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ETO ETO Exam papers 📅 Aug 2023

Exam Question

With reference to alkaline batteries used on board ship.

(a) Describe the operation of a battery cell and state the material used. (8)

(b) Describe how the cells are mounted to form a battery. (4)

(c) State the advantages and disadvantages compared with lead-acid batteries. (4)

Exam question diagram

Reference Answer

(a) The common form of alkaline cell is Nickel cadmium type.
In this type of battery,
Cathode: The positive electrode is made up of nickel oxyhydroxide (NiOOH)
Anode: Negative electrode is made of cadmium (CD)

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