 
			 
			MCQOPTIONS
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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. | |