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This section includes 109 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
In what ratio 57 octane and 63 octane should be mixed to obtain 59 octane? |
| A. | 1:1 |
| B. | 2:1 |
| C. | 3:1 |
| D. | 4:1 |
| Answer» C. 3:1 | |
| 102. |
What is the final amount of fluid in the vessel if the system is in steady state? |
| A. | Same as the initial amount |
| B. | Twice the initial amount |
| C. | Zero |
| D. | None of the mentioned |
| Answer» B. Twice the initial amount | |
| 103. |
An unsteady-state system, with 6 liters as initial amount of water in the vessel, water flow in rate is 2 liters/ s and flow out rate is 4 liters/s, what will be the amount of water in the vessel after 1 second? |
| A. | 2 liters |
| B. | 4 liters |
| C. | 6 liters |
| D. | 8 liters |
| Answer» C. 6 liters | |
| 104. |
An unsteady-state system, with 10 liters as initial amount of water in the vessel, water flow in rate is 8 liters/ s and flow out rate is 5 liters/s, what will be the amount of water in the vessel after 10 seconds? |
| A. | 10 liters |
| B. | 20 liters |
| C. | 30 liters |
| D. | 40 liters |
| Answer» E. | |
| 105. |
The rate flow in and flow out in an unsteady state process are now increased by 10 Kg/s, which will be the change in accumulation? |
| A. | 0 |
| B. | 5 Kg/s |
| C. | 10 Kg/s |
| D. | 20 Kg/s |
| Answer» B. 5 Kg/s | |
| 106. |
A fluid enters a vessel at the rate of 10 liters/s, and leaves in two pathways one with 5 liters/s and other with 3 liters/s, then what type of flow it is? |
| A. | Steady-state |
| B. | Unsteady-state |
| C. | Cannot say |
| D. | None of the mentioned |
| Answer» C. Cannot say | |
| 107. |
A fluid enters a vessel at the rate of 10 liters/s, and leaves in two pathways one with 7 liters/s and other with 3 liters/s, then what type of flow it is? |
| A. | Steady-state |
| B. | Unsteady-state |
| C. | Cannot say |
| D. | None of the mentioned |
| Answer» B. Unsteady-state | |
| 108. |
A reaction occurs in a vessel such that its mass does not change but its temperature is increased, then the system is which of the following? |
| A. | Steady-state |
| B. | Unsteady-state |
| C. | Cannot say |
| D. | None of the mentioned |
| Answer» C. Cannot say | |
| 109. |
Which of the following remains constant in the steady state system? |
| A. | Mass |
| B. | Energy |
| C. | Momentum |
| D. | Density |
| Answer» B. Energy | |