Quiz On Burn Plan For Prescribed Burning! Trivia Questions

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  • 1/55 Questions

    In order to conduct a prescribed burn you would normally have the following:

    • Prescribed burn plan
    • Designated fire boss
    • Coordination with TCEQ and local fire departments
    • Map of the burn unit
    • Hand held radios
    • All of the above
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About This Quiz

The trivia questions quiz below is on burn plan for prescribed burning! When it comes to prescribed burning it is important to have a laid down plan for each situation as they are not all the same. Do you know how to create a plan and how to ensure that it is efficient? Do take up the quiz below and See moreget to find out.

Quiz On Burn Plan For Prescribed Burning! Trivia Questions - Quiz

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  • 2. 

    When managing for Bobwhite Quail, which habitat elements are affected by fire?

    • Food production

    • Food availability

    • Nesting cover

    • Brood rearing habitat

    • Protective cover

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Fire affects all of the mentioned habitat elements for Bobwhite Quail. Fire can stimulate the growth of plants and increase food production, making more food available for the quail. It can also create open areas and remove dense vegetation, providing nesting cover and brood rearing habitat for the quail. Additionally, fire can reduce the presence of predators by removing protective cover, making the habitat safer for the quail. Therefore, all of these elements are affected by fire when managing for Bobwhite Quail.

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  • 3. 

    What controls fire behavior?

    • Rate of spread and flame length

    • The fire boss

    • Wind speed, air temperature, and relative humidity

    Correct Answer
    A. Wind speed, air temperature, and relative humidity
    Explanation
    Wind speed, air temperature, and relative humidity are the factors that control fire behavior. Wind speed affects the direction and intensity of the fire, while air temperature influences the rate of combustion. Relative humidity plays a crucial role in determining the moisture content of the vegetation, affecting its flammability. These three factors interact to determine the rate of spread and flame length of a fire.

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  • 4. 

    Unstable air can often be found in low-pressure systems and on the leading edge of cold fronts.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Unstable air refers to air that is prone to vertical motion and turbulence. In low-pressure systems and on the leading edge of cold fronts, the air is often rising rapidly, leading to instability. This is because low-pressure systems and cold fronts are associated with the convergence of different air masses with varying temperature and humidity. As the warm air rises and interacts with the cooler air, it can create unstable conditions, leading to the development of clouds, precipitation, and potentially severe weather. Therefore, it is true that unstable air can often be found in low-pressure systems and on the leading edge of cold fronts.

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  • 5. 

    Which factors can cause prescribed fires to escape?

    • Inadequate fuel breaks

    • Improper weather conditions

    • Untrained and/or too few personnel

    • Unpredicted weather conditions

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Prescribed fires can escape due to a combination of factors including inadequate fuel breaks, improper weather conditions, untrained and/or too few personnel, and unpredicted weather conditions. Inadequate fuel breaks can allow the fire to spread beyond the intended area, while improper weather conditions such as high winds or dry conditions can cause the fire to become uncontrollable. If there are not enough trained personnel to effectively manage the fire, it can also lead to escape. Additionally, unpredicted weather conditions can quickly change the behavior of the fire, making it difficult to control. Therefore, all of the factors mentioned can contribute to prescribed fires escaping.

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  • 6. 

    Which fire-type has the fastest rate of spread?

    • Flank fire

    • Back fire

    • Head fire

    • Camp fire

    Correct Answer
    A. Head fire
    Explanation
    Head fire has the fastest rate of spread among the given options. A head fire is a fire that spreads in the direction of the wind, which allows it to advance rapidly. The wind pushes the flames and embers forward, causing the fire to move quickly and potentially cover a large area in a short amount of time. This makes head fires particularly dangerous and challenging to control.

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  • 7. 

