Prop $3$: Coke analyzes as FollowsC $89\mathrm{.}5\%$ H $1\mathrm{.}1\%$Ash $9\mathrm{.}4\%$Required:The theratical max temp. of the flame whenThe Coke is burned:$($a$)$under theratical couds.$[$b$)$with $50\%$ exces air$($c$)$ with $10\%$ exces air $,$ The in preheatedto $1000$C