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S-290 Final Exam B Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed $9.99   Add to cart

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S-290 Final Exam B Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed

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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 ...

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  • September 4, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • S-290
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2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!



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




1|Page | Grade A+| 2024/2025

, 2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!

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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