    Many factors limit the widespread use of prescribed fire including:

    • Fear

    • Smoke management

    • Grazing management

    • Fuel management

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Prescribed fire is not widely used due to multiple factors. Fear is one of the factors as people may be afraid of the potential risks and damages associated with fire. Smoke management is another factor as it is important to control and minimize the amount of smoke produced during prescribed fires to prevent air pollution and health issues. Grazing management is also a limiting factor as it involves coordinating with livestock owners to ensure their animals are not negatively affected by the fire. Lastly, fuel management plays a role as it requires proper planning and preparation to ensure that the fire does not become uncontrollable. Therefore, all of the mentioned factors contribute to the limited use of prescribed fire.

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  • 8. 

    Prescribed fire is a useful tool for

    • Managing wildland fuels in the wildland/urban interface

    • Improving forage quality for grazing and browsing animals

    • Reducing tick and other parasite problems

    • Managing habitat for many wildlife species

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Prescribed fire is a useful tool for managing wildland fuels in the wildland/urban interface by reducing the amount of flammable vegetation, thus decreasing the risk of wildfires. It also improves forage quality for grazing and browsing animals by promoting the growth of nutritious plants. Additionally, prescribed fire can help reduce tick and other parasite problems by creating a less favorable habitat for these pests. Lastly, it plays a crucial role in managing habitat for many wildlife species by creating diverse vegetation structures and promoting the growth of specific plant species that are important for wildlife.

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  • 9. 

    Fine fuel moisture is also referred to as

    • 1-hour time lag fuel

    • 10-hour time lag fuel

    • 100-hour time lag fuel

    Correct Answer
    A. 1-hour time lag fuel
    Explanation
    Fine fuel moisture refers to the moisture content in vegetation that has a small diameter and dries out quickly, typically within 1 hour. This type of fuel is often referred to as 1-hour time lag fuel because it represents the moisture content of vegetation that responds quickly to changes in weather conditions. The moisture content of fine fuels is important in fire behavior prediction and fire danger assessment, as dry fine fuels are more prone to ignition and can contribute to the rapid spread of wildfires.

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  • 10. 

    Which of the following is not considered a smoke sensitive area?

    • Town

    • Hay barn

    • Hospital

    • Highway

    Correct Answer
    A. Hay barn
    Explanation
    A hay barn is not considered a smoke sensitive area because it is a structure used for storing hay or straw, which are dry and highly flammable materials. Unlike a town, hospital, or highway, a hay barn does not contain a large number of people or sensitive equipment that can be adversely affected by smoke. Therefore, it is not considered a smoke sensitive area.

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  • 11. 

    A spot fire occurs while you are conducting a prescribed burn. When you reach the spot fire, it is about 40 feet wide and 120 feet long. Conditions are Temp 65°F, RH 40% and eye level wind 8mph from the south. You have a single brush truck with a slip-on cattle-sprayer, two backpacks, and numerous people and hand tools. How do you initially attack the spot fire?

    • Directly attack the head

    • Attack the short flank in order to get to the head

    • Call for a slurry drop

    • Wait until the fire reaches greater intensity and call for the VFD

    Correct Answer
    A. Attack the short flank in order to get to the head
    Explanation
    Based on the given information, the most effective way to initially attack the spot fire is to attack the short flank in order to get to the head. This approach allows the firefighters to create a firebreak by attacking the fire from the side and preventing it from spreading further. By attacking the short flank, they can then work their way towards the head of the fire and extinguish it. This strategy takes advantage of the available resources, such as the brush truck with a slip-on cattle-sprayer, backpacks, and hand tools, as well as the favorable weather conditions to effectively control and extinguish the spot fire.

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  • 12. 

    Firebreaks may include the following:

    • Trails

    • Bare ground

    • Preburned lines

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Firebreaks are essential in preventing the spread of wildfires. Trails act as natural barriers, hindering the fire's progress. Bare ground, devoid of vegetation, also serves as a barrier as fire cannot easily propagate without fuel. Preburned lines are areas intentionally burned before a fire occurs, creating a buffer zone that reduces the intensity of an approaching fire. Therefore, all of the options mentioned - trails, bare ground, and preburned lines - are examples of firebreaks that can be used to control and contain wildfires.

