AFF Exit Exam • Set 2 Question 29 of 30

A safety is provided on the CO2 discharge piping to prevent:

✓

Direct Answer

Option D: Over pressurization of the CO2 discharge piping

A safety relief device, often a bursting disc, is installed on CO2 discharge piping to prevent over-pressurization. In the event of an abnormal pressure build-up, it ruptures to release the CO2, protecting the piping system from damage or catastrophic failure, compliant with the FSS Code.

All Options

A

Rupture of cylinder due to temperature increase

B

Over pressurization of the space being flooded

C

Flooding of a space where personnel are present

D

Over pressurization of the CO2 discharge piping (Correct Answer)

Detailed Explanation & Context

A safety relief device, often a bursting disc, is installed on CO2 discharge piping to prevent over-pressurization. In the event of an abnormal pressure build-up, it ruptures to release the CO2, protecting the piping system from damage or catastrophic failure, compliant with the FSS Code.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Fire Fighting (AFF).

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Q1 Regarding deck and engine room operational protocols in Advanced Fire Fighting, what is the mandatory safety standard required under STCW Code Table A-VI/2? Q2 What is the primary function of the emergency fire pump isolation valve located on the main deck? Q3 Under SOLAS regulations, what is the minimum water capacity for the emergency fire pump on cargo vessels? Q4 What type of fixed fire extinguishing system is required for paint lockers having a deck area greater than 4 m²? Q5 What pre-release protocol must be completed before discharging CO2 into an engine room space? Q6 What is the principal extinguishing mechanism of High-Expansion Foam when applied to machinery space bilges? Q7 What is the maximum allowable pressure drop before an SCBA compressed air cylinder must be recharged? Q8 What is the function of the International Shore Connection fitted on shipboard fire mains? Q9 What is the primary objective of boundary cooling during a shipboard compartment fire? Q10 Under SOLAS Chapter II-2, how many firefighter outfits must be carried on cargo ships of 500 GT and above?