MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Hazardous Waste Management knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following parameters effect operating conditions of anaerobic treatment process? |
| A. | Influent quality |
| B. | Chemicals |
| C. | Hydrocarbon |
| D. | Sulphur |
| Answer» B. Chemicals | |
| 2. |
The treatability of the hazardous waste depends upon ________ content. |
| A. | Carbon |
| B. | Hydrocarbon |
| C. | Nitrate |
| D. | Sulphur |
| Answer» C. Nitrate | |
| 3. |
Anaerobic treatment is mediated through _______ |
| A. | Enzyme catalysis |
| B. | Enzyme |
| C. | Chemical |
| D. | Sulphur |
| Answer» B. Enzyme | |
| 4. |
The heat value in a digestion tank of an anaerobic process is _______ kJ/m3. |
| A. | 210 |
| B. | 220 |
| C. | 230 |
| D. | 240 |
| Answer» C. 230 | |
| 5. |
Anaerobic digestion is generally applied to BOD wastes above ________ ppm. |
| A. | 3000 |
| B. | 6000 |
| C. | 9000 |
| D. | 12000 |
| Answer» C. 9000 | |
| 6. |
Sodium and potassium ions cause strong inhibition above ________ ppm. |
| A. | 10 |
| B. | 100 |
| C. | 1000 |
| D. | 10000 |
| Answer» E. | |
| 7. |
Soluble ions of heavy metals are toxic above _______ ppm in industrial waste. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 8. |
The temperature range for anaerobic process is ________ and ______ degree Celsius. |
| A. | 10-20, 20-30 |
| B. | 32-37, 40-55 |
| C. | 10-40, 40-55 |
| D. | 10-50, 20-47 |
| Answer» C. 10-40, 40-55 | |
| 9. |
The gases produced from anaerobic degradation process are ________ and ________ |
| A. | Nitrogen, sulphur |
| B. | Acetate, nitrate |
| C. | Carbon, methane |
| D. | Methane, sulphur |
| Answer» D. Methane, sulphur | |