MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The total hardness of the potable water should be less than ___________ |
| A. | 500 ppm |
| B. | 700 ppm |
| C. | 900 ppm |
| D. | 1000 ppm |
| Answer» B. 700 ppm | |
| 2. |
The pH for the potable water should be in the range of ___________ |
| A. | 5-6 |
| B. | 7-8.5 |
| C. | 9-10 |
| D. | 12-13 |
| Answer» C. 9-10 | |
| 3. |
The process of reverse osmosis is also known as ___________ |
| A. | Hyper-filtration |
| B. | Double-filtration |
| C. | Double-osmosis |
| D. | Hyper-osmosis |
| Answer» B. Double-filtration | |
| 4. |
The pressure which is applied to separate the water from its contaminants is of the order ___________ |
| A. | 5-10 kg/cm<sup>2</sup> |
| B. | 15-40 kg/cm<sup>2</sup> |
| C. | 50-100 kg/cm<sup>2</sup> |
| D. | 100-150 kg/cm<sup>2</sup> |
| Answer» C. 50-100 kg/cm<sup>2</sup> | |
| 5. |
The basis of reverse osmosis is _____________ |
| A. | Osmotic pressure is greater than the hydrostatic pressure |
| B. | Osmotic pressure is equal to the hydrostatic pressure |
| C. | Hydrostatic pressure is greater than the osmotic pressure |
| D. | Osmotic pressure does not exist |
| Answer» D. Osmotic pressure does not exist | |