MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Reaction Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The exit age distribution for the parallel arrangement of a PFR followed by a CSTR is ____ |
| A. | <img alt="The exit age distribution for parallel arrangement of a PFR followed by a CSTR - option a" class="alignnone size-full wp-image-284240" height="343" sizes="(max-width: 362px) 100vw, 362px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q10a.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q10a.png 362w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q10a-300x284.png 300w" width="362"/> |
| B. | <img alt="The exit age distribution for parallel arrangement of a PFR followed by a CSTR - option b" class="alignnone size-full wp-image-284229" height="348" sizes="(max-width: 357px) 100vw, 357px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1a.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1a.png 357w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1a-300x292.png 300w" width="357"/> |
| C. | <img alt="The exit age distribution for parallel arrangement of a PFR followed by a CSTR - option c" class="alignnone size-full wp-image-284227" height="347" sizes="(max-width: 361px) 100vw, 361px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1c.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1c.png 361w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1c-300x288.png 300w" width="361"/> |
| D. | <img alt="The exit age distribution for parallel arrangement of a PFR followed by a CSTR - option d" class="alignnone size-full wp-image-284233" height="351" sizes="(max-width: 364px) 100vw, 364px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5c.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5c.png 364w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5c-300x289.png 300w" width="364"/> |
| Answer» B. <img alt="The exit age distribution for parallel arrangement of a PFR followed by a CSTR - option b" class="alignnone size-full wp-image-284229" height="348" sizes="(max-width: 357px) 100vw, 357px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1a.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1a.png 357w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1a-300x292.png 300w" width="357"/> | |
| 2. |
The variance of a CSTR is ____ |
| A. | 1 |
| B. | 0 |
| C. | |
| D. | -1 |
| Answer» D. -1 | |
| 3. |
The variance of a PFR is ____ |
| A. | 1 |
| B. | 0 |
| C. | |
| D. | -1 |
| Answer» C. | |
| 4. |
For two PFRs P1 and P2 in parallel, the exit age distribution gives ____ |
| A. | A single peak at t = t<sub>p1</sub> |
| B. | A single peak at t = t<sub>p2</sub> |
| C. | Two peaks, one at t = t<sub>p1</sub> and the other at t = t<sub>p2</sub> |
| D. | A corner peak |
| Answer» D. A corner peak | |
| 5. |
State true or false.
|
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Which of the following represents the exit age distribution of PFR with recycle? |
| A. | <img alt="Exit age distribution of PFR with recycle - option a" class="alignnone size-full wp-image-284235" height="347" sizes="(max-width: 363px) 100vw, 363px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5a.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5a.png 363w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5a-300x287.png 300w" width="363"/> |
| B. | <img alt="Exit age distribution of PFR with recycle - option b" class="alignnone size-full wp-image-284234" height="347" sizes="(max-width: 366px) 100vw, 366px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5b.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5b.png 366w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5b-300x284.png 300w" width="366"/> |
| C. | <img alt="Exit age distribution of PFR with recycle - option c" class="alignnone size-full wp-image-284233" height="351" sizes="(max-width: 364px) 100vw, 364px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5c.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5c.png 364w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5c-300x289.png 300w" width="364"/> |
| D. | <img alt="Exit age distribution of PFR with recycle - option d" class="alignnone size-full wp-image-284232" height="340" sizes="(max-width: 356px) 100vw, 356px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5d.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5d.png 356w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5d-300x287.png 300w" width="356"/> |
| Answer» B. <img alt="Exit age distribution of PFR with recycle - option b" class="alignnone size-full wp-image-284234" height="347" sizes="(max-width: 366px) 100vw, 366px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5b.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5b.png 366w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q5b-300x284.png 300w" width="366"/> | |
| 7. |
If the entire volume of a PFR is 10 m3 and dead volume is 2 m3, then the active volume of the reactor is ____ |
| A. | 20 |
| B. | 5 |
| C. | 8 |
| D. | 12 |
| Answer» D. 12 | |
| 8. |
If the residence time obtained for a reactor by the RTD experiments is less than that expected, it indicates the presence of ____ |
| A. | CSTR |
| B. | PFR |
| C. | Bubbling bed reactor |
| D. | Dead volume |
| Answer» E. | |
| 9. |
State true or false.
|
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
If tp is the time spent in the PFR and tm is the time spent in the CSTR, then which is the plot of RTD for a PFR followed by CSTR? |
| A. | <img alt="Plot of RTD for a PFR followed by CSTR - option a" class="alignnone size-full wp-image-284229" height="348" sizes="(max-width: 357px) 100vw, 357px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1a.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1a.png 357w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1a-300x292.png 300w" width="357"/> |
| B. | <img alt="Plot of RTD for a PFR followed by CSTR - option b" class="alignnone size-full wp-image-284228" height="346" sizes="(max-width: 365px) 100vw, 365px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1b.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1b.png 365w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1b-300x284.png 300w" width="365"/> |
| C. | <img alt="Plot of RTD for a PFR followed by CSTR - option c" class="alignnone size-full wp-image-284227" height="347" sizes="(max-width: 361px) 100vw, 361px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1c.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1c.png 361w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1c-300x288.png 300w" width="361"/> |
| D. | <img alt="Plot of RTD for a PFR followed by CSTR - option d" class="alignnone size-full wp-image-284226" height="365" sizes="(max-width: 360px) 100vw, 360px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1d.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1d.png 360w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1d-296x300.png 296w" width="360"/> |
| Answer» B. <img alt="Plot of RTD for a PFR followed by CSTR - option b" class="alignnone size-full wp-image-284228" height="346" sizes="(max-width: 365px) 100vw, 365px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1b.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1b.png 365w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-multiple-choice-questions-answers-q1b-300x284.png 300w" width="365"/> | |