MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
Overload compensating devices is _________ |
| A. | in the form of a magnetic shunt |
| B. | in the form of a series magnet |
| C. | in the form of a transformer |
| D. | in the form of a supply |
| Answer» B. in the form of a series magnet | |
| 2. |
Self braking action is minimised by _________ |
| A. | maintaining high speed for disc |
| B. | maintaining medium speed for disc |
| C. | keeping the disc at rest |
| D. | maintaining low speed for disc |
| Answer» E. | |
| 3. |
At full load, disc __________ |
| A. | partially revolves and then stops |
| B. | continuously revolves |
| C. | does not revolve at all |
| D. | revolves in an alternating fashion |
| Answer» C. does not revolve at all | |
| 4. |
Small torque for energy meter is provided __________ |
| A. | by a supply |
| B. | by a shading loop |
| C. | by unshaded loop |
| D. | by a transformer |
| Answer» C. by unshaded loop | |
| 5. |
Energy meter reads correctly when the ___________ |
| A. | torque is small |
| B. | torque is large |
| C. | torque is medium |
| D. | torque is zero |
| Answer» B. torque is large | |
| 6. |
OVERLOAD_COMPENSATING_DEVICES_IS__________?$ |
| A. | in the form of a magnetic shunt |
| B. | in the form of a series magnet |
| C. | in the form of a transformer |
| D. | in the form of a supply |
| Answer» B. in the form of a series magnet | |
| 7. |
Self braking action is minimised by ________? |
| A. | maintaining high speed for disc |
| B. | maintaining medium speed for disc |
| C. | keeping the disc at rest |
| D. | maintaining low speed for disc |
| Answer» E. | |
| 8. |
Self braking torque is _________ |
| A. | proportional to cube of load current |
| B. | proportional to load current |
| C. | proportional to square of load current |
| D. | proportional to reciprocal of load current |
| Answer» D. proportional to reciprocal of load current | |
| 9. |
At full load, disc |
| A. | partially revolves and then stops |
| B. | continuously revolves |
| C. | does not revolve at all |
| D. | revolves in an alternating fashion |
| Answer» C. does not revolve at all | |
| 10. |
Frictional errors are dominant in an energy meter. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Friction torque is eliminated by _________ |
| A. | using lubricating oil |
| B. | by suspending the components in air |
| C. | by adjusting position of limb |
| D. | by using steel alloy components |
| Answer» D. by using steel alloy components | |
| 12. |
Driving torque is small and is adjustable. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
Small torque for energy meter is provided |
| A. | by a supply |
| B. | by a shading loop |
| C. | by unshaded loop |
| D. | by a transformer |
| Answer» C. by unshaded loop | |
| 14. |
Energy meter reads correctly when |
| A. | torque is small |
| B. | torque is large |
| C. | torque is medium |
| D. | torque is zero |
| Answer» B. torque is large | |