MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
At overloads, magnetic shunt ________ |
| A. | aids the series flux |
| B. | diverts series flux |
| C. | maintains zero flux |
| D. | disables the shunt flux |
| Answer» C. maintains zero flux | |
| 2. |
Shunt flux is made to lag the applied voltage using ________ |
| A. | lead circuit |
| B. | lag adjustment |
| C. | lead-lag circuit |
| D. | transformer |
| Answer» C. lead-lag circuit | |
| 3. |
As copper shading bands move up ________ |
| A. | more flux is induced |
| B. | less flux is induced |
| C. | intermediate flux is induced |
| D. | no flux is induced |
| Answer» B. less flux is induced | |
| 4. |
Phase angle can be made 90 degrees using ____________ |
| A. | lead circuit |
| B. | lag circuit |
| C. | special design |
| D. | transformer |
| Answer» D. transformer | |
| 5. |
Obtaining correct reading from the energy meter requires ______________ |
| A. | low resistance and iron losses |
| B. | high resistance and iron losses |
| C. | high resistance and low iron losses |
| D. | low resistance and high iron losses |
| Answer» B. high resistance and iron losses | |
| 6. |
At overloads, magnetic shunt _______? |
| A. | aids the series flux |
| B. | diverts series flux |
| C. | maintains zero flux |
| D. | disables the shunt flux |
| Answer» C. maintains zero flux | |
| 7. |
Shunt flux is made to lag the applied voltage using |
| A. | lead circuit |
| B. | lag adjustment |
| C. | lead-lag circuit |
| D. | transformer |
| Answer» C. lead-lag circuit | |
| 8. |
As copper shading bands move up |
| A. | more flux is induced |
| B. | less flux is induced |
| C. | intermediate flux is induced |
| D. | no flux is induced |
| Answer» B. less flux is induced | |
| 9. |
Copper shading bands are _________ |
| A. | placed as resistance |
| B. | placed as wire |
| C. | placed outside the central limb |
| D. | placed around central limb |
| Answer» E. | |
| 10. |
Shading coil consists of many thick turns. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
Phase angle can be made 90 degrees using |
| A. | lead circuit |
| B. | lag circuit |
| C. | special design |
| D. | transformer |
| Answer» D. transformer | |
| 12. |
Obtaining correct reading from the energy meter requires |
| A. | low resistance and iron losses |
| B. | high resistance and iron losses |
| C. | high resistance and low iron losses |
| D. | low resistance and high iron losses |
| Answer» B. high resistance and iron losses | |
| 13. |
The energy meter always measures the load energy correctly. |
| A. | True |
| B. | False |
| Answer» C. | |