Question 2
(a) Define the following in relation to cold water distribution.
(i) water mains;
(ii) rising main;
(iii) communication pipe;
(iv) service pipe.
(b) Sketch the direct water cylinder and label four of its parts.
.
Observation
Majority of the candidates were able to define the following in relation to cold water distribution.
(i) water mains;
(ii) rising main;
(iii) communication pipe;
(iv) service pipe.
However, some of candidates were unable to sketch the direct hot water cylinder and label four of its parts.
The expected response to question 2 (b) is as given below:
2. (b) SKETCH OF DIRECT HOT WATER CYLINDER AND LABELLING OF FOUR PARTS:
