MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer Operations Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the liquid phase enthalpy of mixture of water and ethanol if the mixture composition on 35% and the temperature of mixture is 87℃? |
| A. | 70 Kcal/kg |
| B. | 80 Kcal/kg |
| C. | 100 Kcal/kg |
| D. | 90 Kcal/kg |
| Answer» E. | |
| 2. |
What is the vapour phase enthalpy of mixture of water and ethanol if the mixture composition on 35% and the temperature of mixture is 87℃? |
| A. | 352 Kcal/kg |
| B. | 302 Kcal/kg |
| C. | 392 Kcal/kg |
| D. | 405 Kcal/kg |
| Answer» D. 405 Kcal/kg | |
| 3. |
What is the enthalpy of mixture of water and ethanol if the mixture composition on 35% and the temperature of mixture is 87℃? |
| A. | 300 Kcal/kg |
| B. | 200 Kcal/kg |
| C. | 250 Kcal/kg |
| D. | 210 Kcal/kg |
| Answer» C. 250 Kcal/kg | |
| 4. |
What is the azeotropic concentration according to the given enthalpy concentration diagram? |
| A. | 95% ethanol |
| B. | 90% ethanol |
| C. | 99% ethanol |
| D. | 5% ethanol |
| Answer» B. 90% ethanol | |
| 5. |
What is the Liquid phase composition if the isothermal temperature is 87℃ and the mixture composition is 30%? |
| A. | 64% ethanol |
| B. | 74% ethanol |
| C. | 54% ethanol |
| D. | 18% ethanol |
| Answer» E. | |
| 6. |
What is the vapour phase composition if the isothermal temperature is 87℃ and the mixture composition is 30%? |
| A. | 44% ethanol |
| B. | 74% ethanol |
| C. | 64% ethanol |
| D. | 18% ethanol |
| Answer» D. 18% ethanol | |
| 7. |
With increasing the temperature of the isothermal line, the isothermal lines shift towards___________ in an enthalpy concentration diagram. |
| A. | Greater Concentration |
| B. | Lesser Concentration |
| C. | Upwards |
| D. | Downwards |
| Answer» C. Upwards | |