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  • 13. 

    When a cold front or thunderstorm is forecast in the vicinity of a fire, what is the most important information an NOAA weather forecaster can provide?

    • A increase in cloud cover

    • Rising relative humidity

    • Strong shifting winds

    • Cooler temperatures

    • The onset of rain

    Correct Answer
    A. Strong shifting winds
    Explanation
    When a cold front or thunderstorm is forecast in the vicinity of a fire, the most important information an NOAA weather forecaster can provide is the occurrence of strong shifting winds. This is because strong winds can rapidly change the direction and speed of the fire, making it difficult for firefighters to predict and control its movement.

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  • 14. 

    Water is normally the most limiting factor on prescribed fires.  What is one way to conserve water use on a pumper unit?

    • Use a high volume, low pressure pump

    • Use a high volume, high pressure pump

    • Use a low volume, high pressure pump

    Correct Answer
    A. Use a low volume, high pressure pump
    Explanation
    Using a low volume, high pressure pump is one way to conserve water use on a pumper unit. This type of pump allows for efficient water distribution by delivering a smaller amount of water at a higher pressure. By doing so, it ensures that the water is effectively utilized and reduces wastage. This conservation technique is particularly important in situations where water availability is limited, such as during prescribed fires where water is often the most limiting factor.

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  • 15. 

    Dead grass reacts like a 1-hour time lag fuel.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Dead grass reacts like a 1-hour time lag fuel. This means that when dead grass is exposed to a heat source or fire, it takes approximately one hour for it to fully ignite and burn. This statement suggests that dead grass has a delayed reaction to fire, which is true.

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  • 16. 

    The rate of nutrient cycling after a wildfire or prescribed fire.

    • Increases

    • Decreases

    • Stays the same

    Correct Answer
    A. Increases
    Explanation
    After a wildfire or prescribed fire, the rate of nutrient cycling increases. This is because the fire releases nutrients stored in plants and organic matter, making them more available for uptake by other plants. The heat from the fire also stimulates microbial activity, accelerating the decomposition of organic matter and further releasing nutrients into the soil. As a result, the nutrient cycling process becomes more efficient and active, leading to an increase in the rate of nutrient cycling.

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  • 17. 

    Which of the following is not a purpose to burn, according to 338 standard?

    • Prepare site for seeding

    • Improve forage quality

    • Facilitate distribution of grazing animals

    • I didn't like those neighbors anyway

    Correct Answer
    A. I didn't like those neighbors anyway
    Explanation
    The given answer, "I didn't like those neighbors anyway," is not a purpose to burn according to the 338 standard. The 338 standard likely refers to a specific set of guidelines or regulations that outline the acceptable purposes for burning. The other options, such as preparing a site for seeding, improving forage quality, and facilitating the distribution of grazing animals, are all valid purposes for burning according to the standard.

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  • 18. 

    What do you mix and how much of each for the fuel in a drip torch?

    • 60:40 diesel:gasoline

    • 70:30 gasoline:diesel

    • 100% gasoline

    • 100% diesel

    Correct Answer
    A. 60:40 diesel:gasoline
    Explanation
    The correct answer is 60:40 diesel:gasoline. This means that you mix 60% diesel and 40% gasoline to create the fuel for a drip torch. This combination of fuels provides the right balance of combustibility and effectiveness for the torch to function properly.

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  • 19. 

    What are the main reasons to have firebreaks around a fire?

    • To allow travel around the burn unit

    • Create wildlife habitat

    • Contain the fire

    • A and c

    Correct Answer
    A. A and c
    Explanation
    Firebreaks are created around a fire to contain the fire and prevent its spread. By creating a barrier of cleared vegetation, such as a cleared strip of land or a road, the firebreaks help to control the fire's movement and prevent it from spreading to other areas. This allows for easier travel around the burn unit and helps to protect surrounding areas from the fire's destructive effects. Therefore, the main reasons to have firebreaks around a fire are to contain the fire and allow travel around the burn unit.

