Exam Question
(a) Describe an alkaline battery cell, listing the materials used in its manufacture. (6)
(b) With reference to alkaline batteries used on ships, state each of the following: (10)
(i) significance of the relative density reading of the electrolyte;
(ii) when the electrolyte would normally be renewed;
(iii) reasons why the voltage reading of this type of battery is not necessarily indicative of its condition;
(iv) the normal temperature range and safe temperature limit of battery;
(v) effects of high and low temperature.