MCQOPTIONS
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MCQOPTIONS
This section includes 20 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. |
The solar evaporation can yield about ___ kg of fresh water per day per m2 of basin surface. |
| A. | 5 |
| B. | 10 |
| C. | 15 |
| D. | 20 |
| Answer» B. 10 | |
| 2. |
The pressure freezing process works on the vacuum free vapor compression principle. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
In which desalination process, the cooling of sea water is done to obtain fresh water? |
| A. | Distillation |
| B. | Electro-dialysis |
| C. | Reverse osmosis |
| D. | Freezing |
| Answer» E. | |
| 4. |
The maximum salt concentration up to which desalination of brackish water is possible by Electro-dialysis is _____________ |
| A. | 1000ppm |
| B. | 2000ppm |
| C. | 3000ppm |
| D. | 5000ppm |
| Answer» E. | |
| 5. |
In Electro-dialysis, the electric energy which required is _____________ |
| A. | Directly proportional to cation permeable membrane |
| B. | Directly proportional to anion permeable membrane |
| C. | Directly proportional to salt concentration |
| D. | Inversely proportional to salt concentration |
| Answer» D. Inversely proportional to salt concentration | |
| 6. |
The process in which the brackish water is forced across a permeable membrane by mechanical forces is called as _____________ |
| A. | Filtration |
| B. | Semi filtration |
| C. | Coagulation |
| D. | Hyper filtration |
| Answer» E. | |
| 7. |
The number of stages involved in the desalination using a multistage flash evaporator is _________________ |
| A. | 20 |
| B. | 38 |
| C. | 49 |
| D. | 69 |
| Answer» E. | |
| 8. |
THE_MAXIMUM_SALT_CONCENTRATION_UP_TO_WHICH_DESALINATION_OF_BRACKISH_WATER_IS_POSSIBLE_BY_ELECTRO-DIALYSIS_IS?$ |
| A. | 1000ppm |
| B. | 2000ppm |
| C. | 3000ppm |
| D. | 5000ppm |
| Answer» E. | |
| 9. |
IN_ELECTRO-DIALYSIS,_THE_ELECTRIC_ENERGY_WHICH_REQUIRED_IS?$ |
| A. | Directly proportional to cation permeable membrane |
| B. | Directly proportional to anion permeable membrane |
| C. | Directly proportional to salt concentration |
| D. | Inversely proportional to salt concentration |
| Answer» D. Inversely proportional to salt concentration | |
| 10. |
In which desalination process, the cooling of sea water is done to obtain fresh water?$ |
| A. | Distillation |
| B. | Electro-dialysis |
| C. | Reverse osmosis |
| D. | Freezing |
| Answer» E. | |
| 11. |
The solar evaporation can yield about ___ kg of fresh water per day per m2 of basin surface. |
| A. | 5 |
| B. | 10 |
| C. | 15 |
| D. | 20 |
| Answer» B. 10 | |
| 12. |
In which desalination process, solar energy is used? |
| A. | Reverse osmosis |
| B. | Freezing |
| C. | Electro-dialysis |
| D. | Solar evaporation |
| Answer» E. | |
| 13. |
In which desalination process, the salt ions are removed from seawater by means of electric current? |
| A. | Distillation |
| B. | Electro-dialysis |
| C. | Reverse osmosis |
| D. | Freezing |
| Answer» C. Reverse osmosis | |
| 14. |
The process in which the brackish water is forced across a permeable membrane by mechanical forces is called as |
| A. | Filtration |
| B. | Semi filtration |
| C. | Coagulation |
| D. | Hyper filtration |
| Answer» E. | |
| 15. |
Which of the following desalination method is more suitable for brackish water than sea water? |
| A. | Distillation |
| B. | Solar evaporation |
| C. | Reverse osmosis |
| D. | Freezing |
| Answer» D. Freezing | |
| 16. |
The number of stages involved in the desalination using a multistage flash evaporator is |
| A. | 20 |
| B. | 38 |
| C. | 49 |
| D. | 69 |
| Answer» E. | |
| 17. |
Which of the following is the best evaporative desalinating method? |
| A. | Vertical tube evaporator |
| B. | Multistage flash evaporator |
| C. | Tube settler |
| D. | Multi-effect multistage flash evaporator |
| Answer» C. Tube settler | |
| 18. |
Multistage flash evaporator produces _____ kg of water per kg of prime steam. |
| A. | 5 |
| B. | 10 |
| C. | 15 |
| D. | 20 |
| Answer» E. | |
| 19. |
Which of the following is not a type of distillation plant? |
| A. | Vertical tube evaporator |
| B. | Multistage flash evaporator |
| C. | Tube settler |
| D. | Multi-effect multistage flash evaporator |
| Answer» D. Multi-effect multistage flash evaporator | |
| 20. |
Which of the following method is not used for desalination? |
| A. | Distillation |
| B. | Coagulation |
| C. | Reverse osmosis |
| D. | Freezing |
| Answer» B. Coagulation | |