

MCQOPTIONS
Saved Bookmarks
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Process Calculation knowledge and support exam preparation. Choose a topic below to get started.
1. |
A mass of 20 Kg mol is cooled from 200 K to 100 K and the change in internal energy is 400 KJ. What is the heat capacity at constant volume? |
A. | 100 J/(Degree Celsius)(Kg mole) |
B. | 200 J/(Degree Celsius)(Kg mole) |
C. | 300 J/(Degree Celsius)(Kg mole) |
D. | 400 J/(Degree Celsius)(Kg mol |
E. | 200 J/(Degree Celsius)(Kg mole)c) 300 J/(Degree Celsius)(Kg mole)d) 400 J/(Degree Celsius)(Kg mole) |
Answer» C. 300 J/(Degree Celsius)(Kg mole) | |
2. |
Internal energy is a |
A. | Path variable |
B. | State variable |
C. | Neither path nor a state variable |
D. | None of the mentioned |
Answer» C. Neither path nor a state variable | |
3. |
A_MASS_OF_20_KG_MOL_IS_COOLED_FROM_200_K_TO_100_K_AND_THE_CHANGE_IN_INTERNAL_ENERGY_IS_400_KJ._WHAT_IS_THE_HEAT_CAPACITY_AT_CONSTANT_VOLUME??$ |
A. | 100 J/(Degree Celsius)(Kg mole) |
B. | 200 J/(Degree Celsius)(Kg mole) |
C. | 300 J/(Degree Celsius)(Kg mole) |
D. | 400 J/(Degree Celsius)(Kg mole) |
Answer» C. 300 J/(Degree Celsius)(Kg mole) | |
4. |
Internal energy is ? |
A. | Path variable |
B. | State variable |
C. | Neither path nor a state variable |
D. | None of the mentioned |
Answer» C. Neither path nor a state variable | |
5. |
Which one is true for internal energy? |
A. | It is sum of all forms of energies associated with molecules of a system |
B. | It is a state function of a system |
C. | It is proportional to transnational K.E of the molecules |
D. | All of the mentioned |
Answer» E. | |
6. |
What is the change in internal energy when 10 kg mol of Oxygen is heated from 200 K to 400 K at constant volume (Cv = 4000 J/(Degree Celsius)(Kg.mole))? |
A. | 2 MJ |
B. | 4 MJ |
C. | 6 MJ |
D. | 8 MJ |
Answer» E. | |
7. |
Absolute values of internal energies ________ calculated. |
A. | can be |
B. | can not be |
C. | may be |
D. | may not be |
Answer» B. can not be | |
8. |
Cv is the change in internal energy at constant _______________ |
A. | Pressure |
B. | Temperature |
C. | Volume |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
9. |
Internal energy is the function of |
A. | Temperature and Pressure |
B. | Temperature and Volume |
C. | Pressure and Volume |
D. | None of the mentioned |
Answer» C. Pressure and Volume | |
10. |
Specific internal energy is a path variable. The statement is |
A. | True |
B. | False |
C. | Always true |
D. | None of the mentioned |
Answer» C. Always true | |
11. |
_________ represents a microscopic account of all the molecular, atomic, and subatomic energies. |
A. | Potential energy |
B. | Kinetic energy |
C. | Internal energy |
D. | None of the mentioned |
Answer» D. None of the mentioned | |