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. |
For an ideal gas, |
| A. | volume expansivity = T and Joule-Kelvin coefficient = 0 |
| B. | volume expansivity = (1/T) and Joule-Kelvin coefficient = 1 |
| C. | volume expansivity = (1/T) and Joule-Kelvin coefficient = 0 |
| D. | volume expansivity = T and Joule-Kelvin coefficient = 1 |
| Answer» D. volume expansivity = T and Joule-Kelvin coefficient = 1 | |
| 2. |
Maximum temperature drop occurs if the initial state lies ____ the inversion curve. |
| A. | above |
| B. | on |
| C. | below |
| D. | all of the mentioned |
| Answer» C. below | |
| 3. |
For a gas being throttled, the change in temperature can be |
| A. | positive |
| B. | negative |
| C. | zero |
| D. | all of the mentioned |
| Answer» E. | |
| 4. |
MAXIMUM_TEMPERATURE_DROP_OCCURS_IF_THE_INITIAL_STATE_LIES______THE_INVERSION_CURVE.?$ |
| A. | above |
| B. | on |
| C. | below |
| D. | all of the mentioned |
| Answer» C. below | |
| 5. |
For_an_ideal_gas,$ |
| A. | volume expansivity = T and Joule-Kelvin coefficient = 0 |
| B. | volume expansivity = (1/T) and Joule-Kelvin coefficient = 1 |
| C. | volume expansivity = (1/T) and Joule-Kelvin coefficient = 0 |
| D. | volume expansivity = T and Joule-Kelvin coefficient = 1 |
| Answer» D. volume expansivity = T and Joule-Kelvin coefficient = 1 | |
| 6. |
For a gas being throttled, the change in temperature can b? |
| A. | positive |
| B. | negative |
| C. | zero |
| D. | all of the mentioned |
| Answer» E. | |
| 7. |
When an ideal gas is made to undergo a Joule-Kelvin expansion, i.e., throttling, there is no change in temperature. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 8. |
The region inside the inversion curve has ____ Joule-Kelvin coefficient and the region outside the inversion curve has ____ Joule-Kelvin coefficient. |
| A. | positive, positive |
| B. | negative, negative |
| C. | negative, positive |
| D. | positive, negative |
| Answer» E. | |
| 9. |
The locus of all points at which the Joule-Kelvin coefficient is ____ is the inversion curve. |
| A. | negative |
| B. | positive |
| C. | zero |
| D. | infinity |
| Answer» D. infinity | |
| 10. |
The curve passing through the ____ of the isenthalpes is called the inversion curve. |
| A. | minima |
| B. | maxima |
| C. | both of the mentioned |
| D. | none of the mentioned |
| Answer» C. both of the mentioned | |
| 11. |
A family of isenthalpes can be obtained for the gas. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 12. |
When a gas undergoes continuous throttling process by a valve and its pressure and temperature are plotted, then we get a |
| A. | isotherm |
| B. | isenthalpe |
| C. | adiabatic |
| D. | isobar |
| Answer» C. adiabatic | |