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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 | |