Company officer Chapter 10 Flashcards
NFPA 12
Standard on carbon dioxide extinguishing systems
What systems protect commercial cooking operations?
Wet Chem systems
NFPA 17
Standard on dry Chem extinguishing systems
What is the term used to describe the resistance of a building to collapse or to total involvement and fire
Fire resistance
The rate of water needed to control the fire is called what
Theoretical fire flow
The term protected, when applied to construction materials, means what?
Protected from the effects of fire by encasement
Common method of fire spread type one construction
Window to window or through vertical openings
Two subtypes of type 2 construction
A protected less than type one
B no protection
A 50 foot long steel beam heated uniformly over its length from 72° to 972° will expand by how much
3.9 inches
What measurement provides the ability to measure energy as an extensible property that explains what was happening
Heat release rate
NFPA 30
Standard on flammable and combustible liquids
NFPA 30B
Code for the manufacture and storage of aerosol products
NFPA 13
Sprinkler systems
NFPA 13 D
Installation of sprinkler systems in one and two family dwellings and manufactured homes
NFPA 13 R
Installation of sprinkler systems and residential occupancies up to and including four stories in height
HMMP
Hazardous material management plan
Ordinary temperature rated heads operate between what two temperatures
135 170
What systems protect commercial cooking operations
Wet chemical
NFPA 12
Standard on carbon dioxide extinguishing systems
NFPA 17
Dry Chem extinguishing systems
NFPA 74 placard system
Blue health
Red flammability
Yellow instability
Fire officers should make it a habit to observe what investigate when they appear to be closed
Exterior supply valves
Firewalls are what
Structurally independent and separate buildings
Steel looses half its strength at what temperature
900
Type two construction
Noncombustible
What is the term used to describe the resistance of a building to collapse or to total involvement and fire
Fire resistance
This is the difference between the operating temperature of a fire detection device such as the sprinkler head and the actual air temperature when the device activated
Thermal lag
Combustible voids, as well as closets, not exceeding what square footage and bathrooms not exceeding what square footage are not required to be sprinkled
24 & 55
The total building area exempted from sprinkler protection has been estimated as high as what percent
67
Wet pipe systems are installed for indoor temperatures that can be maintained at what temperature
40°F
What systems are sometimes used were freezing is expected
Dry systems
The ratio of air pressure to water pressure at which the valve will open in a sprinkler system is called what
Differential
What are dry systems in which the water supply valve is opened on a signal from detection devices such as a heat or smoke detector
Pre-action
What systems are installed an extra hazard occupancies where there is the possibility of a flash fire fire growth so rapid the response of a standard sprinkler system is too slow
Deluge
What is required for all water-based fire extinguishing systems and standpipe systems with the exception of the limited area sprinkler systems of less then ______heads and NFPA 13 the sprinkler systems
20
These are chemical compounds that contain carbon and one or more elements from the halogen series
Halogenated extinguishing agents
What is used in total flooding systems that this charge quantity sufficient to create up to 10% concentration in the areas protected
Halon 1301
Halogenated agent suppress fires by interrupting the chemical chain reaction and will not extinguish what class materials
Class a
Wonder what government act was halon 1211 and 1301 banned
Clean air act January 1, 1994