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 1 of 10

1. The spreading coefficient S is determined using which formula?

A) S = T_c − T_s − T_i, and S should be greater than 0 B) S = T_s − T_c − T_i, and S should be greater than 0 C) S = T_c + T_s + T_i, and S should be less than 0 D) S = T_i − T_c − T_s, and S should equal 0

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