MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Normally, the ratio of ammonia and chlorine in chloramine is? |
| A. | 1:1 |
| B. | 1:2 |
| C. | 1:4.5 |
| D. | 1:3.5 |
| Answer» D. 1:3.5 | |
| 2. |
The process of chlorination with hypochlorites is called ___________ |
| A. | Super chlorination |
| B. | Pre chlorination |
| C. | Post chlorination |
| D. | Hypo-chlorination |
| Answer» E. | |
| 3. |
The permissible limit of free residual chlorine is ___________ |
| A. | 0.02ppm |
| B. | 0.2ppm |
| C. | 1ppm |
| D. | 2ppm |
| Answer» C. 1ppm | |
| 4. |
The chlorine, which serves as a disinfectant is ___________ |
| A. | Free chlorine |
| B. | Free Residual chlorine |
| C. | Chlorine demand |
| D. | Residual demand |
| Answer» C. Chlorine demand | |
| 5. |
Chlorine which gets consumed in the oxidation of impurities before disinfection is ______________ |
| A. | Free chlorine |
| B. | Residual chlorine |
| C. | Chlorine demand |
| D. | Residual demand |
| Answer» D. Residual demand | |