Which one of the following correct portrays flow area for the shell side in square pitch?

• A. <a href="https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13a.png"><img alt="The following diagram portrays flow area for the shell side in square pitch - option a" class="alignnone size-full wp-image-247002" height="372" sizes="(max-width: 373px) 100vw, 373px" src="https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13a.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13a.png 373w, https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13a-150x150.png 150w, https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13a-300x300.png 300w" width="373"/></a>
• B. <a href="https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13b.png"><img alt="The following diagram portrays flow area for the shell side in square pitch - option b" class="alignnone size-full wp-image-247003" height="382" sizes="(max-width: 371px) 100vw, 371px" src="https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13b.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13b.png 371w, https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13b-291x300.png 291w" width="371"/></a>
• C. <a href="https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13c.png"><img alt="The following diagram portrays flow area for the shell side in square pitch - option c" class="alignnone size-full wp-image-247004" height="369" sizes="(max-width: 372px) 100vw, 372px" src="https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13c.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13c.png 372w, https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13c-150x150.png 150w, https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13c-300x298.png 300w" width="372"/></a>
• D. <a href="https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13d.png"><img alt="The following diagram portrays flow area for the shell side in square pitch - option d" class="alignnone size-full wp-image-247005" height="375" sizes="(max-width: 372px) 100vw, 372px" src="https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13d.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13d.png 372w, https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13d-150x150.png 150w, https://www.sanfoundry.com/wp-content/uploads/2019/09/heat-transfer-operations-questions-answers-effective-diameter-shell-side-q13d-298x300.png 298w" width="372"/></a>