MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If the boiling point of pure water is 100℃ and the mole fraction is 0.4, then find the boiling point elevation from the given curve. |
| A. | 92 ℃ |
| B. | 102 ℃ |
| C. | 12 ℃ |
| D. | 52 ℃ |
| Answer» B. 102 ℃ | |
| 2. |
Determine the Boiling point of solution if the mole fraction is 0.2 and pure water boiling point is 100℃. |
| A. | 110℃ |
| B. | 112℃ |
| C. | 100℃ |
| D. | 95℃ |
| Answer» C. 100℃ | |
| 3. |
If the concentration of the solution increases, the Lines shift __________ |
| A. | To the left |
| B. | To the right |
| C. | Downwards |
| D. | Upwards |
| Answer» E. | |
| 4. |
The slope of the Duhring’s Plot is always ______ |
| A. | Greater than one |
| B. | Greater than 2 |
| C. | Less than 1 |
| D. | Less than zero |
| Answer» B. Greater than 2 | |
| 5. |
For Duhring’s plot to be valid and to see its applicability to an operation, we must check if the solution in feed follows __________ |
| A. | Henry’s Law |
| B. | Roults law |
| C. | Avogadro’s Law |
| D. | Gas Laws |
| Answer» C. Avogadro’s Law | |
| 6. |
For Duhring’s Plot to be valid, the range of boiling points must be relatively ________ |
| A. | Narrow |
| B. | Large |
| C. | Very big |
| D. | Negligibly small |
| Answer» B. Large | |
| 7. |
What are the names of the axes in the plot by Duhring? |
| A. | X –Concentration of solution, Y- Boiling Point of solution |
| B. | X –Boiling Point of pure water, Y- Boiling Point of solution |
| C. | X –Boiling Point of Solution, Y- Concentration of solution |
| D. | X –Boiling Point of solution, Y- Boiling Point of pure water |
| Answer» C. X –Boiling Point of Solution, Y- Concentration of solution | |
| 8. |
The Duhring’s rule states that: The boiling point of a given solution is a _____ function of the boiling point of water at the same temperature. |
| A. | Linear |
| B. | Parabolic |
| C. | Exponential |
| D. | Quadratic |
| Answer» B. Parabolic | |
| 9. |
The Duhring’s rule is used to determine _______ |
| A. | Osmotic pressure |
| B. | Surface tension |
| C. | Boiling point elevation |
| D. | Vapour pressure depression |
| Answer» D. Vapour pressure depression | |