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This section includes 10 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. |
What is the surface area of the gel resin? |
A. | t0.01m<sup>2</sup>/gm |
B. | t0.5 m<sup>2</sup>/gm |
C. | t1-2m<sup>2</sup>/gm |
D. | t2-4 m<sup>2</sup>/gm |
Answer» B. t0.5 m<sup>2</sup>/gm | |
2. |
What is the specific gravity of anion resin? |
A. | t1.05-1.115 |
B. | t4.4-7.3 |
C. | t1.15-1.23 |
D. | t1.23-1.56 |
Answer» B. t4.4-7.3 | |
3. |
What is the uniform coefficient of resin? |
A. | tRatio of 40% retained to ratio of 90% retained |
B. | tRatio of 40% retained to ratio of 70% retained |
C. | tRatio of 40% retained to ratio of 80% retained |
D. | tRatio of 30% retained to ratio of 90% retained |
Answer» B. tRatio of 40% retained to ratio of 70% retained | |
4. |
Which of these is not a characteristic for coarse particle sized resins? |
A. | tPoor rate of exchange |
B. | tMore attrition loss |
C. | tLow pressure drop |
D. | tGood backwash expansion |
Answer» E. | |
5. |
For which type of pollutant contained in water the macro porous type of weak basic acid is used? |
A. | tOrganic contaminant |
B. | tInorganic contaminant |
C. | tHeavy metals |
D. | tMonochromic ions |
Answer» B. tInorganic contaminant | |
6. |
Which type of character does the strong basic acid type II have? |
A. | tHigh basicity |
B. | tLow basicity |
C. | tHigh boiling point |
D. | tLow boiling point |
Answer» C. tHigh boiling point | |
7. |
Which type of character does the strong basic acid type I have? |
A. | tHigh basicity |
B. | tLow basicity |
C. | tHigh boiling point |
D. | tLow boiling point |
Answer» B. tLow basicity | |
8. |
What is the WAC resin made up of? |
A. | tPolyacrylic acid |
B. | tPolyacrylic acid with a carboxylic acid functional group |
C. | tAcrylic acid with a carboxylic acid functional group |
D. | tAcrylic acid |
Answer» C. tAcrylic acid with a carboxylic acid functional group | |
9. |
In a SAC resin, what is the preferred cross linking? |
A. | t6-8% |
B. | t8-10% |
C. | t10-12% |
D. | t12-14% |
Answer» B. t8-10% | |
10. |
What is the SAC resin made up of? |
A. | tStyrene and vinyl benzene |
B. | tDivinyl benzene |
C. | tBenzene and styrene |
D. | tStyrene and divinyl benzene |
Answer» E. | |