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  • 20. 

    Of the three environmental factors that influence fire behavior, which is the least variable over time?

    • Fuels

    • Weather

    • Topography

    Correct Answer
    A. Topography
    Explanation
    Topography refers to the physical features and shape of the land, such as hills, valleys, and slopes. Unlike fuels and weather, which can change rapidly and unpredictably, topography is relatively stable and does not vary as much over time. The shape of the land can affect the spread and behavior of fire, but once established, it remains constant unless altered by human activities or natural events like erosion or landslides. Therefore, topography is the least variable environmental factor influencing fire behavior.

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  • 21. 

    Wind direction is:

    • The direction the wind is blowing toward

    • The direction the wind is blowing from

    • Not important for prescribed burners or firefighters to know

    Correct Answer
    A. The direction the wind is blowing from
    Explanation
    The correct answer is "The direction the wind is blowing from." This is because knowing the direction the wind is coming from is crucial for prescribed burners and firefighters. It helps them determine the path and spread of the fire, which is essential for planning and executing effective fire control strategies. Additionally, understanding wind direction is important for ensuring the safety of personnel and preventing the fire from spreading uncontrollably.

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  • 22. 

    What conditions will occur under a surface inversion during the morning hours?

    • Temperatures are cool, winds are calm and light

    • Fire activity is decreased

    • Pollutants can accumulate under inversions

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Under a surface inversion during the morning hours, temperatures are cool, winds are calm and light. This is because the cool air gets trapped near the surface by a layer of warmer air above it, preventing the mixing of air and causing the calm conditions. Fire activity is decreased during surface inversions as the lack of wind limits the spread of fires. Additionally, pollutants can accumulate under inversions as the stagnant air traps them near the surface, leading to poor air quality. Therefore, all of the given conditions occur under a surface inversion during the morning hours.

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  • 23. 

    At what air temperature do firebrands ability to travel downwind increase exponentially?

    • 50-60 degrees F

    • 60-70 degrees F

    • Greater than 70 degrees F

    Correct Answer
    A. Greater than 70 degrees F
    Explanation
    Firebrands are small burning embers that can be carried by the wind and start new fires. As the air temperature increases, the ability of firebrands to travel downwind increases exponentially. This means that at temperatures greater than 70 degrees F, the distance that firebrands can travel becomes significantly greater compared to lower temperatures.

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  • 24. 

    Why are bunch grasses affected by fire more than rhizomatous grasses?

    • Season of growth

    • Bunch grasses create a bunch of flames

    • Amount of dead growth close to location of meristems

    • They are not affected by fire more than rhizomatous grasses

    Correct Answer
    A. Amount of dead growth close to location of meristems
    Explanation
    Bunch grasses are affected by fire more than rhizomatous grasses because they have a larger amount of dead growth close to the location of their meristems. This dead growth acts as fuel for the fire, causing it to spread more easily and potentially harming the meristems, which are responsible for the growth and regeneration of the grass. Rhizomatous grasses, on the other hand, have underground stems called rhizomes that store nutrients and allow for regrowth after a fire, making them more resilient to fire.

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  • 25. 

    What element is most affected by a prescribed burn?

    • Carbon

    • Calcium

    • Phosphorous

    • Potassium

    • Water

    Correct Answer
    A. Carbon
    Explanation
    A prescribed burn is a controlled fire intentionally set to manage vegetation and promote ecosystem health. During a prescribed burn, the primary element that is most affected is carbon. The fire releases carbon dioxide into the atmosphere, which contributes to greenhouse gas emissions. Additionally, the burning vegetation releases carbon stored in plants and organic matter, which can impact carbon cycling in the ecosystem. Therefore, carbon is the element that is most influenced by a prescribed burn.

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  • 26. 

