$5.$ The following data is given for a $3600$ journal bearing :

Radial load of $3\mathrm{.}2$ kN $,$ Journal speed of $\backslash (1490\backslash$mathrm$\{$r$\}.\backslash$mathrm$\{$p$\}.\backslash$mathrm$\{$m$\}\backslash ),$ journal diameter of $50$ mm $,$ bearing length of $50$ mm $,$ radial clearance of $0\mathrm{.}05$ mm $,$ viscosity of $25$ cP $,$density of lubricant $\backslash (860\backslash$mathrm$\{$~kg$\}/\backslash$mathrm$\{$m$\}3\backslash ),$ Specific heat of lubricant $1\mathrm{.}76\backslash (\backslash$mathrm$\{$kJ$\}/\backslash$mathrm$\{$kg$\}0\backslash$mathrm$\{$CCalculate$\}\backslash )$ for the given conditions:

a$.$ Coefficient of friction.

b$.$ Power loss owing to friction.

c$.$ Minimal film thickness

d$.$ Flow requirement of oil in litres $/$ minute

e$.$ Temperature rise in the bearing.