問題詳情

12. Extinguishing agent act by heat removing (cooling), smotheringand flame inhibition. Which of the followings has the function offlame inhibition ?
(A) Dry chemical powder.
(B) Foam.
(C) Carbon dioxide.
(D) Steam.

參考答案

答案:A
難度:困難0.28
統計:A(7),B(6),C(9),D(2),E(0)

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