Question: Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m2 .k), when the insulation thickness is __________ mm.
[A].15
25
10
30
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.