A fin length l, protrudes from a surface held at temperature T0; it b – McqOptions

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1.	A fin length l, protrudes from a surface held at temperature T0; it being higher than the ambient temperature Ta. The heat dissipation from the free end of the fin is stated to be negligibly small. What is the temperature gradient (dT/dx)x=l at the tip of the fin?a) Zerob) (T0-Tl)/lc) h(T0-Ta)d) (Tl-Ta)/(T0-T
A.	Zero
B.	(T0-Tl)/l
C.	h(T0-Ta)
D.	(Tl-Ta)/(T0-Ta)
Answer» B. (T0-Tl)/l

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