2024 S-290 Environmental science Final Exam With Answers (90 Solved Questions)

Preview (3 of 7 Pages)

100%

2024 S-290 Environmental science Final Exam With Answers (90 Solved Questions) - Page 1 preview image

Loading page ...

S-290 Final Exam Questions &Verified Answers Graded A+ (Latest2024)T/F Topography can directly and indirectly affect fuels and their availability forcombustion. - Answer - TrueOf the three primary environmental factors that influence fire behavior, which is the leastvariable? - Answer - TopographyThe least critical form of heat transfer that influences rate of spread in a running wildland fire is: - Answer - ConductionThe point to which a combustible material must be heated to produce self-sustainingcombustion is known as the: - Answer - Ignition temperatureFireline intensity is dependent upon: - Answer - All of the above.Fuel sizeFuel moistureFuel temperatureFuel compactness and arrangementT/F Two requirements for long range spotting are wind and a well developed convectioncolumn. - Answer - TrueA fire that advances through canopies of brush and trees is known as a: - Answer -Crown fireFire is burning in litter on top of the ground, but occasionally carries into the crowns ofindividual trees, which produces burning embers that start new fires outside the fireperimeter. - Answer - Surface fire with torching and spotting.

2024 S-290 Environmental science Final Exam With Answers (90 Solved Questions) - Page 2 preview image

Loading page ...

2024 S-290 Environmental science Final Exam With Answers (90 Solved Questions) - Page 3 preview image

Loading page ...

Fire begins burning into the crowns and spreads through the canopy. There is a suddenincrease in fireline intensity where the fire controls it's environment. At one point flamescan be seen carried high into the convection column with a whirling motion. - Answer -Ground fire with smoldering and flare ups.T/F Upward moving air contracts and warms. - Answer - FalseAs air sinks, it. - Answer - Increases in pressure, warms and compresses.Why do dry climates usually have lower nighttime temperatures than humid climates? -Answer - Because there is less water vapor in the air to absorb and reflect heat back tothe surface at night.T/F On average the RH doubles with each 20F decrease of temperature, or halves witheach 20F increase in temperature. - Answer - TrueT/F The lowest RH occurs with the highest temperature. - Answer - TrueT/F RH is usually lower on north aspects. - Answer - FalseT/F Cloudiness has little affect on relative humidity and temperature. - Answer - FalseT/F The type of vegetation has little affect on temperature and humidity. - Answer -FalseT/F RH measures the amount of moisture in the air. - Answer - TrueS/U Clouds form in layers. - Answer - StableS/U Gusty winds - Answer - UnstableS/U Smoke column spreads out after limited rise. - Answer - StableS/U Clouds grow vertically - Answer - UnstableS/U Firebrands are lifted into convection column. - Answer - UnstableT/F Temperature decreases with an increase in elevation when an inversion is present.- Answer - FalseWhat is the general effect of stable air on wild land fires? - Answer - Fire activitydecreasesWhat conditions will occur under a surface inversion during the morning hours? -Answer - All of the aboveTemperatures are cool, winds are calm or light

Preview Mode

This document has 7 pages. Sign in to access the full document!

Report

Study Now!

Document Details

Related Documents

The Green Revolution Solving World Hunger through

Exploring Water Pollution Types, Causes, and Conse

Understanding Limiting Factors and Carrying Capaci

Bhopal Gas Tragedy, India Case Study

Human Impacts on the Sustainability of Groundwater

The Impact of Human Activities on Ecological Services and Biodiversity Conservation

The Impact of Climate Change on Aquatic and Terrestrial Biomes: Consequences, Vulnerabilities, and Human Influence

Analysis of the Clean Water Act: Economic Impact, Environmental Improvements, and the Role in Addressing Global Warming

Ethical Analysis of BP's Actions in the Deepwater Horizon Oil Spill: A Utilitarian and Relativist Perspective

SCI 227 Written Assignment: Household Carbon Footprint

Company

Explore

Study Tools