GROUND COVER FIRE FIGHTING TOP EXAM Questions And CORRECT Answers

GROUND COVER FIRE FIGHTING TOP EXAM
Questions And CORRECT Answers
Spinning vortex column of ascending hot air and gases rising from a fire and carrying aloft
smoke, debris, and flame. Range in size from less than one foot to over 500 feet in diameter. (Ch
1) - CORRECT ANSWERS Fire Whirl



The distance between the flame tip and the midpoint of the flame depth at the base of the
flame, an indicator of fire intensity. (Ch 1) - CORRECT ANSWERS Flame Length



transfer of heat in straight lines through a gas or vacuum other than by heating of the
intervening space. (Ch 1) - CORRECT ANSWERS Radiation



The relative activity of a fire in extending its horizontal dimensions. It is expressed as a rate of
increase of the total perimeter of the fire. Usually it is expressed in chains or acres per hour for
a specfic period in the fire's history. (Ch 1) - CORRECT ANSWERS Rate of Spread



Behavior of a fire producing sparks or embers that are carried by the wind and which start new
fires beyond the zone of direct ignition by the main fire. (Ch 1) - CORRECT
ANSWERS Spotting



Burning of the foliage of a single tree or group of trees or shrubs from the bottom up. (Ch 1) -
CORRECT ANSWERS Torching



The three C's in regards to the keys to resolving issues in multi-agency incidents. (Ch 1). -
CORRECT ANSWERS Communication, Coordination, and Cooperation

,Fires that burn in the layer of dead organic matter that generally covrs the soil in forested areas.
Slow moving, smoldering fires that can go undetected for months before they enter a flaming
stage(Ch 1) - CORRECT ANSWERS Ground fires



The most common type of ground cover fire, burning on the soil surface consuming low-lying
grass, shrubs, and other vegetation. (Ch 1) - CORRECT ANSWERS Surface fires



Wind-driven, high intensity fires that move through the tree tops of heavily forested areas. (Ch
1) - CORRECT ANSWERS Crown Fires



Needles, duff, twigs, grass, field crops, brush up to 6 feet in height, downed limbs, logging slash,
and small trees on or immediately adjacent to the surface of the ground. (Ch 1) - CORRECT
ANSWERS Surface fuels



Suspended and upright fuels, brush over 6 ft, physically separate from ground and air can
circulate freely between them. (Ch 1) - CORRECT ANSWERS Aerial fuels



The most critical weather element affecting wildland fire behavior. (Ch 1) - CORRECT
ANSWERS Wind



Local winds that develop in hilly and mountainous terrain where the differences in heating and
cooling occur. (Ch 1) - CORRECT ANSWERS Slope winds



Develope as air in the valleys, draws, and hillsides become warmer that the air at the top of the
slope and begins to rise. Speeds generally between 3 and 8 mph and can be gusty. (Ch 1) -
CORRECT ANSWERS Upslope winds



Generally occur after midnight and speeds range from 2 to 5 mph. (Ch 1) - CORRECT
ANSWERS Downslope winds

, There may be as much as a _____ degree difference between fuels in an open field and fuels
under a canopy. (Ch 1) - CORRECT ANSWERS 60 degree



As a general guidline, RH levels below _______ are an indicator of a problem or extreme fire
behavior. (Ch 1) - CORRECT ANSWERS 25%



The degree to which vertical motion in the atmosphere is enhanced or suppressed. It is directly
related to the temperature distribution of the atmosphere. (Ch 1) - CORRECT
ANSWERS Atmospheric stability



Fine fuels gain or lose moisture usually within ____________. (Ch 1) - CORRECT
ANSWERS One hour



An atmosphere that resists upward motion. (Ch 1) - CORRECT ANSWERS Stable
atmosphere



A layer of atmosphere where the temperature increases with altitude. (Ch 1) - CORRECT
ANSWERS Inversion



An atmosphere that encourages upward motion. (Ch 1) - CORRECT ANSWERS Unstable
atmosphere



The compass direction a slope faces. (Ch 1) - CORRECT ANSWERS Aspect



The amount or degree of incline of a hillside. (Ch 1) - CORRECT ANSWERS Slope