Q.
(a) With the aid of diagrams, explain how clean water is being treated before being distributed to consumers. (10 marks)
(b) With the aid of diagrams, explain the indirect cold water system for a two storey building. (15 marks)
(25 marks, 2015 Q1)
A
(a) Water treatment for consumption
Similar question was asked in
(b)
This question always come out in past years, as shown in link below.
2011 Q5a
2012 Q4b
2013 Q2b
2014 Q5a
2015 Q1b (This question)
Ref: