Which of the following correctly represents the exit age distribution of a CSTR?

• A. <img alt="Exit age distribution of a CSTR - option a" class="alignnone size-full wp-image-284204" height="330" sizes="(max-width: 430px) 100vw, 430px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-non-ideal-flow-basics-properties-c-f-e-curves-1-q5a.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-non-ideal-flow-basics-properties-c-f-e-curves-1-q5a.png 430w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-non-ideal-flow-basics-properties-c-f-e-curves-1-q5a-300x230.png 300w" width="430"/>
• B. <img alt="Exit age distribution of a CSTR - option b" class="alignnone size-full wp-image-284203" height="341" sizes="(max-width: 471px) 100vw, 471px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-non-ideal-flow-basics-properties-c-f-e-curves-1-q5b.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-non-ideal-flow-basics-properties-c-f-e-curves-1-q5b.png 471w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-non-ideal-flow-basics-properties-c-f-e-curves-1-q5b-300x217.png 300w" width="471"/>
• C. <img alt="Exit age distribution of a CSTR - option c" class="alignnone size-full wp-image-284202" height="338" sizes="(max-width: 424px) 100vw, 424px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-non-ideal-flow-basics-properties-c-f-e-curves-1-q5c.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-non-ideal-flow-basics-properties-c-f-e-curves-1-q5c.png 424w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-non-ideal-flow-basics-properties-c-f-e-curves-1-q5c-300x239.png 300w" width="424"/>
• D. <img alt="Exit age distribution of a CSTR - option d" class="alignnone size-full wp-image-284201" height="334" sizes="(max-width: 397px) 100vw, 397px" src="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-non-ideal-flow-basics-properties-c-f-e-curves-1-q5d.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-non-ideal-flow-basics-properties-c-f-e-curves-1-q5d.png 397w, https://www.sanfoundry.com/wp-content/uploads/2020/07/chemical-reaction-engineering-questions-answers-non-ideal-flow-basics-properties-c-f-e-curves-1-q5d-300x252.png 300w" width="397"/>