Solutions
3 yrs Correct Answers The premixed agent in liquid charge-
type AFFF and FFFP extinguishers must be replaced every
3.5 ft Correct Answers An extinguisher weighing over 40 lbs
should be installed so the top is no more than __ from the
ground
4 inches Correct Answers extinguishers must be installed at
least _____ from the ground
5 ft above the ground Correct Answers extinguishers weighing
40 lbs or less must be installed so top of canister is no more than
_____
5 yrs Correct Answers how often must CO2 portable
extinguishers go through hydrostatic testing?
5 yrs Correct Answers Wetting agent portable extinguishers
must be hydrostatic tested every _____
6 yrs Correct Answers dry chem extinguishers requiring 12 yr
hydrostatic test must be emptied for maintenance procedures
every
13 seconds Correct Answers minimum discharge duration for
extinguisher rated at 2A or higher
, 30 Correct Answers the pressure in a hydrostatic test of a
cylinder shall maintained for a minimum of ____ sec.
30 seconds Correct Answers hydrostatic test of cylinder shall
be maintained for
50 ft. Correct Answers OSHA specified maximum travel
distance to an extinguisher for Class B
75 ft Correct Answers OSHA specified max travel distance for
Class A is ______
75 ft. Correct Answers OSHA specified max distance to
extinguisher for Class D
a fire extinguisher is rated 4-A: 20-B:C Correct Answers it is
twice as much as a 2-A, 20x's as much as 1:B, suitable for C
fires
A rated UL extinguishers = how many gallons of water?
Correct Answers 1.25
A three dimensional fire often involves static flammable liquid.
true or false Correct Answers false. 3D firess unvolve
flammable liquid in motion as well as both horizontal and
vertical surfaces.
A, B, C Correct Answers what type of fires can Halotron fight?
After recharge Correct Answers leak tests on stored pressure
extinguishers must be performed