QUESTIONS AND WELL VERIFIED ANSWERS
[ALREADY GRADED A+] 2025
50 ft. - ANS✔✔--OSHA specified maximum travel distance to an extinguisher for Class B
6 yrs - ANS✔✔--dry chem extinguishers requiring 12 yr hydrostatic test must be emptied for
maintenance procedures every
A rated UL extinguishers = how many gallons of water? - ANS✔✔--1.25
C - ANS✔✔--Class ____ fire extinguishers use electrically nonconductive extinguishing agents
Every 5 years - ANS✔✔--Cartridge operated water based portable extinguishers need hydrostatic
testing
stored pressure type extinguishers need need INTERNAL examination : - ANS✔✔--never
5 ft above the ground - ANS✔✔--extinguishers weighing 40 lbs or less must be installed so top of
canister is no more than _____
K - ANS✔✔--class ___ extinguishers are for fires involving cooking media
75 ft - ANS✔✔--OSHA specified max travel distance for Class A is ______
C - ANS✔✔--proper UL rating to use on electrically energized equipped
Class K - ANS✔✔--work on the principle of saponification
Obstacle Type Fires - ANS✔✔--involve flammable liquid on a horizontal surface w/ the presence of
a solid object creating a barrier
4 inches - ANS✔✔--extinguishers must be installed at least _____ from the ground
Obstacle Type Fires - ANS✔✔--may take place in flammable liquid storage caninets, dip tank
process areas, etc.
, Must Be Weighed - ANS✔✔--To make sure the pressure gauges of CO2 extinguisher are showing
adequate pressure, what must you do?
5 yrs - ANS✔✔--Wetting agent portable extinguishers must be hydrostatic tested every _____
After recharge - ANS✔✔--leak tests on stored pressure extinguishers must be performed
cannot - ANS✔✔--how do u convert fire extinguishers from 1 type to another?
any remaining dry chemical in a discharged extinguisher - ANS✔✔--may be reused only if checked
for proper type, contamination, and condition. closed recovery system needs to be used!
New extinguishers needing charge in the field - ANS✔✔--do not need to have any verification of
service collar installed
you cannot - ANS✔✔--how do u have an extinguisher converted to use a different type of
extinguishing agent
annually - ANS✔✔--the gauge used to set the regulated source of pressure needs to be calibrated
annually - ANS✔✔--pump tank calcium chloride based antifreeze typesof extinguishers need to be
recharged
75 ft. - ANS✔✔--OSHA specified max distance to extinguisher for Class D
weighing - ANS✔✔--when you recharge, the amount of recharge agent to use should be verified by
Aqueous Film Forming Foam (AFFF) - ANS✔✔--these types of extinguishers must have hydrostatic
testing every 5 yrs
annually - ANS✔✔--The wetting agent in stored pressure wetting agent extinguishers must be
replaced
3 yrs - ANS✔✔--The premixed agent in liquid charge-type AFFF and FFFP extinguishers must be
replaced every
cylinder-operated extinguishers - ANS✔✔--do not need to have any verification of service collar
installed
False - ANS✔✔--you are free to mixmultipurpose dry chemicals w/ alkaline based dry chemicals
must be avoided - ANS✔✔--subsurface injection of wet chemical extinguishing agents into hot
cooking media
False - ANS✔✔--You should NEVER place extinguishers in cabinets or wall recesses.