34 Met L-x And Lith X Extinguishers

Question 1

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

Answer 1

D

Question 2

The Fdny currently has how many class D extinguishers?

Answer 2

Two they have slightly different capabilities available for use. They are the met lx and the lith X

Question 3

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

Answer 3

Yellow

Question 4

The ___ Extinguishers are superior I’m very hot burning metal fire such as lithium

Answer 4

Lith x

Question 5

______ extinguisher is superior to adhering to hot vertical surfaces

Answer 5

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

Question 6

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?

Answer 6

No yellow label on the lith x

meth turns teeth yellow. Adheres you’re metal better

Question 7

Optimum distance to start extinguishment is approximately___ From the burning material which is well within the range of these extinguishers

Answer 7

10 ft

Question 8

Discharge time approximately___. Coverage up to ___square feet at a ___thickness

Answer 8

30 seconds.

3 sq ft at a 1” thickness

Question 9

T/F

Temperature restrictions are -40 to 120°F

Answer 9

T

Question 10

T/F

The extinguishers to be maintained up right

Answer 10

T

The extinguisher will not function properly if it is held in a horizontal or inverted position while being used

Question 11

What should be held by the member strongest hand?

Answer 11

The nozzle

Question 12

Direct the powder at the___

Answer 12

Base of the material burning.

Question 13

It is important that overhaul of the hazard is delayed until the fuel has cooled. This may take up to___

Answer 13

30 mins

Question 14

One met l x and one lith x Handheld extinguishers have an issue to the following units;

Answer 14

Haz Mat
Rescue
Hmtu’s
Squad
Soc support ladders
Purple k units

Question 15

The met ld and the lith x Shall be inspected when?

Answer 15

Weekly and after each use.

Question 16

Inspection shall include:

Answer 16

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

Question 17

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?

Answer 17

Hazmat operations for replacement. Field unit shall not refill expanded extinguishers