7. Overcoming Firefighter Equipment Challenges Flashcards
____ is the most important component of the turnout gear.
The thermal liner
The thermal layer and moisture barrier account for up to ____ of the thermal protection performance.
75%
Thermal liners work by ____
trapping air in and between layers of non woven material that is quilted.
The ideal combination of thermal liner material offers ____
wick ability, mobility, comfort, and moisture management.
Thermal liners that contain multilayer non woven materials absorb ____ moisture, and remain ____, ____, and ____.
- less
* Drier, thinner, and lighter
The ____ provides resistance to water, chemicals, and viral agents.
moisture barrier
The moisture barrier is constructed with ____
an expanded polytetrafluoroethylene (PTFE) permeable film barrier laminated to a woven or non woven flame resistant material.
The outer shell of turnout gear provides ____ of the total thermal protection and shielding of the inner components.
25% to 30%
The outer shell of turnout gear provides ____ and protection from ____ and ____.
- flame resistance
* cuts and abrasions.
Although the conditions in which they work are often different, all firefighters, regardless of their specific jobs, can aid their protection by choosing base layers that offer an ____
increased thermal protection.
Garments made of materials that ____ are very detrimental to the wearer.
can melt
Cotton base layers are not detrimental to the wearer, but do not assist in wicking and will hold moisture, potentially adding to the risk of ____
steam burns
NFPA ____ establishes not only the minimum performance requirements for PPE, it also specifies the test methods by which the PPE will be measured.
1971
During the forced air oven test, materials shall not melt, drip, or ignite after exposure to ____ for ____ minutes and fabrics cannot shrink more than ____ in any direction.
- 500 degrees F
- 5 minutes
- 10%
NFPA 1971 specifies that firefighting turnouts must have a minimum of ____ TPP (thermal protective performance) rating
35