux |
| B. | Increasing magnetic flux |
| C. | Alternating magnetic lux |
| D. | Alternating electric flux |
| Answer» D. Alternating electric flux | |
| 12. |
In various radio devices and testing instruments we use ______________ |
| A. | Iron core transformer |
| B. | Air core transformer |
| C. | W/O core transformer |
| D. | Any transformer can be used |
| Answer» B. Air core transformer | |
| 13. |
Transformer operating at 25-400 Hz frequency contain core made of _____________ |
| A. | Highly permeable iron |
| B. | Steel alloy |
| C. | Air core |
| D. | Highly permeable iron and Steel alloy |
| Answer» E. | |
| 14. |
Transformer core is constructed for ______________ |
| A. | Providing least effective magnetic linkage between two windings |
| B. | Providing isolation between magnetic linkages of one coil from another |
| C. | Providing most effective magnetic linkage between two windings |
| D. | Cannot be determined |
| Answer» D. Cannot be determined | |
| 15. |
Transformer core is generally made of ___________ |
| A. | Single block of core material |
| B. | By stacking large number of sheets together |
| C. | Can be made with any of the above method |
| D. | Cannot be determined |
| Answer» C. Can be made with any of the above method | |