Question

a. Coal gas
c. Carbon dioxide
Which of the following method can be used to extinguish a flame?
a. Reduce temperature to below ignition temperature
b. Remove combustible substance
c. Cut off air supply
d. All of them
Which of the following is not a primary fuel?
Mood​

Answer 1

Answer:

carbon dioxide is not a primary fuel and Method answer is all of them

Answer 2

c. Remove combustible subatance

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