    How wide of an angle down wind should you plot the smoke plume on a smoke management map?

    • 90 degrees

    • 70 degrees

    • 30 degrees each side of the trajectory line

    • 10 degrees each side of the trajectory line

    Correct Answer
    A. 30 degrees each side of the trajectory line
    Explanation
    On a smoke management map, the smoke plume should be plotted at a width of 30 degrees each side of the trajectory line. This means that the smoke plume should be represented as a cone-shaped area with a 60-degree angle. This width allows for a reasonable estimation of the potential dispersion of the smoke, taking into account the variability of wind direction and speed. A wider angle may overestimate the extent of the smoke plume, while a narrower angle may underestimate it. Therefore, 30 degrees each side of the trajectory line is the most appropriate choice for plotting the smoke plume on a smoke management map.

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  • 27. 

    The temperature is 60°F and the relative humidity is 40%. A 20°F temperature raise is expected thus the relative humidity should be about 20%.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    As the temperature increases by 20°F, the relative humidity should decrease because warmer air can hold more moisture. Since the initial relative humidity is 40%, it is expected that the relative humidity will decrease to around 20% when the temperature increases by 20°F. Therefore, the statement is true.

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  • 28. 

    Relative humidity will roughly halve with each 20 degrees F rise in air temperature and double with each ______ drop in temperature.

    • 20 degree F

    • 30 degree F

    • 40 degree F

    Correct Answer
    A. 20 degree F
    Explanation
    Relative humidity is the amount of moisture in the air compared to the maximum amount it can hold at a given temperature. As air temperature increases, it can hold more moisture, so the relative humidity decreases. Conversely, as air temperature decreases, it can hold less moisture, so the relative humidity increases. Therefore, with each 20 degrees F drop in temperature, the relative humidity will roughly double.

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  • 29. 

    Fires spread more rapidly when moving up slope than when moving on level ground or down slope because:

    • Fuels are pre-heated

    • Winds blow stronger up slope

    • Winds always move up slope

    Correct Answer
    A. Fuels are pre-heated
    Explanation
    When fires move up slope, the fuels ahead of the fire are pre-heated, which means that they are already heated to a higher temperature before the fire reaches them. This pre-heating makes the fuels more susceptible to ignition and allows the fire to spread more rapidly. In contrast, when the fire moves on level ground or down slope, the fuels are not pre-heated, resulting in a slower spread of the fire. The other options, winds blowing stronger up slope and winds always moving up slope, are not relevant to the explanation of why fires spread more rapidly when moving up slope.

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  • 30. 

    Air flows clockwise around high-pressure systems and counterclockwise around low-pressure systems.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Air flows clockwise around high-pressure systems and counterclockwise around low-pressure systems due to the Coriolis effect. The Coriolis effect is caused by the rotation of the Earth, which deflects moving objects to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. In high-pressure systems, air descends and spreads out, causing it to rotate clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere. In low-pressure systems, air rises and converges, causing it to rotate counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.

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  • 31. 

    It is the morning of the burn, you are the fire boss, and the crew is on-site. The weather forecast for the day calls for a 78°F high, the relative humidity of 40% and winds 10-15 mph from the south. At 8:30 am you check the weather with your belt weather kit and get the following readings: temperature of 55°F, the relative humidity of 80% and winds 6-8 from the south. You should:

    • Begin burning immediately to get your backfires started so as to be ready to start head fires later.

    • Call the fire off and send the crew home.

    • Continue to monitor the weather every 15 minutes and start burning when relative humidity and fine fuel moisture get right.

    • Call the weather service and tell them they are wrong.

    Correct Answer
    A. Continue to monitor the weather every 15 minutes and start burning when relative humidity and fine fuel moisture get right.
    Explanation
    The correct answer is to continue to monitor the weather every 15 minutes and start burning when relative humidity and fine fuel moisture get right. This is because the weather conditions at 8:30 am are not suitable for starting the burn. The temperature is lower than forecasted, the relative humidity is higher, and the winds are weaker. It is important to wait for the weather conditions to improve and become more favorable before starting the burn to ensure safety and effectiveness.

