With reference to the treatment of domestic water for potable use:
(a) Describe the principle of operation of a steriliser that uses silver ions (4)
(b) State the advantages of silver ion sterilisation over other methods (2)
(c) State the inspections and maintenance that should be carried out on EACH of the following:
(i) Fresh water tanks (2)
(ii) Calorifiers (2)
10 marks
Oct 2024, Jul 2020
Cooling system & FWG
UKM Tuticorin 
Leave a comment