Texas Ext Type B TFM02 Exam Questions Verified Answers Latest Update 2023
A three-dimensional fire often involves static flammable liquid. true or
... [Show More] false - correct answers ✅false. 3D fires involve flammable liquid in motion as well as both horizontal and vertical surfaces.
Class A fire extinguisher - correct answers ✅are ok for wood, paper, some plastics and textiles. They offer the coating effects of dry chemicals.
Dry chemical stored pressure fire extinguishers: - correct answers ✅should be removed or replaced at their next 6-year maintenance or hydrostatic test interval.
B:C - correct answers ✅Talking about UL rating, the _____ rating refers to the amount of sq footage an extinguisher covers
Class B fire extinguishers cannot handle flammable liquid - correct answers ✅False
employees must be trained in proper use of all portable fire extinguishers according to - correct answers ✅CRF29
monthly - correct answers ✅you need to have portable fire extinguishers VISUALLY inspected at least _____ according to 29 CFR 1910.157 (e) (2)
Class A/B fire extinguishers - correct answers ✅should NOT be used forfire that involves live electrical equipment
annually - correct answers ✅Water or steam fire extinguishers need to be discharged, dissassembled and inspected at least:
3.5 ft - correct answers ✅An extinguisher weighing over 40 lbs should be installed so the top is no more than __ from the ground
50 ft. - correct answers ✅OSHA specified maximum travel distance to an extinguisher for Class B
6 yrs - correct answers ✅dry chem extinguishers requiring 12 yr hydrostatic test must be emptied for maintenance procedures every
A rated UL extinguishers = how many gallons of water? - correct answers ✅1.25
C - correct answers ✅Class ____ fire extinguishers use electrically nonconductive extinguishing agents
Every 5 years - correct answers ✅Cartridge operated water based portable extinguishers need hydrostatic testing
stored pressure type extinguishers need need INTERNAL examination : - correct answers ✅never
5 ft above the ground - correct answers ✅extinguishers weighing 40 lbs or less must be installed so top of canister is no more than _____
K - correct answers ✅class ___ extinguishers are for fires involving cooking media
75 ft - correct answers ✅OSHA specified max travel distance for Class A is ______
C - correct answers ✅proper UL rating to use on electrically energized equipped
Class K - correct answers ✅work on the principle of saponification
Obstacle Type Fires - correct answers ✅involve flammable liquid on a horizontal surface w/ the presence of a solid object creating a barrier
4 inches - correct answers ✅extinguishers must be installed at least _____ from the ground
Obstacle Type Fires - correct answers ✅may take place in flammable liquid storage caninets, dip tank process areas, etc.
Must Be Weighed - correct answers ✅To make sure the pressure gauges of CO2 extinguisher are showing adequate pressure, what must you do?
5 yrs - correct answers ✅Wetting agent portable extinguishers must be hydrostatic tested every _____
After recharge - correct answers ✅leak tests on stored pressure extinguishers must be performed
cannot - correct answers ✅how do u convert fire extinguishers from 1 type to another?
any remaining dry chemical in a discharged extinguisher - correct answers ✅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 - correct answers ✅do not need to have any verification of service collar installed
you cannot - correct answers ✅how do u have an extinguisher converted to use a different type of extinguishing agent
annually - correct answers ✅the gauge used to set the regulated source of pressure needs to be calibrated
annually - correct answers ✅pump tank calcium chloride based antifreeze typesof extinguishers need to be recharged
75 ft. - correct answers ✅OSHA specified max distance to extinguisher for Class D
weighing - correct answers ✅when you recharge, the amount of recharge agent to use should be verified by
Aqueous Film Forming Foam (AFFF) - correct answers ✅these types of extinguishers must have hydrostatic testing every 5 yrs
annually - correct answers ✅The wetting agent in stored pressure wetting agent extinguishers must be replaced
3 yrs - correct answers ✅The premixed agent in liquid charge-type AFFF and FFFP extinguishers must be replaced every
cylinder-operated extinguishers - correct answers ✅do not need to have any verification of service collar installed
False - correct answers ✅you are free to mixmultipurpose dry chemicals w/ alkaline based dry chemicals
must be avoided - correct answers ✅subsurface injection of wet chemical extinguishing agents into hot cooking media
False - correct answers ✅You should NEVER place extinguishers in cabinets or wall recesses.