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  • 32. 

    When air temperature and dew point are the same, the relative humidity is

    • 50%

    • 25%

    • 100%

    Correct Answer
    A. 100%
    Explanation
    When the air temperature and dew point are the same, it means that the air is saturated with water vapor and cannot hold any more moisture. This is because the dew point is the temperature at which the air becomes saturated and condensation occurs. Therefore, the relative humidity in this scenario would be 100%, indicating that the air is holding the maximum amount of water vapor it can at that temperature.

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  • 33. 

    Burning head fires into backfires when fuel loads are heavy and winds are light will cause fire whirls and possible spot fires.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    When fuel loads are heavy and winds are light, burning head fires can create backfires. Backfires are intentionally set fires that burn against the wind direction, reducing the amount of fuel available for the main fire and helping to control its spread. However, in certain conditions, such as heavy fuel loads and light winds, backfires can cause fire whirls and spot fires. Fire whirls are rotating columns of flames that can become highly unpredictable and dangerous. Spot fires are small fires that ignite outside the main fire area, often carried by embers or burning debris. Therefore, the statement is true.

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  • 34. 

    A respectable estimate of fine fuel moisture can be attained by dividing the relative humidity by 5.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement suggests that dividing the relative humidity by 5 can provide a reasonable estimate of fine fuel moisture. This implies that there is a correlation between relative humidity and fine fuel moisture, where higher relative humidity indicates higher fine fuel moisture. While this estimation may not be completely accurate, it can still serve as a respectable approximation in certain situations. Therefore, the answer is true.

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  • 35. 

    The minimum wind speed for safe prescribed burning is:

    • 1-2 mph

    • 5-6 mph

    • 10 mph

    • 15+ mph

    Correct Answer
    A. 5-6 mph
    Explanation
    Prescribed burning refers to the practice of intentionally setting fires to manage vegetation and prevent the occurrence of uncontrolled wildfires. The minimum wind speed of 5-6 mph is considered safe for prescribed burning. This is because a gentle breeze helps to carry the fire, allowing for better control and reducing the risk of the fire spreading uncontrollably. Lower wind speeds may result in the fire burning too slowly or becoming stagnant, while higher wind speeds can cause the fire to spread rapidly and become difficult to manage. Therefore, a wind speed of 5-6 mph is optimal for safe prescribed burning.

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  • 36. 

    What kind of clothing should not be worn for prescribed fire?

    • Cotton shirts and pants

    • Nylon jackets and pants

    • Nomex or other arimid fibers

    Correct Answer
    A. Nylon jackets and pants
    Explanation
    Nylon jackets and pants should not be worn for prescribed fire because nylon is a synthetic material that melts when exposed to high heat. This can cause severe burns and injuries to the wearer. On the other hand, cotton shirts and pants are a better choice as they are made of natural fibers that are less likely to melt and provide some protection against heat. Nomex or other aramid fibers are also suitable for prescribed fire as they are flame-resistant and can withstand high temperatures.

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  • 37. 

    Who can write a prescribed burn plan?

    • Anyone that is a NRCS employee

    • NRCS employee with 16 hours of classroom training

    • NRCS employee with 8 hours of classroom training

    • A and c

    Correct Answer
    A. NRCS employee with 16 hours of classroom training
    Explanation
    The correct answer is NRCS employee with 16 hours of classroom training. This is because prescribed burning requires specialized knowledge and skills to ensure safety and effectiveness. By completing 16 hours of classroom training, an NRCS employee would have gained the necessary understanding of the principles and techniques involved in planning and executing a prescribed burn. This training would equip them with the knowledge to assess the site, develop a burn plan, and implement the burn safely and effectively.

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  • 38. 

    When igniting a fire you should light into the wind,  why?

