MSC.1/Circ.1312 – Foam Concentrates for Fixed Fire-Extinguishing Systems – Set C

Source: MSC.1/Circular.1312 – Revised Guidelines for the Performance and Testing Criteria, and Surveys of Foam Concentrates for Fixed Fire-Extinguishing Systems (10 June 2009), Annex.
Reference: imorules.com – MSC.1/Circ.1312

Question 2 of 10

2. In the freezing and thawing test the freezing chamber should be set to a temperature which is:

A) 10ºC below the freezing point of the sample B) 5ºC below the freezing point of the sample C) 10ºC below the ambient temperature D) 20ºC below the freezing point of the sample

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