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"/>