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 5 of 10

5. The foam making nozzle used for the expansion ratio test, when tested with water, should have a flow rate of:

A) 11.4 l/min at a nozzle pressure of 3 ± 0.3 bar B) 14.1 l/min at a nozzle pressure of 6.3 ± 0.3 bar C) 11.4 l/min at a nozzle pressure of 6.3 ± 0.5 bar D) 11.4 l/min at a nozzle pressure of 6.3 ± 0.3 bar

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