Chapter 4 Firefighter Personal Protective Equipment

Question 1

NFPA 1971

Answer 1

Standard on Protective Ensembles for structural fire fighting
Must have label with manufactuers name, ID
Manufatured ID #, Lot # or Serial #
Address, country made in, materials used, foot size and cleaning precations

Question 2

Helmet

Answer 2

Shed water not to protect from heat, cold or impact
Brim protects from hot water and embers reaching ears & neck

New Helmets do same, except they protect from impact, heat, cold & face shield

Question 3

Saftey glasses & googles

Answer 3

Protect against approximately 85%of all eye hazards

Question 4

Firefighter Portective coat components

Answer 4

Outer shell
Moisture barrier
Thermal barrier

Question 5

Gloves

Answer 5

Most important protection against heat, cold, cuts, punchers & liquid absorption

Question 6

NFPA 1977

Answer 6

Standard on Protective clothing & Euipment for wildland firefighting

Boots 8”-10” high

Question 7

NFPA 1975

Answer 7

Standard on Station/Work uniforms for firefighters

- main part of standard garmets will not ignite, melt, drip or seperate when exposed to heat @ 500 degrees for 5 minutes

Question 8

Care for PPE

Answer 8

manufactures specifications

• Helmet- Remove dirt from shell, it absorbs heat. remove chemicals, oil may soften shell
• Coats & Pants- Atleast once every 6 months

Question 9

4 common hazardous atmosphers associated with fiers or other emergencys

Answer 9

• Oxygen Deficiency
• Elevated Temperatures
• Smoke
• Toxic atmospheres ( with and without fire)

Question 10

Oxygen deficiency

Answer 10

• Below 18%, body increaes respitory rate
• 21% normal,
• 17% muscular cordination, RR increases
• 12% Dizzy, H/A, rapid fatigue
• 9% unconsciousness
• 6% Death within a few minutes respitory failure

Question 11

Particular toxic gases given off at a fire very according to 4 factors

Answer 11

• Nature of combustibles
• Rate of heating
• Temperature of the evolved gases
• Oxygen Concentration

Question 12

IDLH

Answer 12

Immediately dangerous to life and Health
(that poses a threat of exposure to airborne contaminants when that exposure is likely to cause death or immediate or delayed from such an environment)

Question 13

(CO)

Answer 13

Carbon Monoxide

• Bloods hemoglobin combines with and carries oxygen in a loose chemical combinations called oxyhemoglobin
  .
• (CO) combines with bloods hemoglobin & oxygen is excluded.

-More death occurs from (CO), Darker the smoke more (CO) from incomplete combustion

*S&S- H/A, Dizzy, N/V, cherry red skin
(0.05%) 500 parts per million can be dangerous
1% loss of con and death can occur

Question 14

SCBA Limitations

Answer 14

Physical, medical & mental

- Limited air supply

Question 15

SCBA TYPES

Answer 15

• Open circuit, Compressed air (Most Common)

- Closed Circuit (rebreather) Compressed or liquid oxygen, exhaled air stays in system for reuse.

Question 16

4 Basic SCBA componets

Answer 16

• Backpack and Harness assembly
• Air Cylinder assembly
• Regulator assembly
• Face piece assembly

Question 17

Air Cylinder sizes

Answer 17

• 30 min 2,216 psi
• 30 min 4500 psi
• 45 min 3000 psi
• 45min 4500psi
• 60 min 4500 psi

Pressure should read within 100psi of cylinder gage

Audible alarm goes of @ 1/4 tank, FF leave immediately

Question 18

SCBA Inspection

Answer 18

• After each use, weekly, monthly & annually
• Steel and Aluminum bottles must be tested every 5 years.
• Composite cylinders tested every 3 years
• Gear and SCBA has been weighed at 47lbs
• Air varys with, FF condtioning, Task Performed, Level of Training, operational enviroments, Degree of excitment

Question 19

Emergency situation. which way do you follow hose to get out of house

Answer 19

• Male coupling is closet to exit

- Female is closet to fire

Question 20

Skip Breathing

Answer 20

Inhale, hold breath as long as it would take to exhale, then inhale once again before exhaling.