MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
Response of thermocouples is fast. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Sensitivity is of the order of ________ |
| A. | MV |
| B. | V |
| C. | GV |
| D. | mV |
| Answer» E. | |
| 3. |
What is the main disadvantage of a true r.m.s responding voltmeter? |
| A. | presence of transducer |
| B. | presence of thermocouple |
| C. | presence of transformer |
| D. | presence of oscillator |
| Answer» C. presence of transformer | |
| 4. |
RESPONSE_OF_THERMOCOUPLES_IS_FAST.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Sensitivity is of the order of _______? |
| A. | MV |
| B. | V |
| C. | GV |
| D. | mV |
| Answer» E. | |
| 6. |
What is the naming convention for the two thermocouples? |
| A. | thermocouple 1 and thermocouple 2 |
| B. | input thermocouple and output thermocouple |
| C. | measuring thermocouple and balancing thermocouple |
| D. | internal thermocouple and external thermocouple |
| Answer» D. internal thermocouple and external thermocouple | |
| 7. |
Main disadvantage of a true r.m.s responding voltmeter is ________ |
| A. | presence of transducer |
| B. | presence of thermocouple |
| C. | presence of transformer |
| D. | presence of oscillator |
| Answer» C. presence of transformer | |
| 8. |
Power in a thermocouple is given by ________ |
| A. | Power = E<sup>2</sup> <sub>rms</sub> / R<sub>heater</sub> |
| B. | Power = E<sup>2</sup> <sub>rms</sub> |
| C. | Power = R<sub>heater</sub> |
| D. | Power =E<sup>2</sup> <sub>rms</sub> √ó R<sub>heater</sub> |
| Answer» B. Power = E<sup>2</sup> <sub>rms</sub> | |
| 9. |
Sufficient heating of the heater is ensured by ________ |
| A. | increasing the temperature |
| B. | making use of induction coil |
| C. | amplifying d.c. input |
| D. | amplifying a.c. input |
| Answer» E. | |
| 10. |
Measurement of heat power ________ |
| A. | uses a heat sink |
| B. | uses a thermometer |
| C. | uses a thermocouple |
| D. | uses a black body |
| Answer» D. uses a black body | |
| 11. |
Meter reading is obtained by ________ |
| A. | sensing voltage |
| B. | sensing heat power |
| C. | sensing current |
| D. | sensing resistance |
| Answer» C. sensing current | |
| 12. |
R.M.S value means _________ |
| A. | root mean square |
| B. | rate mean second |
| C. | root median second |
| D. | rate mode second |
| Answer» B. rate mean second | |