Exam Question
(a) What are the hazards associated with batteries? (6)
(b) What safety precautions are to be taken while operating and maintaining the batteries including in battery room. (10)
Class 4 (4th Engineer)
MET
📅 May 2023
Reference Answer
### (a) Hazards Associated with Batteries (6 Marks)
Batteries, particularly large banks used on ships, present several significant hazards that must be managed through robust safety protocols. These hazards stem from their chemical, electrical, and physical properties.
1. **Chemical Hazards (Corrosion and Burns)**:
* **Electrolyte Spillage**: Batteries contain highly corrosive electrolytes. In lead-acid batteries, this is Sulphuric Acid (H₂SO₄), and in alkaline batteries (e.g., Ni-Cd), it is Potassium Hydroxide (KOH).
Batteries, particularly large banks used on ships, present several significant hazards that must be managed through robust safety protocols. These hazards stem from their chemical, electrical, and physical properties.
1. **Chemical Hazards (Corrosion and Burns)**:
* **Electrolyte Spillage**: Batteries contain highly corrosive electrolytes. In lead-acid batteries, this is Sulphuric Acid (H₂SO₄), and in alkaline batteries (e.g., Ni-Cd), it is Potassium Hydroxide (KOH).
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