MCQOPTIONS
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MCQOPTIONS
This section includes 15 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. |
Presence of sodium sulphate in water causes corrosion in boilers. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Cleaning process gives accuracy and long life. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
In which part of the apparatus is the reference and ion selective electrodes placed? |
| A. | Head tank |
| B. | Flow cell |
| C. | Reservoir |
| D. | Solenoid valve |
| Answer» C. Reservoir | |
| 4. |
Sodium selective electrode provides a good response in measurement when the pH is above which of the following values? |
| A. | 2 |
| B. | 3 |
| C. | 5 |
| D. | 10 |
| Answer» E. | |
| 5. |
Which of the following represent the concentration of a solution? |
| A. | Only free ions |
| B. | Only bound ions |
| C. | Free ions and bound ions |
| D. | Either free ions or bound ions |
| Answer» D. Either free ions or bound ions | |
| 6. |
PRESENCE_OF_SODIUM_SULPHATE_IN_WATER_CAUSES_CORROSION_IN_BOILERS.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Cleaning process gives accuracy and long life? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
The output of the electrode in sodium analyser is proportional to which of the following parameters? |
| A. | Activity |
| B. | Concentration |
| C. | Negative logarithm of sodium ion concentration |
| D. | Logarithm of sodium ion concentration |
| Answer» E. | |
| 9. |
In which part of the apparatus are the reference and ion selective electrodes placed? |
| A. | Head tank |
| B. | Flow cell |
| C. | Reservoir |
| D. | Solenoid valve |
| Answer» C. Reservoir | |
| 10. |
Which of the following are used to free bound ions or liberate bound ions? |
| A. | Colouring agents |
| B. | Ammonia Buffer |
| C. | Reagents |
| D. | Iodine solution |
| Answer» D. Iodine solution | |
| 11. |
Sodium selective electrode provides good response in measurement when the pH is above which of the following values? |
| A. | 2 |
| B. | 3 |
| C. | 5 |
| D. | 10 |
| Answer» E. | |
| 12. |
Which of the following represent concentration of a solution? |
| A. | Only free ions |
| B. | Only bound ions |
| C. | Free ions and bound ions |
| D. | Either free ions or bound ions |
| Answer» D. Either free ions or bound ions | |
| 13. |
Normally, electrodes measure which of the following parameters? |
| A. | Activity |
| B. | Activity co-efficient |
| C. | Blank constant |
| D. | Ionic co-efficient |
| Answer» B. Activity co-efficient | |
| 14. |
Which of the following are added for pH adjustment in sodium analyser? |
| A. | Acidic solution |
| B. | Basic solution |
| C. | Hydrazine |
| D. | Ammonia buffer |
| Answer» E. | |
| 15. |
Which of the following indicate leakages in a condenser? |
| A. | Concentration of sodium in steam and condensate are very high |
| B. | Concentration of sodium in steam and condensate are very low |
| C. | Concentration of sodium in steam and condensate are equal |
| D. | Concentration of sodium in steam and condensate are not equal |
| Answer» E. | |