IFSTA ARFF 6th: Ch. 4 Flashcards
Safety and Aircraft Hazards
On average, over ____ firefighters die in LODD in US every year.
100
What is the number one cause of injuries?
Accidents
Where is firefighter safety begin?
The Fire Station
What is the only exception to the two-in/two out rule?
Known life hazard situation with fire in incipient stage and action can prevent loss of life
A decontamination corridor is established in what zone?
Warm
Proximity clothing designed to reflect ____ percent of radiant heat.
90
PASS unit will sound if wearer is motionless for _____ seconds
30
PASS device emits an alarm of _____ Decibels @ 9.9 feet
95
The primary hazard to aircraft occupants and firefighters is:
Fuel carried on aircraft
AVGAS octane is of a range from _____ to ____
100 / 145
What is the Flash Point?
Minimum temp which a liquid gives off enough vapors to make an ignitable mixture
What is the name of the two grades Jet Fuel is divided into?
Kerosene and Blends
DOT considers liquids flammable if their flash point is less than ______
140 degrees.
When approaching a propeller personnel should remain at least _____ feet from it
15
Jet blast can reach velocities of over ____ mph
800
Personnel should stay at least ____ feet from front or sides of an aircraft engine.
30
Regarding wheel assemblies, the fragmentation zone extends at a ____ degree angle and out from the wheel assemblies a minimum of ____ feet.
45 / 289
In gusty wind conditions, helicopter main rotor may dip to within ___ feet.
4
BRS (Ballistic Recovery Systems) fire in what direction?
Vertically or Horizontally
What term is also referred to as hazardous materials in United States?
Dangerous Goods
Dangerous goods have a _____________ border
red and white candy-stripped
What are Class 1 Dangerous Goods?
Explosives
What are Class 2 Dangerous Goods?
Gases
What are Class 3 Dangerous Goods?
Flammable Liquids
What are Class 4 Dangerous Goods?
Flammable Solids
What are Class 5 Dangerous Goods?
Oxidizing Substances
What are Class 6 Dangerous Goods?
Poisonous/Toxic Substances
What are Class 7 Dangerous Goods?
Radioactive
What are Class 8 Dangerous Goods?
Corrosives
What are Class 9 Dangerous Goods?
Miscellaneous
For DG identification and verification purposes, it is recommended that _____ separate sources is used.
3
First responsibility of units responding to DG incident is to ________________ and ____________.
Isolate the scene / deny entry
What are hypergolic fuels?
Substances that ignite spontaneously when coming in contact with each other.
Chaff is a ________ counter-measure
Radar
Ejection systems’ catapult can hurl a _____ lb object at an initial rate of _____ ft per second.
300 / 60
What are three types of canopies used on military aircraft?
Clamshell, Sliding and Hinge
