MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Thermodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The fact that internal energy of a mixture is equal to the sum of the partial internal energies of the gases can also be applied to properties like H,Cv,Cp,S,F, and G. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 2. |
When gases which are at equal pressure and temperature are mixed adiabatically without work, then |
| A. | internal energy of the gaseous system remains constant |
| B. | heat transfer of the gaseous system remains constant |
| C. | entropy of the gaseous system remains constant |
| D. | all of the mentioned |
| Answer» B. heat transfer of the gaseous system remains constant | |
| 3. |
The total entropy of a mixture of gases is the ____ of the partial entropies. |
| A. | average |
| B. | weighted mean |
| C. | sum |
| D. | difference of the highest and the lowest |
| Answer» D. difference of the highest and the lowest | |
| 4. |
A quantity called partial volume of a component of mixture is used. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 5. |
The gas constant of the mixture is the ____ of the gas constants of the components. |
| A. | average |
| B. | weighted mean |
| C. | sum |
| D. | difference of the highest and the lowest |
| Answer» C. sum | |
| 6. |
According to the Dalton’s law of partial pressures, the total pressure of a mixture of ideal gases is equal to the |
| A. | difference of the highest and lowest pressure |
| B. | product of the partial pressures |
| C. | sum of the partial pressures |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 7. |
The expression nRT/V is called the partial pressure of a gas. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 8. |
The expression which represents the pressure exerted by a gas is |
| A. | nVRT |
| B. | nRT/V |
| C. | V/nRT |
| D. | 1/nVRT |
| Answer» C. V/nRT | |