NFPA 10 og Exam actual Questions and verified

Texas Ext Type B TFM02, NFPA 10-Class B-Fire Ext. Vocab., NFPA 10 og Exam (actual / ) Questions and verified Answers.docx

A three dimensional fire often involves static flammable liquid. true or false false. 3D firess unvolve flammable liquid in motion as well as both horizontal and vertical surfaces.

Class A fire extinguisher are ok for wood, paper, some plastics and textiles. They offer the coating effects of dry chemicals.

Dry chemical stored pressure fire extinguishers:

should be removed or replaced at their next 6 year maintenance or hydrostatic test interval.

C proper UL rating to use on electrically energized equipped

Class K work on the principle of saponification 1 / 4

Obstacle Type Fires involve flammable liquid on a horizontal surface w/ the presence of a solid object creating a barrier

• inches

extinguishers must be installed at least _____ from the ground

Obstacle Type Fires may take place in flammable liquid storage caninets, dip tank process areas, etc.

Must Be Weighed To make sure the pressure gauges of CO2 extinguisher are showing adequate pressure, what must you do?

• yrs

Wetting agent portable extinguishers must be hydrostatic tested every _____

• / 4

After recharge leak tests on stored pressure extinguishers must be performed

cannot how do u convert fire extinguishers from 1 type to another?

any remaining dry chemical in a discharged extinguisher 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 do not need to have any verification of service collar installed

you cannot how do u have an extinguisher converted to use a different type of extinguishing agent

annually the gauge used to set the regulated source of pressure needs to be calibrated 3 / 4

annually pump tank calcium chloride based antifreeze typesof extinguishers need to be recharged

75 ft.OSHA specified max distance to extinguisher for Class D

weighing when you recharge, the amount of recharge agent to use should be verified by

Aqueous Film Forming Foam (AFFF) these types of extinguishers must have hydrostatic testing every 5 yrs

annually The wetting agent in stored pressure wetting agent extinguishers must be replaced

• yrs
• / 4