MCQOPTIONS
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This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Measurements knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Disc rotation is determined by ________ |
| A. | the supply voltage |
| B. | an arrow |
| C. | the turns ratio |
| D. | the load current |
| Answer» C. the turns ratio | |
| 2. |
Disc rotation is determined by _______? |
| A. | the supply voltage |
| B. | an arrow |
| C. | the turns ratio |
| D. | the load current |
| Answer» C. the turns ratio | |
| 3. |
Eddy e.m.f produces a torque. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Excitation of the three coils produces ________ |
| A. | a static magnetic field |
| B. | a rotating magnetic field |
| C. | a static electric field |
| D. | a rotating electric field |
| Answer» C. a static electric field | |
| 5. |
The three coils are ________ |
| A. | star connected |
| B. | delta connected |
| C. | not connected |
| D. | shorted |
| Answer» B. delta connected | |
| 6. |
A rotating phase sequence indicator consists of ________ |
| A. | 1 coil |
| B. | 2 coils |
| C. | 5 coils |
| D. | 3 coils |
| Answer» E. | |
| 7. |
How many types of phase sequence indicators are there? |
| A. | 1 |
| B. | 5 |
| C. | 2 |
| D. | 10 |
| Answer» D. 10 | |
| 8. |
Synchronization of A.C. supply means __________ |
| A. | different phase sequence |
| B. | same phase sequence |
| C. | zero phase |
| D. | using a transformer |
| Answer» C. zero phase | |
| 9. |
Phase sequence indicator gives the maximum value of phase voltages. |
| A. | True |
| B. | False |
| Answer» B. False | |