Q1. With reference to the treatment of water for auxiliary boilers:
(a) State the major risks from
i) Hard water. (3)
ii) soft water. (3)
(b) Describe FIVE types of boiler water tests that are carried out on board stating the reason for EACH. (5)
(c) State why regular blow down and make up of the contents of a boiler is essential. (5)
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