MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Thermodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
When two equilibrium states are infinitesimally near, |
| A. | dQ/T=dS |
| B. | dQ/T>dS |
| C. | dQ/T<dS |
| D. | none of the mentioned |
| Answer» B. dQ/T>dS | |
| 2. |
For the general case, we can write |
| A. | S2-S1<=dQ/T for a path |
| B. | S2-S1>=dQ/T for a path |
| C. | S2-S1≠dQ/T for a path |
| D. | none of the mentioned |
| Answer» C. S2-S1≠dQ/T for a path | |
| 3. |
For two different paths between same two points, entropy change is |
| A. | depends on path taken |
| B. | different |
| C. | same |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 4. |
FOR_THE_GENERAL_CASE,_WE_CAN_WRITE?$ |
| A. | S2-S1<=dQ/T for a path |
| B. | S2-S1>=dQ/T for a path |
| C. | S2-S1≠dQ/T for a path |
| D. | none of the mentioned |
| Answer» C. S2-S1‚Äö√Ñ√∂‚àö¬¢‚Äö√тĆdQ/T for a path | |
| 5. |
When two equilibrium states are infinitesimally near,$ |
| A. | dQ/T=dS |
| B. | dQ/T>dS |
| C. | dQ/T<dS |
| D. | none of the mentioned |
| Answer» B. dQ/T>dS | |
| 6. |
For two different paths between same two points, entropy change i? |
| A. | depends on path taken |
| B. | different |
| C. | same |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 7. |
For an irreversible process, |
| A. | dS=dQ/T |
| B. | dS>dQ/T |
| C. | dS<dQ/T |
| D. | none of the mentioned |
| Answer» C. dS<dQ/T | |
| 8. |
For a reversible process, |
| A. | dS=dQ/T |
| B. | dS>dQ/T |
| C. | dS<dQ/T |
| D. | none of the mentioned |
| Answer» B. dS>dQ/T | |
| 9. |
For any process which is undergone by a system |
| A. | dQ/T>=ds |
| B. | dQ/T<=ds |
| C. | dQ/T≠ds |
| D. | none of the mentioned |
| Answer» C. dQ/T‚Äö√Ñ√∂‚àö¬¢‚Äö√тĆds | |
| 10. |
Specific entropy is given by( where m is the mass) |
| A. | Sm |
| B. | m/S |
| C. | S/m |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 11. |
Entropy is a |
| A. | path function, intensive property |
| B. | path function, extensive property |
| C. | point function, intensive property |
| D. | point function, extensive property |
| Answer» E. | |
| 12. |
Integral of dQ/T of a reversible path is given by |
| A. | Si-Sf |
| B. | Sf-Si |
| C. | Si+Sf |
| D. | -Si-Sf |
| Answer» C. Si+Sf | |
| 13. |
Integral of dQ/T is independent of reversible path connecting between two points. |
| A. | true |
| B. | false |
| Answer» B. false | |