MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
CO analyzers based on infrared absorption would give greater sensitivity under which of the following conditions? |
| A. | With larger cell path lengths |
| B. | With smaller cell path lengths |
| C. | By changing the gases in the reference cell |
| D. | By increasing the sample flow rate |
| Answer» B. With smaller cell path lengths | |
| 2. |
Hydrogen flame ionization detector can be used to detect only the peak of CO and not methane. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Non-dispersive infrared analyzer depends on the characteristic absorption of the CO molecule at a wavelength of __________ |
| A. | 5.4 µm |
| B. | 4.6 µm |
| C. | 8.9 µm |
| D. | 10.8 µm |
| Answer» C. 8.9 µm | |
| 4. |
CO_ANALYZERS_BASED_ON_INFRARED_ABSORPTION_WOULD_GIVE_GREATER_SENSITIVITY_UNDER_WHICH_OF_THE_FOLLOWING_CONDITIONS??$ |
| A. | With larger cell path lengths |
| B. | With smaller cell path lengths |
| C. | By changing the gases in the reference cell |
| D. | By increasing the sample flow rate |
| Answer» B. With smaller cell path lengths | |
| 5. |
HYDROGEN_FLAME_IONIZATION_DETECTOR_CAN_BE_USED_TO_DETECT_ONLY_THE_PEAK_OF_CO_AND_NOT_METHANE.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which of the following is not a component of the mixture present in the reference cell of Non-dispersive infrared analyzer? |
| A. | CO |
| B. | Nitrogen |
| C. | Water vapour |
| D. | Hydrogen |
| Answer» E. | |
| 7. |
A stripper column used in gas chromatography, can be used to retain which of the following when an air sample is passed through it? |
| A. | CO |
| B. | Methane |
| C. | Light hydrocarbons |
| D. | Heavy hydrocarbons |
| Answer» E. | |
| 8. |
The disadvantage of Non-dispersive infrared analyzer is that the effect of flow rate is large. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
The zero of the scale is calibrated using which of the following as the sample? |
| A. | Air |
| B. | Water |
| C. | Inert gas |
| D. | Pure nitrogen |
| Answer» E. | |
| 10. |
Non-dispersive infrared analyzer depends on the characteristic absorption of CO molecule at a wavelength of __________ |
| A. | 5.4 µm |
| B. | 4.6 µm |
| C. | 8.9 µm |
| D. | 10.8 µm |
| Answer» C. 8.9 ¬¨¬®¬¨¬µm | |
| 11. |
Which of the following are not the characteristics of Non-dispersive infrared analyzer method? |
| A. | Easy to maintain |
| B. | High response speed |
| C. | Effect of interfering components is high |
| D. | High sensitivity |
| Answer» D. High sensitivity | |
| 12. |
Which of the following is the full scale range of Gas chromatography method used for measurement of carbon monoxide? |
| A. | 0-200 ppm |
| B. | 0-500 ppm |
| C. | 0-1 ppm |
| D. | 0-50 ppm |
| Answer» B. 0-500 ppm | |
| 13. |
Which of the following is the full scale range of Infrared spectroscopy method used for measurement of carbon monoxide? |
| A. | 0-2 ppm |
| B. | 0-500 ppm |
| C. | 0-1 ppm |
| D. | 0-50 ppm |
| Answer» E. | |