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Analytical Instrumentation MCQ Question Set 31

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1. Which of the following can be cause for non-zero output when zero input?




2. Sensitivity of a sensor can be depicted by ________




3. Which of the following error is caused by a reversal of measured property?




4. Smallest change which a sensor can detect is _______




5. Thermocouple generate output voltage according to ______




6. Sensor is a type of transducer.




7. Which of the following is not an analog sensor?




8. Measured property have no relation with error.




9. Semiconductor used in sensors will be _______




10. A semiconductor can act as _________




11. Which of the following represent permalloy?




12. Permalloy are most suitable for __________




13. Silicon and germanium can act as piezo resistive materials.




14. Which of the following act as magneto-resistive material?




15. In piezo junction diode, energy domain will be _______




16. PVDF stands for ________




17. Pyro electric coefficient of PVDF will be ______




18. Amorphous materials will be ______




19. _________ handle mathematical operations necessary to deliver the output signal.




20. Which of the following is not a configuration of a smart sensor?




21. A/D conversion is not needed in the smart sensor.




22. Input signal to smart sensor is fed from _______




23. Storage of data possible in smart sensors.




24. Signal conditioning is carried out in _________




25. Output of smart sensors will of _________




26. Which of the following defines smartness of sensor?




27. Input data of smart sensor will be ________




28. Which of the following represents network bus?




29. MEM stands for ______




30. Which of the following represents the inverse transducer of a microphone?




31. Which of the following provides high thermal stability as bimorph?




32. Gyroscopes are _____




33. Polymer thick film can act as a sensing element.




34. Which of the following is not a polymer matrix?




35. Which of the following is not a conductive paste?




36. Polymers can act as humidity sensors.




37. PZT stands for _____




38. Which of the following is not a piezo electric sensor?




39. Which of the following is not a part of electro magnetic radiation?




40. Which of the following represents IR wavelength?




41. Infra red radiation sources may be ______




42. Every hot body emits IR radiation.




43. Tungsten filament lamp is a _________




44. Which of the following is correct for non-thermal source?




45. LED and laser emit radiation in ________




46. Sensing element in IR thermal detector will be ________




47. Which of the following is the correct relationship for sensitivity?




48. Sensitivity can represent in terms of the lumen.




49. Basically sound waves are ________




50. Which of the following is not a character of a sensor of a sound wave?