MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
Luft detector cell which uses gas as detection mechanism is not vibration sensitive. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which of the following is not the characteristics of Indium arsenide photovoltaic detector used in infrared analyzers for hydrocarbons? |
| A. | It operates at ambient temperature |
| B. | Has maximum detectivity at 3.4 m |
| C. | Sensitivity increases at longer wavelength |
| D. | It has no response to radiation of wavelength greater than 4 m |
| Answer» D. It has no response to radiation of wavelength greater than 4 m | |
| 3. |
In calibration of CO2 analyser, in order to establish zero calibration which of the following is used as sample? |
| A. | Oxygen |
| B. | Hydrogen |
| C. | Inert gases |
| D. | Nitrogen |
| Answer» D. Nitrogen | |
| 4. |
Which of the following is used as detector in improved infrared analyzer used for gas analysis? |
| A. | PbSe |
| B. | MgCl<sub>2</sub> |
| C. | ZnCl |
| D. | CuCl<sub>2</sub> |
| Answer» B. MgCl<sub>2</sub> | |
| 5. |
Which of the following is the chopping frequency used for medical applications in simple infrared analyser for gas analysis? |
| A. | 2-10 Hz |
| B. | 2-50 Hz |
| C. | 2-100 Hz |
| D. | 2-150 Hz |
| Answer» C. 2-100 Hz | |