    • To keep the smoke out of your eyes

    • To keep the fire from passing you

    • To reduce smoke inhalation

    • To keep the heat and flames away from you while lighting

    Correct Answer
    A. To keep the heat and flames away from you while lighting
    Explanation
    When igniting a fire, it is recommended to light into the wind in order to keep the heat and flames away from you while lighting. By doing so, the wind will blow the flames and heat in the opposite direction, reducing the risk of getting burned or injured. Additionally, lighting into the wind helps to prevent any sparks or embers from flying towards you, reducing the chances of accidents or injuries.

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  • 39. 

    The 1-hour time lag fuel category is

    • 0 to 1/4 inches in diameter

    • 1/4 to 1 inches in diameter

    • 1/4 to 2 inches in diameter

    • 1 to 3 inches in diameter

    Correct Answer
    A. 0 to 1/4 inches in diameter
    Explanation
    The correct answer is 0 to 1/4 inches in diameter. This fuel category refers to the size range of fuel particles that have a diameter between 0 and 1/4 inches. It is important to categorize fuel based on size as it affects the behavior and spread of fire. Smaller fuel particles in this category are more prone to ignition and can contribute to the rapid spread of fire.

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  • 40. 

    What is a sling psychometric used to measure?

    • Relative humidity

    • Wind speed

    • Fuel moisture

    • Air temperature

    • A and d

    • C and d

    Correct Answer
    A. A and d
    Explanation
    A sling psychrometer is used to measure both relative humidity and air temperature. It consists of two thermometers, one of which is covered with a wet cloth. By swinging the psychrometer in the air, the evaporation of the water on the wet cloth causes the temperature to decrease. The difference in temperature between the wet and dry thermometers can be used to calculate the relative humidity. Therefore, the correct answer is "a and d" because a sling psychrometer is used to measure both relative humidity and air temperature.

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  • 41. 

    All soils can benefit from prescribed burning

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Prescribed burning is a management technique used to control vegetation and reduce the risk of wildfires. While prescribed burning can be beneficial for certain types of soils, it is not true that all soils can benefit from it. The effectiveness of prescribed burning depends on various factors such as soil type, moisture content, and the specific goals of the land management. Some soils may be more susceptible to erosion or nutrient loss after a burn, making prescribed burning unsuitable or even detrimental for those soils. Therefore, it is incorrect to say that all soils can benefit from prescribed burning.

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  • 42. 

    As it relates to soil health a prescribed fire, compared to a wildfire, is intended to

    • Armor the soil

    • Minimize disturbance

    • Properly integrate livestock

    • Prescribed fire has nothing to do with soil health

    Correct Answer
    A. Minimize disturbance
    Explanation
    A prescribed fire, compared to a wildfire, is intended to minimize disturbance. Prescribed fires are intentionally set and carefully controlled to achieve specific objectives, such as reducing fuel loads, promoting ecosystem health, and maintaining biodiversity. By conducting prescribed fires, land managers can reduce the risk of uncontrolled, destructive wildfires while minimizing the impact on the soil and surrounding ecosystem. This helps to maintain soil health by preventing excessive heat and damage that can occur during uncontrolled wildfires.

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  • 43. 

    When juniper canopy exceeds 30%,

    • 10-hour time lag fuel moisture should be less than 6%

    • Dry, low relative humidity conditions should exist 7-14 days prior to burn

    • Light it up

    • Other brush management alternatives must be planned

    Correct Answer
    A. Other brush management alternatives must be planned
    Explanation
    When the juniper canopy exceeds 30%, it indicates that there is a dense growth of juniper trees. In such cases, it is important to consider other brush management alternatives rather than burning the area. This is because burning may not be effective in reducing the juniper canopy and may even pose a risk of spreading the fire. Therefore, it is necessary to plan and implement alternative methods to manage the brush in order to maintain the ecosystem balance and prevent potential hazards.

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  • 44. 

