MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
Which of the following is not used as a heating element in a Thermal conductivity detector? |
| A. | Platinum |
| B. | Gold |
| C. | Graphite |
| D. | Tungsten wire |
| Answer» D. Tungsten wire | |
| 2. |
In which of the following detectors, the carrier gas is excited by a radioactive source and the atoms of carrier gas are excited to a metastable state? |
| A. | Argon ionisation detector |
| B. | Thermionic emission detector |
| C. | Flame ionization detector |
| D. | Electron capture detector |
| Answer» B. Thermionic emission detector | |
| 3. |
Which of the following detectors has a non-volatile bead of rubidium silicate placed above the flame tip? |
| A. | Argon ionisation detector |
| B. | Thermionic emission detector |
| C. | Flame ionization detector |
| D. | Electron capture detector |
| Answer» C. Flame ionization detector | |
| 4. |
Thermionic emission detector used in gas chromatography is most sensitive to which of the following elements? |
| A. | Nitrogen |
| B. | Phosphorous |
| C. | Halogen |
| D. | Carbon |
| Answer» C. Halogen | |
| 5. |
Flame ionisation detector is also known as Katharometer. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which of the following is not an ideal characteristic of a detector used in gas chromatography? |
| A. | Linear response to the solutes |
| B. | Short response time |
| C. | High reliability |
| D. | Sensitive to the changes in the flow rate of a carrier gas |
| Answer» E. | |