MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 15 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. |
For accurate temperature measurement in a thermocouple the __________ |
| A. | cold compensation is needed |
| B. | hot compensation is needed |
| C. | no compensation is needed |
| D. | hot and cold compensations are needed |
| Answer» B. hot compensation is needed | |
| 2. |
Which of the following should satisfy for measuring higher temperatures using a thermocouple? |
| A. | no wire is required |
| B. | wire must be small |
| C. | wire must be thin |
| D. | wire must be heavy |
| Answer» E. | |
| 3. |
If two different metals are joined forming a closed circuit an electric current flows. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
The algebraic sum of e.m.f.s in a circuit containing thermocouples is __________ |
| A. | infinite |
| B. | hundred |
| C. | zero |
| D. | ten |
| Answer» D. ten | |
| 5. |
Commonly used thermoelectric transducer is __________ |
| A. | thermometer |
| B. | thermocouple |
| C. | linear variable differential transducer |
| D. | loud speaker |
| Answer» C. linear variable differential transducer | |
| 6. |
FOR_ACCURATE_TEMPERATURE_MEASUREMENT_IN_A_THERMOCOUPLE.?$ |
| A. | cold compensation is needed |
| B. | hot compensation is needed |
| C. | no compensation is needed |
| D. | hot and cold compensations are needed |
| Answer» B. hot compensation is needed | |
| 7. |
For measuring higher temperatures using a thermocouple? |
| A. | no wire is required |
| B. | wire must be small |
| C. | wire must be thin |
| D. | wire must be heavy |
| Answer» E. | |
| 8. |
If two different metals are joined forming a closed circuit an electric current flows? |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Most suitable material for a thermocouple is ________ |
| A. | brass |
| B. | gold |
| C. | platinum |
| D. | silver |
| Answer» D. silver | |
| 10. |
Thermocouple must provide ________ |
| A. | small thermo e.m.f |
| B. | sufficient thermo e.m.f |
| C. | no thermo e.m.f |
| D. | infinite thermo e.m.f |
| Answer» C. no thermo e.m.f | |
| 11. |
Chromel-constantan thermopile consists of 25 thermocouples. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
What is a thermopile? |
| A. | single thermocouple |
| B. | series-parallel connection of thermocouples |
| C. | parallel connection of thermocouples |
| D. | series of thermocouples |
| Answer» E. | |
| 13. |
The algebraic sum of e.m.f.s in a circuit containing thermocouples is |
| A. | infinite |
| B. | hundred |
| C. | zero |
| D. | ten |
| Answer» D. ten | |
| 14. |
Commonly used thermoelectric transducer is |
| A. | thermometer |
| B. | thermocouple |
| C. | linear variable differential transducer |
| D. | loud speaker |
| Answer» C. linear variable differential transducer | |
| 15. |
Thermoelectric transducer is a __________ |
| A. | temperature transducer |
| B. | pressure transducer |
| C. | inductive transducer |
| D. | capacitive transducer |
| Answer» B. pressure transducer | |