MCQOPTIONS
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This section includes 5 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 range of charge present on bentonite? |
| A. | t20-30 meq/gram |
| B. | t30-40 meq/gram |
| C. | t40-60 meq/gram |
| D. | t70-90 meq/gram |
| Answer» E. | |
| 2. |
Organo clays are manufactured by modifying _____with quaternary amines. |
| A. | tNitrogen |
| B. | tBentonite |
| C. | tPotassium |
| D. | tSodium |
| Answer» C. tPotassium | |
| 3. |
Surfactants and finely divided solids _____the stability of the emulsion. |
| A. | tIncrease |
| B. | tDecease |
| C. | tNeutralize |
| D. | tNullify |
| Answer» B. tDecease | |
| 4. |
An emulsion is a _____ system. |
| A. | tHomogenous |
| B. | tHeterogenous |
| C. | tNatural |
| D. | tOxidized |
| Answer» C. tNatural | |
| 5. |
_________ act as a coupling agent between oil oil/water phases. |
| A. | tOil |
| B. | tWater |
| C. | tEmulsifier |
| D. | tDisinfectants |
| Answer» D. tDisinfectants | |