Electrical measurements MCQ Quiz Hub

Electrical Measurement MCQ Question Set 16

Choose a topic to test your knowledge and improve your Electrical measurements skills

1. Pressure is the _____




2. Pressure measurement devices make use of _____




3. Output of electrical transducer is ____




4. In general how many pressure sensitive devices are there?




5. Diaphragms in a pressure sensor are of _____




6. Temperature is the only consideration while selecting a diaphragm.




7. Capsule type of pressure sensor consists of ______




8. Bourdon tubes are ____




9. Bellows have 5 to 20 convolutions.




10. Sensitivity in a capsule is increased ______




11. Mutual inductance depends on ______




12. Self-inductance of an inductor is given by _____




13. Reluctance of a coil is given by which of the following relation?




14. Self-inductance depends on ______




15. What is the relation between the self-inductance and the reluctance of a coil?




16. Based on self-inductance of a coil, how many types of inductive transducers are available?




17. In an eddy current transducer output depends on the variation in the eddy current.




18. An inductive transducer measures the variation in _____




19. Inductive transducer is used for the measurement of physical quantities.




20. A capacitive transducer works on the principle of ______




21. Capacitance can be varied in ____




22. Capacitive pressure transducer uses distance of separation for sensing the capacitance.




23. Capacitive transducer displays ____




24. Frequency response of capacitive transducers is ____




25. What is the relation between capacitance and output impedance?




26. What is the relation between capacitance and input impedance?




27. Composite capacitance consists of _________




28. Thermoelectric transducer is a _____




29. Commonly used thermoelectric transducer is _____




30. The algebraic sum of e.m.f.s in a circuit containing thermocouples is ______




31. What is a thermopile?




32. Chromel-constantan thermopile consists of 25 thermocouples.




33. Thermocouple must provide _____




34. Most suitable material for a thermocouple is ______




35. If two different metals are joined forming a closed circuit an electric current flows.




36. Which of the following should satisfy for measuring higher temperatures using a thermocouple?




37. For accurate temperature measurement in a thermocouple the _____




38. Piezoelectric transducer is used for measuring ________




39. Piezoelectric crystals _______




40. Piezoelectric crystals produce ________




41. When a compressive force is applied to a quartz crystal then ________




42. In kitchen applications a piezoelectric crystal is used for _____




43. A piezoelectric transducer has a _____




44. A piezoelectric transducer is used as an ignition source for a cigarette.




45. Microphone converts light into heat.




46. A quartz crystal is _______




47. Optical radiations involve ______




48. Photoelectric transducers consist of _______




49. Photoconductive transducers produce output ______




50. Commonly used photoemissive material is _______