MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
What is the work done for isobaric process (100 KPa)? |
| A. | 10 KJ |
| B. | 20 KJ |
| C. | 30 KJ |
| D. | 40 KJ |
| Answer» B. 20 KJ | |
| 2. |
8-10. An ideal gas is enclosed at 200 K and 100 KPa in a cylinder by a frictionless vessel and the gas slowly forces the piston so that the volume of gasexpands from 0.1 to 0.2 m3. |
| A. | n8. What is the number of moles(10^-3) of the gas? |
| B. | 2 |
| C. | 4 |
| D. | 6 |
| E. | 8 |
| Answer» D. 6 | |
| 3. |
In an irreversible process, there is |
| A. | gain of heat |
| B. | loss of heat |
| C. | no loss of heat |
| D. | None of these |
| Answer» C. no loss of heat | |
| 4. |
The intensive property of thermodynamics is |
| A. | Density |
| B. | Mass |
| C. | Energy |
| D. | Volume |
| Answer» B. Mass | |
| 5. |
For any irreversible process, the net entropy change is |
| A. | Positive |
| B. | zero |
| C. | negative |
| D. | infinite |
| Answer» B. zero | |
| 6. |
In constant volume thermodynamic process work done is |
| A. | Maximum |
| B. | Minimum |
| C. | Zero |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
_____________ is performed on a system when the fluid is pushed in to the system by the surrounding. |
| A. | Mechanical work |
| B. | Electrical work |
| C. | Shaft work |
| D. | Flow work |
| Answer» E. | |
| 8. |
When a shaft in the system turns a pump to pump water out of the system, the shaft work is |
| A. | Positive |
| B. | Negative |
| C. | Zero |
| D. | None of the mentioned |
| Answer» C. Zero | |
| 9. |
___________ occurs when a system causes a _______ to turn against an external mechanical resistance. |
| A. | Mechanical work, Mechanical |
| B. | Electrical work, Electrical |
| C. | Shaft work, Shaft |
| D. | Flow work, Flow |
| Answer» D. Flow work, Flow | |