MCQOPTIONS
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MCQOPTIONS
This section includes 854 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 851. |
Which of the following is the most suitable for extraction in a system having very low density difference ? |
| A. | Mixer-settler extractor |
| B. | Centrifugal extractor |
| C. | Pulsed extractor |
| D. | Packed extraction tower |
| Answer» C. Pulsed extractor | |
| 852. |
Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty ? |
| A. | Sieve plate column |
| B. | Bubble cap column |
| C. | Randomly packed column |
| D. | Wetted wall column |
| Answer» E. | |
| 853. |
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in |
| A. | greater degree of separation with a fixed number of trays |
| B. | increased reboiler load |
| C. | increased reflux ratio |
| D. | None of these. |
| Answer» D. None of these. | |
| 854. |
Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. |
| A. | chemical properties |
| B. | physical properties |
| C. | degree of turbulence |
| D. | interfacial area |
| Answer» B. physical properties | |