MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Thermodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
All spontaneous processes terminate at the dead state. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 2. |
When the system is in equilibrium with the surroundings, it must be in |
| A. | pressure equilibrium |
| B. | temperature equilibrium |
| C. | chemical equilibrium |
| D. | all of the mentioned |
| Answer» E. | |
| 3. |
When a system changes its state towards that of surroundings, the opportunity to produce more work |
| A. | increases |
| B. | decreases |
| C. | remains constant |
| D. | none of the mentioned |
| Answer» C. remains constant | |
| 4. |
WHEN_THE_SYSTEM_IS_IN_EQUILIBRIUM_WITH_THE_SURROUNDINGS,_IT_MUST_BE_IN?$ |
| A. | pressure equilibrium |
| B. | temperature equilibrium |
| C. | chemical equilibrium |
| D. | all of the mentioned |
| Answer» E. | |
| 5. |
All_spontaneous_processes_terminate_at_the_dead_state.$ |
| A. | true |
| B. | false |
| Answer» B. false | |
| 6. |
When a system changes its state towards that of surroundings, the opportunity to produce more wor? |
| A. | increases |
| B. | decreases |
| C. | remains constant |
| D. | none of the mentioned |
| Answer» C. remains constant | |
| 7. |
When a system exchanges heat with a thermal energy reservoir at temperature Tr in addition to the atmosphere, the maximum useful work increases by |
| A. | dQ(1+Tr/To) |
| B. | dQ(1-Tr/To) |
| C. | dQ(1+To/Tr) |
| D. | dQ(1-To/Tr) |
| Answer» E. | |
| 8. |
When the system is in equilibrium with the surroundings, this state of the system is known as dead state. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 9. |
When a system exchanges heat with a thermal energy reservoir in addition to the atmosphere, the maximum useful work |
| A. | increases |
| B. | decreases |
| C. | remains constant |
| D. | none of the mentioned |
| Answer» B. decreases | |
| 10. |
Availability function for a closed system is given by |
| A. | U-pV+TS |
| B. | U+pV+TS |
| C. | U-pV-TS |
| D. | U+pV-TS |
| Answer» E. | |
| 11. |
In a steady flow system, which of the following does not change? |
| A. | mass |
| B. | volume |
| C. | both of the mentioned |
| D. | none of the mentioned |
| Answer» C. both of the mentioned | |
| 12. |
Useful work is given by |
| A. | actual work + p(V2-V1) |
| B. | actual work – p(V2-V1) |
| C. | actual work + p(V2+V1) |
| D. | none of the mentioned |
| Answer» C. actual work + p(V2+V1) | |