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Analytical Instrumentation MCQ Question Set 33

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1. Which of the following causes acoustic emission in machineries?




2. Acoustic emission signals will be of the form ______




3. By placing sensor nearer to AE, SNR _______




4. PVDF inultrasonic scanning technique can be used at temperature _________




5. Thickness of PVDF film will be_________




6. Copolymer of PVDF has lower temperature capacity than PVDF.




7. PVDF is _______________ material.




8. SNR is signal to noise ratio.




9. Which of the following is used as a display device to produce a permanent record of data?




10. Resting potential has a magnitude of________




11. Which of the following represents action potential?




12. Signals generated by body signal is known as ________




13. Resting potential is always negative.




14. Which of the following shows resting potential?




15. Which of the following represents re polarisation in action potential wave?




16. Process of changing resting potential to action potential is known as _______




17. Action potential is varying over the cell.




18. Which of the following have higher action potential propagation rate?




19. CT stands for _______




20. Who invented Tomography?




21. Which of the following is used in tomography?




22. ECT stands for ______




23. Which of the following is not possible?




24. How many conductors are used in ERT?




25. EMT is working on the basis of ________




26. Fibre optic tomography is used in particle size _________




27. Attenuation rate may vary in fibre optic tomography.




28. A femto farad is equal to ______




29. All bodies behave as source of ________




30. Which of the following represent a spectrum of frequency emission?




31. Spectrography doesn’t compute the energy of frequency spectrum.




32. Which of the following source is used for exciting bodies electrically?




33. Which of the following is more used core in spectrometer?




34. Which of the following represents emission spectra?




35. Every spectrograph requires dispersion.




36. Dispersion of radiation is carried out by _______




37. IR absorption pattern in absorption spectrography is known as______




38. Which of the following represents the fingerprint region?




39. Ozone layer is in earth layer ________




40. CFC causes ozone layer depletion.




41. Ozone depletion is higher at ________




42. Which of the following is not poisonous to humans?




43. Toxic gases such as H2S, nitrogen oxides causes ________




44. NPL stands for _______




45. VOC stands for _______




46. Which of the following represents the allowed rate of CO2?




47. Long path optical measurement uses _______




48. Long path optical measurement has a range of several kilometres.




49. Which of the following is correct for proximity sensors?




50. Which of the following person used the name robot first time in print?




51. Principles of cybernetics was developed by _______




52. Which of the following represents muscles of a robot?




53. ZMP stands for _______




54. L293D is a/an _______




55. ANN stands for ______




56. In ANN, neurons are represented by _______




57. In ANN, all PE’s are connected with feedback.




58. MLP is feed-forward network.




59. Ion-isoconcentration technique is used for determination of _______




60. Which of the following is immiscible in water?