Mathematics · Heat Transfer
A very long rod (diameter = 25 mm, thermal conductivity = 400 W/m·K) extends from a surface maintained at a temperature of 125°C. The temperature of the surrounding air is 25°C, and the convective heat transfer coefficient over the rod is 9 W/m2·K. What will be the heat loss rate from the rod? [Assume π2 = 10]
- 124 W
- 212 W
- 330 W✓
- 448 W
Correct answer
30 W
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Heat Transfer?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Heat Transfer