34 Met L-x And Lith X Extinguishers Flashcards
The most effective way to extinguish a combustible metal fire is with the use of a class___
Extinguisher because it absorbs heat and smothers the flames cutting off oxygen
D
The Fdny currently has how many class D extinguishers?
Two they have slightly different capabilities available for use. They are the met lx and the lith X
Met l x handheld extinguisher can be identified by the___ label affixed to the extinguisher which states Met l x for class d fires only
Yellow
The ___ Extinguishers are superior I’m very hot burning metal fire such as lithium
Lith x
______ extinguisher is superior to adhering to hot vertical surfaces
Met l x. Lith x effectiveness on vertical surfaces is diminished. Lith x does not adhere to metal surfaces so it is necessary to cover the burning metal completely
Lith x handheld extinguisher can be identified by the label affixed to the extinguisher which states lith x. Will lith x extinguishers have a yellow identification label as found on the met l x?
No yellow label on the lith x
meth turns teeth yellow. Adheres you’re metal better
Optimum distance to start extinguishment is approximately___ From the burning material which is well within the range of these extinguishers
10 ft
Discharge time approximately___. Coverage up to ___square feet at a ___thickness
30 seconds.
3 sq ft at a 1” thickness
T/F
Temperature restrictions are -40 to 120°F
T
T/F
The extinguishers to be maintained up right
T
The extinguisher will not function properly if it is held in a horizontal or inverted position while being used
What should be held by the member strongest hand?
The nozzle
Direct the powder at the___
Base of the material burning.
It is important that overhaul of the hazard is delayed until the fuel has cooled. This may take up to___
30 mins
One met l x and one lith x Handheld extinguishers have an issue to the following units;
Haz Mat Rescue Hmtu’s Squad Soc support ladders Purple k units
The met ld and the lith x Shall be inspected when?
Weekly and after each use.
Inspection shall include:
Ensure the extinguisher is in its designated place and there’s accessible for immediate use.
Examine the CO2 cartridge to ensure it has not been punctured
Any signs of physical damage, corrosion or other impairments.
Examine hose to ensure it is intact
Anytime though met mx or lith x
Extinguishers have been use that an incident or a defect is discovered during inspection, the company officer shall attach an RT to and forward it to?
Hazmat operations for replacement. Field unit shall not refill expanded extinguishers