5 yrs - correct answers ✅how often must CO2 portable extinguishers go through hydrostatic testing?
Special Hazards - correct answers ✅Pressurized gas fires and pressurized flammable liquids.
Type B, Special Hazards - correct answers ✅Type ___ extinguishers w/ agents other than dry chemicals are not very effective on ______
Do not attempt - correct answers ✅How do you filed adjust regulators that are utilized on wheeled fire extinguishers?
False - correct answers ✅You do not need to keep permanent file record for each extinguisher unless it has been in use for over 1 1/2 yrs
Permanant File Record - correct answers ✅needed for each extinguisher including: maintenance date, name, and agency performing maintenance.
Dry Nitrogen - correct answers ✅used as an expellant gas for stored-pressure fire extinguishers
is not recommended - correct answers ✅connecting the fire extinguisher to the high pressure source for direct charging
False - correct answers ✅the problem with halon agent is that it leaves a lot of residue after use.
may be weakened when under fire exposure - correct answers ✅the structural integrity of aluminum shells
False - correct answers ✅The system used to rate effectiveness of extinguishers on Class B fires is applicable to pressurized flammable liquid
greater - correct answers ✅Potassium base bicarbonate agents offer _____ capabilities when compared to sodium bicarbonate agents
Corrosive - correct answers ✅there are several types of dry chemical agents. the problem w/ potassium chloride based agent is that it is:
Ammonium phosphate based agents - correct answers ✅of all dry chemical agents, only ______ are suitable for Class A protection
Class A - correct answers ✅water type extinguishers are primarily for handling __________ fires.
False - correct answers ✅Backpack pump extinguishers should be avoided because they do not have a designated rating.
Distilled Water - correct answers ✅water mist extinguishers can only use________
False - correct answers ✅For safety, portable extinguishers should NOT be installed in a location accessible to the hazard.
date printed on the nameplate - correct answers ✅all nonrechargable extinguishers come w/ maximum useful life cycles of no more than______
unventilated locations - correct answers ✅carbon dioxide extinguishers can be dangerous in ______________
True - correct answers ✅Extinguishers should be CO2 or halogenated agent types when computer equipment is in the location of fire.
A, B, C - correct answers ✅what type of fires can Halotron fight?
CleanguardFE 36 - correct answers ✅suitable replacement for Halon 1211 because it is less toxic and has 0 ozone depletion potential.
30 - correct answers ✅the pressure in a hydrostatic test of a cylinder shall maintained for a minimum of ____ sec.
dry chemical and dry powder - correct answers ✅on certain _ (cartridge operated)
dry chemical and halogenated extinguishers - correct answers ✅require 6 & 12 yr hydrostatic testing
water, afff, fffp, CO2 extinguishers - correct answers ✅require 5 yr maintenance and hydrostatic testing
Class A rating - correct answers ✅wood
class b rating - correct answers ✅2" depth heptane fires in square pans
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
Condemn - correct answers ✅if cylinder has welding, broken threads, nicks or corrosion
pressure gauges used on test equipment - correct answers ✅calibrated semiannually
master gauges - correct answers ✅calibrated annually
drying equipment - correct answers ✅shall not exceed 150F
DOT 3E cartridges or TC 3EM cartridges - correct answers ✅exempt from periodic hydrostatic testing
30 seconds - correct answers ✅hydrostatic test of cylinder shall be maintained for
test pressure for hose assemblies - correct answers ✅maintained for min of 1 min
low pressure cylinder - correct answers ✅when not specified, shall be tested to factory test pressure, not exceeding 3x's service pressure
cartridge operated extinguishers - correct answers ✅tested at original factory test pressure
High Pressure Cylinders - correct answers ✅DOT3A 3AA 3AL cylinders [Show Less]