Q$2.$ Fe$-$C Phase diagram $($Part of the Iron$-$Carbon phase diagram is shown

c$)$ What is the $\%$wt content of eutectoid phase if the material is cooled slowly? $($please annotate the phase diagram to demonstrate your method of calculation$)$

d$)$ What will be composition of the steel if it is quenched rapidly after cooling to $740C?($Please annotate the phase diagram to demonstrate your method of calculation$)$

e$)$ What influences the hardness of the pearlite phase?