key variable affects the validity of depth of char pattern analysis
Ventiliation factors
where should you start when looking for the area of origin
exterior of the fire scene
what condition would be conductive to creating an explosive atmosphere in the handling and use of flammable and combustible liquids
Concentration of vapor
allowable ampacity of size 14 common copper wire
20 amps
a liquid is one with a flash point above 100 degrees F
Combustible
where should you begin looking for the area of origin
exterior of the fire scene
_______of a structure refers to its subdivision into separate sections or units
Compartmentation
the search of an explosion scene requires that searches be briefed in the proper procedures for identifying, logging and photographing is called
Marking and mapping
what construction is used primarily in commericial, industrial and high rise construction
non combustible construction
What building construction types are noncombustible resistant?
Type I and II
A dwelling constructed in a factory and placed on a site-built foundation
Modular Home
A construction technique whereby the structure is built in one or more sections; these sections are then transported to and assembled, at the building site
Manufactured housing
Building Construction: comprises the weight of movable, temporary loads that need to be designed into the weight-carrying capacity of the structure, such as people, furniture, furnishings, equipment, machinery, wind, snow and rainwater.
Building Construction: what is constant and immobile
dead load
the exterior wall studs extend from the foundation wall to the roofline
balloon-frame construction
building construction: similar to plank-and-beam construction, this type of structure uses larger elements with an identifiable frame or skeleton of timber that is fitted together
Post-and-frame construction