MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Analytical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The alternative method using laser does not analyse vapours by which of the following methods? |
| A. | Mass spectrometer |
| B. | Optical emission |
| C. | Absorption photometry |
| D. | X-ray photometry |
| Answer» E. | |
| 2. |
X-ray emission must be analysed against a background of _______ radiation. |
| A. | Blue |
| B. | Yellow |
| C. | White |
| D. | Green |
| Answer» D. Green | |
| 3. |
THE_ALTERNATIVE_METHOD_USING_LASER_DOES_NOT_ANALYSE_VAPOURS_BY_WHICH_OF_THE_FOLLOWING_METHODS??$ |
| A. | Mass spectrometer |
| B. | Optical emission |
| C. | Absorption photometry |
| D. | X-ray photometry |
| Answer» E. | |
| 4. |
Which of the following is the limit of detectability of electron microprobe analyser? |
| A. | 10-14 g |
| B. | 10-140 g |
| C. | 10-7 g |
| D. | 10-70 g |
| Answer» B. 10-140 g | |
| 5. |
X-ray emission must be analysed against a background of _______ radiation? |
| A. | Blue |
| B. | Yellow |
| C. | White |
| D. | Green |
| Answer» D. Green | |
| 6. |
Micro probe analyser cannot be used on inhomogeneous material. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Which of the following is the effective resolution limit in electron probe microanalyser? |
| A. | 1mm |
| B. | 10mm |
| C. | 100mm |
| D. | 1000mm |
| Answer» B. 10mm | |
| 8. |
Electron probe microanalyser is a method of destructive elemental analysis. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
The electrons are accelerated by voltages in which of the following ranges? |
| A. | 5 and 50kV |
| B. | 50 and 500kV |
| C. | 500 and 5000kV |
| D. | 25 and 250kV |
| Answer» B. 50 and 500kV | |
| 10. |
The specimen is mounted inside which of the following components? |
| A. | Test tube |
| B. | Glass capillary tube |
| C. | Vacuum column |
| D. | Curvette |
| Answer» D. Curvette | |
| 11. |
The electron optics consists of an electron gun followed by which of the following components? |
| A. | Collimator |
| B. | Slit |
| C. | Amplifier |
| D. | Electron beam probe |
| Answer» E. | |
| 12. |
Which of the following is not a type of optics employed in electron probe microanalyser? |
| A. | Electron optics |
| B. | Light optics |
| C. | X-ray optics |
| D. | Gamma optics |
| Answer» E. | |