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Fundamentals of Fire Fighter Skills 3rd Ed - Ch 3
Terms in this set (48)
How fast should you be able to don and activate an SCBA?
How close should the gauges be on the SCBA regulator and cylinder?
What are the two methods used when donning an SCBA from the floor?
Can you take off your seatbelt to put on your SCBA en route?
Face piece fit testing is described in NFPA _____
Can you wear eye glasses under your face piece?
No, they pass through the seal causing leakage
Steps to proper placement of face piece:
1- fully extend straps
2-rest chin in chin pocket
3-fit the face pieece bring the webbing over your head
4-tighten lowest two straps, pull straight back
5-pull temple straps
6-check for proper seal
What is your first set if you have an SCBA problem in a IDHL environment?
try to exit to a safe environment
-if you cannot exit call a mayday
What are a few ways to reduce your profile with a SCBA on?
-turn to a 45 degree angle
-loosen one strap and change location of SCBA on your back
-"last resort" remove backpack, do not let go of harness
What temp should SCBAs be stored at?
greater than 32 degrees
When doffing a SCBA in below freezing temps where should your face piece and regulator go?
inside your coat to keep moisture from freezing for next use
Two concerns when refilling a cylinder in freezing weather
1- water may freeze on connection for filling hose
2-if filled at a lower temp then taken into a high temp environment, air may expand to dangerous level in tank (if excess pressure open valve to purge pressure)
when are SCBA checks for career and volunteer?
Career - beginning of each shift
volunteer - weekly
How often do fiber wrapped cylinders need replacement?
Who does the annual test for SCBAs?
certified manufacturer representative or person who has certification to perform work
When is a detailed inspection of an SCBA needed?
dropped, contact with flame, exposed to excessive heat, exposed to chemicals
Who requires hydrostatic testing of SCBA cylinders?
Department of transportation
How often do aluminum, steel, and carbon fiber cylinders need testing?
every 5 years
How often do kevlar and fiberglass cylinders need testing?
What should you check before filling a cylinder?
hydrostatic test date
What should you always inspect before hooking up a new cylinder?
the "O" ring is in place
What are two ways to fill cylinders?
compressors and cascade systems
How do compressors work?
they filter atmospheric air, compress it into high pressure, and transfer to SCBA cylinders
What is a cascade system?
they have several large storage cylinders of compressed air connected by a high pressure manifold system
Can you open multiple cascade storage bottles at a time?
No - one at a time
When filling a cylinder what should I log?
date, cylinder #, hydro test date
What can I clean the SCBA with?
Harness and cylinder mild soap and water
face piece - mild soap and water or disinfectant, fully submerge face piece in solution, be gentle, air dry
When filling a SCBA cylinder where must the bottle be?
in a shielded container
ANSI standard 207 requires traffic vests with:
450 sq inches high visibility fabric
201 sq inches of retro reflective material
PPE accounts for _____lbs of extra weight
How much does a complete set of turnouts cost?
What are the 3 main gases present in smoke?
CO, Hydrogen Cyanide, phosgene
What is CO
Carbon Monoxide: deadly in small quantities , replaces O2 in bloodstream 200 times more readily
-colorless, odorless, tasteless
What is hydrogen cyanide?
formed when plastic products burn, quickly absorbed by blood and interferes with cellular respiration, small amount = unconscious
incomplete combustion of many household products including vinyl, effects at low level: itchy throat and eyes. High levels: pulmonary edema. WWI weapon
Normal O2 in air? O2 deficient? judgement impaired?Headache, dizziness?unconscious? death?
21%, 19.5%, 17%, 12%, 9%, 6%
What are most fire deaths caused by?
What are the two main types of breathing apparatus?
Open and closed circuit
SCBA's typically used for structure fire
used for extended operations: mine rescue work, long tunnels, etc
what is a SAR?
supplied air respirator: uses external source for breathing air. Uses a one way valve just like open circuit SCBA (common in industrial setting) sometimes used by tech rescue teams
What is SCBA NFPA #?
What are the three standards related to SCBA?
1500- safety and health
1404- respiratory protection training
What is the realistic useful life of an SCBA cylinder?
no more than 50% of rated time
How heavy is an SCBA?
generally 25 lbs
What do SCBA's consist of:
backpack and harness, air cylinder assembly, regulator assembly, face piece assembly
What is another name for the low air alarm?
EOSTI - end of service time indicator
Annual Face piece fit testing is req under which NFPA?
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