This question was extremely difficult for the candidates. They could not provide
the expected responses to the various parts of the question. The required
responses to the various parts are given below.
(a) (i & ii)
A hydrometer
(b) (i) 1.240 - Half charged
(i i) 1.098 - Discharged
(iii) 1.265 - Fully charged
(c) (i) The flammable gas is hydrogen.
(ii) The components are casing, terminals, separators, plates. fine caps and sediment traps or bridge