BECC MOD 3 TEST Questions and answers, VERIFIED.

BECC MOD 3 TEST Questions and answers, VERIFIED. What is the fourth requirement needed in the fire tetrahedron for flames to exist? A. Uninhibited chain reaction B. Uniterm-1nhibited chemical reaction C. Combustion D. Smoke - -B. Uninhibited chemical reaction Normal oxygen content in a atmosphere is ....... %. A. 19.5 to 22 B. 19 to 21 C. 17 to 18 13.5 to 17 - -A. 19.5 to 22 A deep fat fryer fire is classified as a ...... fire. A. Alpha B. Bravo C. Charlie D.Delta - -B. Bravo Potassium Bicarbonate Powder (PKP) ...... A. breaks the combustion chain. B. provides a cooling effect. C. provides a smothering effect. D. is non corrosive. - -A. breaks the combustion chain. The primary extinguishing agent for a class "B" fire is ...... A. high velocity fog. B. AFFF. C. CO 2. D. PKP. - -B. AFFF.