MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
In dissolved oxygen analyser, normally more than one condenser is used. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Oxygen content can be controlled by adding which of the following materials with water? |
| A. | Acidic solution |
| B. | Basic solution |
| C. | Iodine |
| D. | Hydrazine |
| Answer» E. | |
| 3. |
The dissolved oxygen analyser is based on which of the following meters? |
| A. | Amperometer |
| B. | Katharometer |
| C. | pH meter |
| D. | Voltmeter |
| Answer» C. pH meter | |
| 4. |
In dissolved oxygen analyser, the electrometer consists of which of the following solutions? |
| A. | Calcium hydroxide solution |
| B. | Magnesium hydroxide solution |
| C. | Potassium hydroxide solution |
| D. | Calcium oxide solution |
| Answer» D. Calcium oxide solution | |
| 5. |
Which of the following bridges are used in dissolved oxygen analyser? |
| A. | Kelvin s bridge |
| B. | Wheatstone bridge |
| C. | Schering s bridge |
| D. | Anderson s bridge |
| Answer» C. Schering s bridge | |
| 6. |
Which of the following section plays a major role in maintaining the accuracy of the dissolved oxygen analyser? |
| A. | Analysing section |
| B. | Inlet section |
| C. | Transmitting section |
| D. | Condensing section |
| Answer» D. Condensing section | |
| 7. |
Which of the following is the function of the throttling device? |
| A. | Filtering |
| B. | Maintains pH of a water |
| C. | Purifies water |
| D. | Maintains constant flow rate |
| Answer» E. | |
| 8. |
The water to be analysed flows into the condenser through which of the following components? |
| A. | Filter |
| B. | Semi-permeable membrane |
| C. | Throttling device |
| D. | Platinum filament |
| Answer» D. Platinum filament | |
| 9. |
How does solubility of oxygen in water change with respect to temperature? |
| A. | It decreases with increase in temperature |
| B. | It increases with increase in temperature |
| C. | It decreases with decrease in temperature |
| D. | It does not depend on temperature |
| Answer» B. It increases with increase in temperature | |
| 10. |
Which of the following transducers must be used for dissolved oxygen analyser? |
| A. | Potentiometric |
| B. | Polarographic |
| C. | Ion-selective electrode |
| D. | Optical transducer |
| Answer» C. Ion-selective electrode | |