MCQOPTIONS
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This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Waste Water Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
_______IS_THE_NUMBER_OF_SITES_WHERE_EXCHANGE_ACTUALLY_TAKES_PLACE_DURING_ONE_CYCLE.?$ |
| A. | Total capacity |
| B. | Operating capacity |
| C. | Mean capacity |
| D. | Resin capacity |
| Answer» C. Mean capacity | |
| 2. |
Which of these is not a result of low moisture content?$ |
| A. | low total capacity |
| B. | difficult to regenerate |
| C. | no removal of big ions |
| D. | tendency to fouling |
| Answer» B. difficult to regenerate | |
| 3. |
Which_of_these_is_not_a_result_of_high_moisture_content?$ |
| A. | Fast exchange |
| B. | Good adsorption properties |
| C. | Low total capacity |
| D. | High total capacity |
| Answer» E. | |
| 4. |
Total capacity is the number of exchangeable bi-valent ions? |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
What is the percentage of resin sample that is considered for effective size? |
| A. | 10% |
| B. | 20% |
| C. | 30% |
| D. | 40% |
| Answer» B. 20% | |
| 6. |
What is the percentage of resin volume considered for the mean diameter? |
| A. | 20% |
| B. | 30% |
| C. | 40% |
| D. | 50% |
| Answer» E. | |
| 7. |
Mean diameter is also called as ______ |
| A. | Actual diameter |
| B. | Radius |
| C. | Median diameter |
| D. | Effective size |
| Answer» D. Effective size | |
| 8. |
______ is the value of the sieve opening through which exactly 50 % of the resin volume passes. |
| A. | Mean diameter |
| B. | Effective size |
| C. | Harmonic mean size |
| D. | Uniformity coefficient |
| Answer» B. Effective size | |
| 9. |
The number of active groups in a resin sample fluctuates. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
What is the percentage of swelling between the chlorine and the hydroxide forms? |
| A. | 10% |
| B. | 20% |
| C. | 30% |
| D. | 40% |
| Answer» D. 40% | |
| 11. |
Amberjet 4400 has a total capacity of ________ in the chlorine form. |
| A. | 0.5 eq/L |
| B. | 1 eq/L |
| C. | 1.5 eq/L |
| D. | 2 eq/L |
| Answer» D. 2 eq/L | |