Extinguisher Method of Application

Question 1

Firefighters must use caution in fighting fuel fires and be prepared to back out well before the extinguisher contents are ______.

Answer 1

Exhausted

Question 2

Halon 1211, PKP, and CO2 are all rapidly dissipated and no vapor sealing property is developed, so the fuel is always subject to _______.

Answer 2

Reigniting

Question 3

Discharge should be contained for a short time after the flames are extinguished to prevent possible ________ and to cool any _______ sources in or near the fire.

Answer 3

Re-flash

Ignition