Chapter 2 Flashcards
two general categories of technical rescue disciplines
- land based rescue
2. water based rescue
Standard on Life Safety Rope and Equipment for Emergency Services
NFPA 1983
Standard on Protective Ensembles for First Responders to CBRN Terrorism Incidents
NFPA 1994
In all rescue operations, personnel must wear appropriate protective _______________
headgear
Standard on Protective Ensembles for Technical Rescue Incidents
NFPA 1951
Standard on Protective Ensembles for Structural Fire Fighting and Proximity Fire Fighting
NFPA 1971
although they may not be needed in most rescue operations, all rescue personnel should be equipped with fire-resistant protective _____________
hoods
for oxyacetylene or gas fueled cutting operations, eye protection with a shade rating of ______ may be sufficient
3.0
for cutting operations with exothermic devices, a shade rating of ______ is required
5.0
__________________ alone do not provide an adequate level of protection for most technical rescue operations
helmet face shield
goggles and safety glasses must meet the requirements of _______________
ANSI Z87.1
firefighters exposed to any noise in excess of ______ dB must be provided with appropriate hearing protection
90
hearing protection devices should conform to ___________ or ________
ANSI S3.19 or S12.6
hearing protection must have a noise reduction factor of at least _________ decibles
20
most manufactured earplugs have an NRR of at least ______ dB, and some exceed ______ dB
20, 30
_____________ lists specific requirements for the amount of reflective striping necessary on structural PPE
NFPA 1971
rescuers should wear traffic vests with ________________ trim that reflects headlight beams
retroreflective
_________ work gloves are the primary type of glove used for land based rescue
leather
_______________ are worn to prevent falls when rescuers need to operate in the vertical plane
life safety harnesses
Only the ____________ harness offers full security for rescuers in all environments
Class III
Class I harness is intended for emergency escape with a load of up to ___________
300 lbs
Class II harness is intended for emergency escape with a load of up to __________
600 lbs
Class I and Class II harnesses are not typically used in rescue applications because they offer no ______________
upper body protection
Class III harnesses are also know as _______________
full body harnesses
Class III harness is designed for a load of up to ___________
600 lbs
____________ is the most common style of harness used in rescue work
Class III
PPE for water based rescues must conform to the standards of _____________ and AHJ requirements
NFPA 1952
all personnel operating within _______ of the water’s edge must wear PFD approved by the US Coast Guard
10 ft.
according to NFPA 1952, personnel engaged in water rescue operations must use a __________ vest with at least ________ pounds of buoyancy.
Type V, 22
all SCBA must be of the _______________ type and meet requirements of NFPA __________
positive pressure, 1981
supplied air respirators can have hoses up to _______ ft in length
300
closed circuit SCBA us a small cylinder of pure oxygen and can range from _____ minutes to ______ hours
30, 4
HEPA filters must be at least _______ percent efficient at removing particles as small as _______ micrometers
99.97, 0.3
primary decontamination must occur at the __________
incident site
tools characterized by large weighted heads on handles
striking tools
hand tools that use the principle of leverage to provide a mechanical advantage
prying tools
____________ tools are used when the material must be cut in a controlled fashion
snipping
jacks generally work best when the distance between the surface and the object to be stabilized is less than _____ ft
2
a screw jack is not to exceed ________ft in length
6
screw jack shaft should never be extended beyond ______ of its length
2/3
screw jacks should only be used for _________ and never for ___________.
stabilization, lifting
when using a trench screw jack, the pipe should be cut _______ shorter than the measurement
8 inches
_________ screw jack uses 4x4 or 6x6 lumber.
ellis
_________ screw jack is the most common used in structural collapse rescue shoring
bar
ratchet lever jacks, or high lift jacks, are classified as _________ duty jacks
medium
___________ jacks are the least stable of all the various types of jacks
ratchet lever
powered hydraulic __________ were the first powered hydraulic tools to become available to the fire/rescue service
spreaders
spreaders can produce _________ psi or more of force at the tips of the tool
22,000
the tips of spreaders can spread as much as ______ inches apart
32
shears are typically capable of developing ________ psi or more of cutting force and have an opening spread of approx. ___ inches
30,000
7
the largest extension rams can extend from a closed length of ______ft to an extended length of _______ft
3
5
extension rams open with a pushing force of more than ________ psi and closing force is about 1/2 that.
15,000
most hydraulic jacks have a lifting capacity of _____ tons
20
these tools are good for cutting medium to heavy gauge sheet metal and for popping rivets and bolts
air chisel
when operated at 90-100psi, the exit velocity of the air in an air knife at the nozzle is close to ________
mach 2
inflation pressure of high pressure air bags ranges from approx. _____________psi
116-145
formula for lifting capacity of high pressure air bags is:
Length x Width x Operating pressure in psi
low pressure air bags generally operate on ___________psi
7-10
medium pressure air bags generally operate on ___________psi
12-15
air bags should not be in contact with any surface hotter than _________.
220° F
if working under heavy horizontal object, cribbing should be at both sides of entry point no more than ____ ft apart
4
the operating range on most pneumatic shores is from ________ to _________ psi and have a minimum load capacity rating of 10 tones
100 - 350
Leg injuries account for _______ of all chainsaw injuries
40%
__________ occurs when the upper tip of the chainsaw bar comes in contact with a soli object
kickback
on wenches, drape a blanket or coat over the cable approx. ___________ from the hook
5-6ft
the best chain for rescue work is Grade ______, also known as Grade ______
80
T
minimum chain size used for rescue is generally ______
3/8 inch
________________ are the most dangerous hazards that rescuers encounter at a trench or building collapse
secondary collapses
LFL of airborne combustible grain dust can be approximated when the dust obscures vision at a distance of __________ or less
5 ft
