MCQOPTIONS
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MCQOPTIONS
This section includes 13 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 chemical or mechanical cleansing process called? |
| A. | Sterilization |
| B. | Disinfection |
| C. | Decontamination |
| D. | Sanitization |
| Answer» E. | |
| 2. |
______ is the process of elimination of most pathogenic micro-organisms. |
| A. | Pyrolysis |
| B. | Incineration |
| C. | Disinfection |
| D. | Sterilisation |
| Answer» D. Sterilisation | |
| 3. |
Which of the following means cannot be used for sterilisation? |
| A. | Physical |
| B. | Chemical |
| C. | Physiochemical |
| D. | Biological |
| Answer» E. | |
| 4. |
________ is the process where all the living micro-organisms, including bacterial spores are killed. |
| A. | Disinfection |
| B. | Sterilization |
| C. | Incineration |
| D. | Pyrolysis |
| Answer» C. Incineration | |
| 5. |
Which of the following is not a physical disinfection means? |
| A. | Heat |
| B. | Sound |
| C. | Metals |
| D. | UV |
| Answer» D. UV | |
| 6. |
Which of the following is not a chemical disinfectant? |
| A. | UV |
| B. | Ozone |
| C. | Chlorine |
| D. | Bromine |
| Answer» B. Ozone | |
| 7. |
Sterilization is a process related to disinfection |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
________ means the deactivation or killing of pathogens. |
| A. | Reduction |
| B. | Disinfection |
| C. | Oxidation |
| D. | Pyrolysis |
| Answer» C. Oxidation | |
| 9. |
The solution to pollution is _______ |
| A. | Reuse |
| B. | Dilution |
| C. | Detection |
| D. | Cleaning |
| Answer» C. Detection | |
| 10. |
Which year was the Safe Drinking Water Act passed? |
| A. | 1990 |
| B. | 1992 |
| C. | 1994 |
| D. | 1996 |
| Answer» E. | |
| 11. |
Surface water contains approximately 1,000 times more indicator organisms than domestic wastewater. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Which is the common indicator organism used in the evaluation of wastewater? |
| A. | Fecal coliform |
| B. | Total coliform |
| C. | E. coli |
| D. | Algae |
| Answer» B. Total coliform | |
| 13. |
Which is the common indicator organism used in the evaluation of drinking water? |
| A. | E. coli |
| B. | Fecal coliform |
| C. | Total coliform |
| D. | Algae |
| Answer» D. Algae | |