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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. |
According to the equation of state, the Boyle temperature is |
A. | 2.56*Tc |
B. | 2.50*Tc |
C. | 2.52*Tc |
D. | 2.54*Tc |
Answer» E. | |
2. |
For the inversion curve, Joule-Kelvin coefficient is unity. |
A. | true |
B. | false |
Answer» C. | |
3. |
On a Z-p compressibility factor chart as p approaches zero, the slope of the isotherm should be ____ at lower temperatures and ____ at higher temperatures. |
A. | positive, negative |
B. | negative, positive |
C. | negative, negative |
D. | positive, positive |
Answer» C. negative, negative | |
4. |
On a Z-p compressibility factor chart as p approaches zero, at the Boyle temperature the slope of the isotherm is |
A. | zero |
B. | unity |
C. | negative |
D. | positive |
Answer» B. unity | |
5. |
When does the compressibility factor take the value 1? |
A. | for an ideal gas |
B. | when pressure approaches zero |
C. | when temperature approaches infinity |
D. | all of the mentioned |
Answer» E. | |
6. |
When does an equation of state reduces to the ideal gas equation? |
A. | when the pressure approaches zero |
B. | when the temperature approaches infinity |
C. | both of the mentioned |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
7. |
The changes in properties like T,p and v |
A. | depend on the path taken |
B. | are independent of path |
C. | depends on the property to be evaluated |
D. | none of the mentioned |
Answer» C. depends on the property to be evaluated | |
8. |
An equation of state can also be used to calculate internal energy, enthalpy and entropy. |
A. | true |
B. | false |
Answer» B. false | |