QUESTION TWO

During a slab casting, it was observed that evaporation loss of bleed water exceeds the rate of bleeding, hence cracks are observed on the surface of slab while it is still plastic. Based on this information, answer the following questions:

$3\mathrm{.}1$ What kind of cracking is described above?

$3\mathrm{.}2$ Write a short note on the above$-$mentioned cracking focusing of its uniqueness when compared to other cracks, distinctive description, and conditions that can aggravate the cracking tendencies.

$3\mathrm{.}3$ Explain in detail how this type of cracking can be minimised.

$[22$ marks$]$