MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Instrumentation Transducers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following factors electromagnetic flow meters are sensitive to? |
| A. | Temperature of fluid |
| B. | Viscosity of fluid |
| C. | Density of fluid |
| D. | None of the mentioned |
| Answer» E. | |
| 2. |
Which of the following device is used for measuring emf between electrodes? |
| A. | Low impedance type voltmeter |
| B. | High impedance voltmeter |
| C. | No specification for voltmeter |
| D. | None of the mentioned |
| Answer» C. No specification for voltmeter | |
| 3. |
Which for the following represents condition for maximum emf? |
| A. | Electrodes parallel to pipe length |
| B. | Electrodes parallel to flow |
| C. | Electrodes across flow |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4. |
Electromagnetic flow meter is based on ________________ |
| A. | Coulomb s law |
| B. | Law of electromagnetic induction |
| C. | Kirchhoff law |
| D. | Newton s law |
| Answer» C. Kirchhoff law | |
| 5. |
Servo operated electromagnetic flow meter is _________________ |
| A. | Zero order system |
| B. | First order system |
| C. | Second order system |
| D. | Third order system |
| Answer» D. Third order system | |
| 6. |
Feedback system draws current from the main circuit. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Feedback system in electromagnetic flow meter is applied to ______________ |
| A. | Overcome fluctuation of B |
| B. | Reduce measuring time |
| C. | Reduce excitation supply |
| D. | None of the mentioned |
| Answer» B. Reduce measuring time | |
| 8. |
Frequency of AC electromagnets are independent of magnetic flux density. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Output signal of electromagnetic flow meter inversely proportional to _________________ |
| A. | Magnetic flux density |
| B. | Diameter of tube |
| C. | Velocity of flow |
| D. | None of the mentioned |
| Answer» E. | |
| 10. |
Which of the following are not suitable with electromagnetic flow meter? |
| A. | Steady flowing liquid |
| B. | Slurries |
| C. | Liquid containing particulate matter |
| D. | None of the mentioned |
| Answer» E. | |