    What is the first principle in developing a soil health management system?

    • Living root year round

    • Maximize diversity

    • Minimize disturbance

    • Integrate livestock

    • Armor the soil

    Correct Answer
    A. Armor the soil
    Explanation
    Armor the soil is the first principle in developing a soil health management system. This means protecting the soil by covering it with organic matter such as mulch or cover crops. This helps to prevent erosion, retain moisture, and improve soil structure. By covering the soil, it also reduces weed growth and nutrient leaching. Armor the soil is an important step in maintaining soil health and promoting sustainable agriculture practices.

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  • 45. 

    Who can be the fire boss on a prescribed burn?

    • Landowner

    • NRCS employee serving as the landowner's designee

    • NRCS employee with class of burn authority for the prescribed burn

    • A and b

    • A and c

    • All of the above

    Correct Answer
    A. A and c
    Explanation
    The fire boss on a prescribed burn can be either the landowner or an NRCS employee with class of burn authority for the prescribed burn. This means that both options a and c are correct. The landowner has the authority to serve as the fire boss on their own property, while an NRCS employee with the necessary training and certification can also serve as the fire boss.

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  • 46. 

    What is the 60:40 rule for burning blacklines or backfires?

    • Temp < 60, Humidity > 40%, wind < 10 mph

    • Temp > 40, Humidity < 60%, wind > 10 mph

    • Temp > 60, Humidity < 40%, wind > 10 mph

    • Use a 60:40 diesel:gas mix in drip torch

    Correct Answer
    A. Temp < 60, Humidity > 40%, wind < 10 mph
    Explanation
    The 60:40 rule for burning blacklines or backfires states that the temperature should be below 60 degrees, the humidity should be above 40%, and the wind speed should be less than 10 mph. These conditions are ideal for controlled burning as they help to minimize the risk of the fire spreading uncontrollably.

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  • 47. 

    Using the psychometric slide rule, what is the relative humidity when the dry bulb temperature is 76° F and the wet bulb is 57°F?

    • 69%

    • 74%

    • 29%

    • 50%

    Correct Answer
    A. 29%
    Explanation
    The relative humidity can be determined using a psychometric slide rule, which takes into account the dry bulb temperature and the wet bulb temperature. In this case, when the dry bulb temperature is 76°F and the wet bulb temperature is 57°F, the relative humidity is calculated to be 29%.

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  • 48. 

    Which agency is responsible for regulating outdoor burning in Texas?

    • Texas Department of Agriculture-Texas Prescribed Burn Board

    • Texas Forest Service

    • Natural Resources Conservation Service

    • Texas Commission for Environmental Quality

    Correct Answer
    A. Texas Commission for Environmental Quality
    Explanation
    The Texas Commission for Environmental Quality is responsible for regulating outdoor burning in Texas. This agency is tasked with protecting the state's air and water quality, and they have the authority to enforce regulations and issue permits for outdoor burning activities. They work to ensure that burning is done safely and in compliance with environmental standards to minimize the impact on air quality and public health.

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  • 49. 

    Without special prescriptions and authorization, prescribed burning should not be attempted when air temperatures are greather than:

    • 80 degrees F

    • 70 degrees F

    • 60 degrees F

    • 90 degrees F

    Correct Answer
    A. 80 degrees F
    Explanation
    Prescribed burning is a technique used in land management to reduce fuel buildup and prevent wildfires. It involves intentionally setting controlled fires under specific conditions. The given correct answer states that prescribed burning should not be attempted when air temperatures are greater than 80 degrees F. This is because higher temperatures can lead to increased fire intensity and spread, making it difficult to control the fire. Additionally, hotter temperatures can also increase the risk of the fire spreading to unintended areas and causing damage. Therefore, it is important to avoid prescribed burning during high temperatures to ensure the safety and effectiveness of the technique.

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Quiz Review Timeline (Updated): Mar 18, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 18, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 24, 2013
    Quiz Created by
    CW047540

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