Purple "K" dry chem extinguisher Flashcards
Purple K has demonstrated a superior extinguishing capability in combating METHANOL fires. What else is purple K effective on?
Gasoline,diesel,& compressed gas fires
T.B. 1
What are some of the features of the hand held extinguisher?
Discharge range 19'-20' Discharge time- 11 seconds Coverage approx.- 30 sq. ft. Temperature restrictions- can be used between -40 & 120 degrees T.B. 2.2
When shall the extinguisher be inspected?
Beginning of each tour & thoroughly examined once a month.
T.B. 2.4
300 LB. dry chem wheeled units that are activated by a separate nitrogen cylinder are used extensively in industrial complexes thru-out NYC. What is the proper operation of these units?
Stretch entire amount of hose from unit,approx 100’.
charge unit by opening nitrogen valve
open nozzle until flow of dry chem is noted
close nozzle & move to pt. of operation.
the entire length of hose should be stretched to avoid binding of hose to the reel. T.B. 3.2
For a flammable liquid spill fire, a fire w/ obstacle, fire in depth, in depth w/ obstacle, a gravity fed fire, a 3d gravity fed fire, how shall you approach the fire?
Approach from the upwind side holding the nozzle at a 45 degree angle to the ground. Take a position at approx. 10-12’ from front edge of the fire area. T.B. 4.1,2,3,4,5,6