S-290 Final Exam B Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed
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Course
S-290
Institution
S-290
List 3 methods of mass transport of firebrands on wild land fires?
-:- Conduction, wind, and gravity
In an instable atmosphere:
-:- Smoke will continue to rise as long as it remains warmer than the surrounding
atmosphere and air parcels both rise and sink
Describe how convection influences ...
S-290 Final Exam B Questions & 100%
Correct Answers- Latest Test | Graded A+ |
Passed
List 3 methods of mass transport of firebrands on wild land fires?
✓ -:- Conduction, wind, and gravity
In an instable atmosphere:
✓ -:- Smoke will continue to rise as long as it remains warmer than the surrounding
atmosphere and air parcels both rise and sink
Describe how convection influences transport of firebrands
✓ -:- Rising heat produced from fires can lift firebrands within the column. These
firebrands can then be deposited ahead of the fire as they fall out of the column.
The primary factors that affect rate of spread are:
✓ -:- Changes in fuel type, wind speed, and steepness of slope.
Which of the following changes would be expected to produce the largest change in ROS?
✓ -:- A slope reversal with a 6 mph wind blowing at one slope
The 4 fuel factors that affect the ignition of wild land fires are:
✓ -:- Size and shape of fuels, compactness or arrangement of fuels, fuel moisture, and
fuel temperature.
Define fuel moisture content:
✓ -:- The amount of water in fuel expressed as a percent of the oven dry weight of that
fuel.
The fire weather planning forecast, spot forecasts, red flag warnings, and smoke
management forecasts are products issued by:
✓ -:- The National Weather Service
Which one or more of the following statements are correct regarding wind driven and
plume dominated fires:
✓ -:- Wind driven fires are easier to predict the direction of spread
Plume dominated fires have similar hazards to thunderstorms
Plume dominated fires the convected column dictates the fire activity
List the 3 methods used in the field to determine slope percent:
2|Page | Grade A+| 2024/2025
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