Question 248Safety & Environmental - QMED

The correct answer is D) All of the above. The key principles for effectively fighting a fire on the open deck of a vessel using a dry chemical fire extinguisher are: 1) Move the discharge stream back and forth in a rapid sweeping motion to cover the entire fire area. 2) Approach the fire from the windward side to direct the extinguishing agent towards the base of the fire. 3) Direct the extinguisher discharge at the base of the fire, where the fuel source is located, to smother and extinguish the flames. Following all of these best practices together is the most effective method for using a dry chemical extinguisher to fight an open deck fire on a vessel. The other individual options are also correct, but applying them all in combination provides the greatest chance of quickly and safely extinguishing the fire.