Home / Questions / A long 18cmdiameter bar made of hardwood

A long 18cmdiameter bar made of hardwood

A long 18-cm-diameter bar made of hardwood (k = 0.159 W/m·K, α = 1.75 × 10-7 m2 /s) is exposed to air at 30°C with a heat transfer coefficient of 8.83 W/m2 ·K. If the center temperature of the bar is measured to be 15°C after a period of 3-hours, the initial temperature of the bar is

(a) 11.9°C

(b) 4.9°C

(c) 1.7°C

(d) 0°C

(e) 29.2°C

Jul 20 2020 Read more Less More

Answer (Solved)

question Subscribe To Get Solution

Recent Questions

Chat Now

Welcome to Live Chat

Welcome to MyCourseHelp Services, World's leading Academic solutions provider with Millions of Happy Students.

Please fill in the form