MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
_________ is concerned with the adsorption equilibria. |
| A. | Fick's law |
| B. | Gibb's equation |
| C. | Freundlich equation |
| D. | none of these |
| Answer» D. none of these | |
| 2. |
Air initially at 10 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a |
| A. | higher relative humidity |
| B. | higher dew point. |
| C. | higher absolute (specific) humidity. |
| D. | higher wet bulb temperature. |
| Answer» B. higher dew point. | |
| 3. |
Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the |
| A. | humid heat |
| B. | specific heat |
| C. | latent heat |
| D. | sensible heat |
| Answer» C. latent heat | |
| 4. |
At 750°K and 1 atm, the approximate value of Schmidt number for air is |
| A. | 0.1 |
| B. | 0.01 |
| C. | 1 |
| D. | 10 |
| Answer» B. 0.01 | |
| 5. |
The term ''cooling range'' in a cooling tower refers to the difference in the temperature of |
| A. | hot water entering the tower and the cooled water leaving the tower. |
| B. | cold water leaving the tower and the wet bulb temperature of the surrounding air. |
| C. | none of these |
| D. | hot water entering the tower and the wet bulb temperature of the surrounding air. |
| Answer» B. cold water leaving the tower and the wet bulb temperature of the surrounding air. | |