Exam Question
Write short notes on following:
(a) Flammability diagram and its significance (10)
(b) Risk assessment: why and how it is carried out on ships with examples (10)
Class 4 (4th Engineer)
SSEP
📅 Dec 2024
Reference Answer
### (a) Flammability Diagram and its Significance
A **Flammability Diagram** is a graphical representation used to depict the flammability limits of a mixture of fuel, oxidizer (oxygen), and an inert gas (e.g., nitrogen or carbon dioxide) under specific conditions of temperature and pressure. It is an indispensable tool in understanding and controlling fire and explosion hazards, particularly on board ships carrying flammable cargoes or operating machinery with flammable liquids.
**Construction and Components:**
The diagram is typically an equilateral triangle or a triangular region within a larger graph, with each vertex representing 100% of one component:
A **Flammability Diagram** is a graphical representation used to depict the flammability limits of a mixture of fuel, oxidizer (oxygen), and an inert gas (e.g., nitrogen or carbon dioxide) under specific conditions of temperature and pressure. It is an indispensable tool in understanding and controlling fire and explosion hazards, particularly on board ships carrying flammable cargoes or operating machinery with flammable liquids.
**Construction and Components:**
The diagram is typically an equilateral triangle or a triangular region within a larger graph, with each vertex representing 100% of one component:
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