PLEASE SOLVE FOR ONE SAMPLE Q$4$ : A heat transfer experiment in which convection and radiation phenomenon took place was carried out with the experiment system which specifications given below. The data obtained from the experimental system was given in a table. Determine;

a$)$ The overall heat transfer coefficients hc$,$ hr$,$

b$)$ The total heat transfer, Qt$.$

Experiments System specifications:

$*$Air using as a working fluid.

$*$Diamenter of cylindrical duct is $0\mathrm{.}012m.$

$*$Heated length is $0\mathrm{.}15m.$

Experimental Datas:

$\backslash$table$[[$G$4,,,,,],[$Sample$,V,$I,$Ua,T1,T2$