MCQs on Instrumentation

Enhance your Knowledge of Instrumentation by taking this test.

Best of luck.

#1. Which one of the following is an ionization source for GC-MS:

#2. In XRF spectrometry, the excitation source is:

#3. Which of the following is not true in case of a radiation source?

#4. First systematic presentation of Neutron activation analysis method was made by:

#5. In gas chromatography technique, which of the following gases is not suitable?

#6. An instrument that measures the radiant power of two electromagnetic beams is called:

#7. NMR is a tool to investigate:

#8. Following instrument can view a particle under a microscope while at the same time a beam of light is directed at the particle in order to obtain its absorption spectrum:

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#9. The comparison of test and scene tool marks is usually performed using:

#10. Photomultiplier tube (PMT) is not suitable for detection of:

#11. ______ is used as neutron moderator in NAA in TRIGA reactor.

#12. ABI prism 310 genetic analyzers use POP-4 and POP-6 for capillary electrophoresis. POP stands for:

#13. Pyrolysis gas chromatography is useful technique for characterization of the following paint constituents:

#14. In SEM, the incident beam is focused by means of:

#15. The System for measurement of ion intensity in the GC-MS system consists of which one of the following?

#16. Which of the following is used to analyze for the presence of ‘Gun-Shot-Residue’?

#17. Salylation is used in:

#18. Basic requirements of a monochromator are:

#19. X-ray diffraction patterns are used for studying crystal structure of solids because:

#20. In which one of the following types of liquid chromatography, immobilized biochemical is used as a stationary phase?

#21. Within a monochrometer, the necessary collimation and focusing are performed by:

#22. In capillary electrophoresis, which flow causes the movement of electrolyte through the tube?

#23. Hollow Cathode Lamp (HCL) is used in the following:

#24. Which of the following is used as a detector in HPLC?

#25. HPLC was discovered by:

#26. The presence of two isotopes of Bromine i.e Br79 and Br81 can simply be detected in mass spectra when the peak intensities of their M and M+2 are in the ratio of:

#27. Following technique provides a unique fingerprint of a chemical structure:

#28. Which one of the following cannot be conserved during Raman Scattering?

#29. The solid absorbent used in modified clean –up method are:

#30. The following method is non-destructive technique for ink identification:

#31. Radioactivity of a substance can be measured by:

#32. Which of the following instrument is used to identify the organic drugs?

#33. X-ray spectra are quite simple because:

#34. Hot stage microscope is used in forensic examination of glass of measure:

#35. Which one of the following statements is true about the migration of biomolecules in electrophoresis?

#36. Bertrand lens is a part of the following microscope:

#37. ‘Stass-Otto’ process is used for:

#38. The major advantage of the SEM includes the following except:

#39. Which of the following can not be detected through radioimmunoassay?

#40. Optical components in UV spectrometer are made up of:

#41. Darker of the crossing lines appears to be uppermost whether it is or not. This phenomenon is known as:

#42. Micellar extraction of forensic analytes is carried out in the presence of:

#43. The image seen through a compound microscope is:

#44. Which of the following illumination cannot be used in stereomicroscope?

#45. IR spectra fail to distinguish:

#46. The ‘magic angle’ of NMR is at:

#47. Identify the correct order, in which various components of X-ray diffractometer are placed:

#48. Which of the following is not a part of the mechanical system of a compound microscope?

#49. Following column packing materials are available in HPLC:

#50. A carrier gas in GLC should have the following characteristics except:

#51. Exciter filter is a part of the following microscope:

#52. Which one of the following statements is NOT true about mass spectrometry?

#53. During gravimetric method of cement analysis, filtrate –D is used for calculation of:

#54. In paint examination, pyrolysis gas chromatography is useful for characterizing

#55. The following method is used for determining the age of an ink by tracking the degradation of certain dyes.

#56. Rocket Immuno-electrophoresis is also known as:

#57. In GC-MS, a process in which an inert gas is bubbled through the water is known as:

#58. Effusion separator which is used in GC-MS is basically:

#59. Which of the following techniques can be used in analysis of fibres?

#60. In a solid sample preparation technique in IR spectroscopy, the finely ground solid sample is mixed with mineral oil to make a thick paste which is then spread between IR transparent windows. What is the name of this solid sample preparation technique?

#61. Following detector in HPLC generates structural and molecular weight information about the eluted solute:

#62. Spin-spin coupling is observed in:

#63. Infrared spectra of paint sample without any preprocessing can be obtained by technique of:

#64. Radioactivity of a substance can be measured by:

#65. One of the options mentioned is not a step involved in PCR technique:

#66. Sodium-halide-bromide cell window are used in:

#67. Spherical aberration means:

#68. Which type of neutron is most suitable for NAA technique?

#69. Identification of nature of adulterants in cement sample can be carried out easily by:

#70. Electrode less Discharge Lamp (EDL) is used in:

#71. Half-life (T1/2) of archaeological objects can be determined by:

#72. MCT detector is used in:

#73. Vicat apparatus is used for analysis of cement to observe:

#74. In simple microscope if focal length of lens is 1 cm, then magnification power lies at

#75. The working of Polilight is based on ______.

#76. Mass Spectrometry requires the sample to be in:

#77. Neutron Activation Analysis detects the presence of following in G.S.R:

#78. Chromatography was first reported by:

#79. A current which will exist even if no light is falling on the UV-V is detectors is known as

#80. Typical LOD (ng/injection) value for Refractive Index detector in HPLC is:

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