MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
For an isolated system, internal energy |
| A. | Can change |
| B. | Can`t Change |
| C. | May change |
| D. | None of the mentioned |
| Answer» C. May change | |
| 2. |
Specific internal energy is internal energy per unit ________ of the system. |
| A. | Mass |
| B. | Mole |
| C. | Volume |
| D. | None of the mentioned |
| Answer» B. Mole | |
| 3. |
2 Kg of steam that contains an internal energy of 20 J/Kg, if 50 J of heat is supplied to the system, what is the resultant internal energy of the system? |
| A. | 45 J/Kg |
| B. | 40 J/Kg |
| C. | 35 J/Kg |
| D. | 20 J/Kg |
| Answer» B. 40 J/Kg | |
| 4. |
25 J of heat is supplied to a system and work done by the system is 10 J. What is the change in internal energy of the system? |
| A. | 10 J |
| B. | 15 J |
| C. | 25 J |
| D. | 35 J |
| Answer» C. 25 J | |
| 5. |
FOR_AN_ISOLATED_SYSTEM,_INTERNAL_ENERGY?$ |
| A. | Can change |
| B. | Can`t Change |
| C. | May change |
| D. | None of the mentioned |
| Answer» C. May change | |
| 6. |
SPECIFIC_INTERNAL_ENERGY_IS_INTERNAL_ENERGY_PER_UNIT__________OF_THE_SYSTEM.?$ |
| A. | Mass |
| B. | Mole |
| C. | Volume |
| D. | None of the mentioned |
| Answer» B. Mole | |
| 7. |
For_an_isolated_system,_internal_energy$ |
| A. | Can change |
| B. | Can`t Change |
| C. | May change |
| D. | None of the mentioned |
| Answer» C. May change | |
| 8. |
Specific internal energy is internal energy per unit ________ of the system? |
| A. | Mass |
| B. | Mole |
| C. | Volume |
| D. | None of the mentioned |
| Answer» B. Mole | |
| 9. |
1 Kg of steam that contains an internal energy of 10 J/Kg, if 10 J of heat is supplied to the system, what is the resultant internal energy of the system? |
| A. | 10 J/ Kg |
| B. | 20 J/Kg |
| C. | 30 J/Kg |
| D. | 40 J/Kg |
| Answer» C. 30 J/Kg | |
| 10. |
A system does a work of 15 J and the change in internal energy of the system is 10 J, what is the heat supplied to the system? |
| A. | – 15 J |
| B. | 15 J |
| C. | – 25 J |
| D. | 25 J |
| Answer» E. | |
| 11. |
20 J of heat is supplied to a system and change in internal energy of the system is 10 J. If 2 J of heat is taken out then how much was work done on the system? |
| A. | -2 J |
| B. | -4 J |
| C. | -6 J |
| D. | -8 J |
| Answer» E. | |
| 12. |
If work done on a system is 20 J and a heat of 15 J is taken out, what is the change in internal energy of the system? |
| A. | 5 J |
| B. | 10 J |
| C. | 20 J |
| D. | 30 J |
| Answer» B. 10 J | |
| 13. |
25 J of heat is supplied to a system and work done by the system is 15 J. What is the change in internal energy of the system? |
| A. | 10 J |
| B. | 20 J |
| C. | 25 J |
| D. | 35 J |
| Answer» B. 20 J | |
| 14. |
20 J of heat is supplied to the system and work done on the system is 15 J. What is the change in internal energy of the system? |
| A. | 15 J |
| B. | 20 J |
| C. | 25 J |
| D. | 35 J |
| Answer» E. | |