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Analytical Instrumentation MCQ Question Set 32

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1. Sound waves are similar to light waves in all aspects.




2. SONAR stands for _________




3. Which of the following type sound generators are not possible?




4. Mosaic regarding sonar is _____




5. All elements of sonar are driven electrically.




6. Piezo electric materials are well cut for _______




7. Which of the following can be used in sonar?




8. Magnetostriction transmitter uses _______




9. OTDR stands for __________




10. Which of the following is not correct for fibre optic sensors?




11. Fluoride glass is used with ______




12. Silica glass of hydroxyl concentration can be used for ___________ of wavelength.




13. General spectral range for silica glass is _______




14. Epoxy material in fibre optics is intended for ______




15. Plastics optical cables can be used for ______




16. Which of the following represents loss associated with glass fibres?




17. Loss associated with plastic fibre is less than glass fibres.




18. Cladding in glass fibre have high refractive index than the core.




19. Which of the following change electrical conductivity on the absorption of a gas molecule?




20. Polypropylene is a/an ______




21. ISE stands for _________




22. Glass electrode is an ion selective electrode.




23. Water purity is tested by ________




24. Heater power in thick film hybrid technology is _____




25. Chemiresistor sensors are used for test gases in _______




26. IR sensors are used in detection of _______




27. Photo ionization and flame ionization technique are most favoured in detection of ______




28. Mass sensors are a combination of SAW.




29. SAW stands for _______




30. Quartz can be used as bio sensors.




31. Direction of acoustic wave in QCM will be _______




32. Acoustic wave in QCM meets minimum impedance when thickness of device is ______




33. Which of the following is most preferred?




34. Magnetic bio sensor is wide used for _______




35. QCM stands for __________




36. Changes in resonant frequency of QCM is proportional to ________




37. BAW stands for ________




38. Non contacting type bio sensors are _______




39. Which of the following produce em radiation in ir region?




40. Energy of emitted radiation from a body increases with ________




41. Wavelength of peak radiation is represented by ________




42. At 1000C wavelength of radiation will be ________




43. Radiation thermometers are pyrometers.




44. Temperature sensor of silicon can detect wavelength of _______




45. Which of the following sensor have a large response time?




46. IR thermograph is also known as________




47. IR thermography is useful in the medical field.




48. Which of the following sensors provide higher temperature capacity?




49. AFM stands for ______




50. Phenomenon of producing sound under mechanical stress is called______