

MCQOPTIONS
Saved Bookmarks
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 | |