TFS · Practice Exam 1 · Problem 34PDFSolution in PDF ↓
TFS · Practice Exam 1 · Problem 34
Problem & Solution
Video Synthesis
- Problem: A 50-foot length of hot water piping with 1 inch OD runs uninsulated through an open basement.
- Approach: So unlike the previous two equations that were asking us for heat loss per unit area, this one is just asking for a total heat loss.
- Key values: 1 in
- Reference: reference handbook
- ✅ Answer: C
Office Hours
1
Student questions asked in live office hours about this problem
OH 117 · March 30, 2026
Q: For TFS Practice Exam I Problem 34 (combined convection and radiation heat transfer), is a calculated total heat loss of 5524 correct, or does the discrepancy with the solution video indicate an error?
A: The value of 5524 is correct and aligns with the accurate written solution of 5525. The discrepancy stems from a writing error in the solution video, where Dan incorrectly wrote 512425 instead of 5525. The written PDF solution should be used as the authoritative reference in cases of misalignment with the video.