(Solved): QUESTION 1 (5 marks) - Cement \& concrete general knowledge Question 1.1 Figure 1 shows the trans ...

QUESTION 1 (5 marks) - Cement \& concrete general knowledge Question 1.1 Figure 1 shows the transformations occurring in the cement kiln when burning the raw material to manufacture the clinker. Please label the fields (a) to (g). (1 marks) rigure 1: i ranstormations occurring in the cement Kiln when burning the raw material to manufacture the clinker Question 1.2 Why is it crucial to cool down the clinker very quickly? (1 marks) Question 1.3 While grinding the clinker, what is the mandatory component added? Why? (1 marks) Question 1.4 Table 1 shows the partial composition of two Portland cements. Estimate which one (i.e. either \( \mathrm{A} \) or \( \mathrm{B} \) ) would provide the highest standard mortar strength one day after batching, justify your response. (1 marks) Question \( 1.5 \) The 28 days characteristic compressive strength of concrete is \( 32 \mathrm{MPa} \) with a \( 2.5 \% \) defective rate. What does this mean? (1 marks)