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

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 8 of 10

8. In calculating the expansion E from the vessel volume V and the masses W₁ and W₂, what assumption is made?

A) That the density of the foam solution is 0.9584 B) That the density of the foam solution is 1 C) That the density of the foam is 707.5 kg/m³ D) That the mass of the empty vessel is negligible

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