Florida Aquatic Pest Control questions with correct answers, Exams of Law

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Florida Aquatic Pest Control questions with

correct answers

Host specific Correct Answer-Refers to an organism that will only survive when it has a specific food source (the host) available. The term is used when referring to a biological control agent such as an insect that can survive only on the target pest (e.g. weed) that it is intended to suppress. Integrated Pest Management (IPM) Correct Answer-A pest management strategy that uses various combinations of pest control methods in a compatible manner to achieve satisfactory control and ensure favorable economic and environmental consequences. Maintenance control (of aquatic weeds) Correct Answer-A method for the control of aquatic plants in which control techniques are utilized in coordinated manner on a continuous basis in order to maintain the plant population at the lowest feasible level. Management goal Correct Answer-As applied to aquatic plant management, the amount and/or types of plants that will be controlled or allowed to grow to best satisfy all water uses. This is often formally agreed upon by representatives of all water use interests. Multi-use water body Correct Answer-A water body that is used for more than one purpose such as fishing, waterskiing, waterfowl hunting, and domestic water supply. Native plant Correct Answer-A plant species whose natural range includes Florida.

Nitrogen Correct Answer-A naturally occurring element in soils that is required in large amounts for plant growth and will stimulate the growth of aquatic plants if no other factors are limiting. Nonnative plant Correct Answer-A plant species introduced to Florida, purposefully or accidentally, from a natural range outside of Florida Phosphorus Correct Answer-A naturally occurring element in soils that is required in small amounts for plant growth and will stimulate the growth of aquatic plants (especially algae and floating plants) if no other factors are limiting. Plant nutrients Correct Answer-Elements, such as phosphorus and nitrogen, that are required for plant growth Productive water bodies Correct Answer-Those water bodies that support large amounts of plant growth as well as abundant aquatic organisms because they are high in nutrients, especially phosphorus and nitrogen. 2,4-D Correct Answer-Introduced in 1946, the first synthetic herbicide used. It was extremely effective and economical to use and was not toxic to fish, cattle, or humans. River and Harbor Act of 1899 Correct Answer-Federal legislation that authorized construction and operation of vessels and log booms for the removal and containment of water hyacinth in navigable waters of Florida and Louisiana Florida Department of Natural Resources (DNR) Correct Answer-Agency designated, in 1970, as Florida's lead agency in aquatic plant control; responsibilities later transferred to FWC

Florida Fish and Wildlife Conservation Commission (FWC) Correct Answer- Florida's lead agency for fish and wildlife management, formerly Florida Game and Freshwater Fish Commission United State Army Corps of Engineers (COE or USACE) Correct Answer-The engineering branch of the United States Army A lake that is used by fishermen, hunters, and water-skiers would best be defined as what kind of lake? Correct Answer-Multi-use lake Abundant in Florida soils, which is a plant nutrient that is often limiting to plant growth in lakes? Correct Answer-Phosphorus Which is a plant nutrient, common in fertilizer that limits plant growth if it is in short supply? Correct Answer-Nitrogen Which of the following is a nonnative plant that is problematic in Florida's waters? Correct Answer-Hydrilla What would be a likely management goal for a drainage canal? Correct Answer- Minimizing vegetation Which term best relates to integrated management of aquatic weeds? Correct Answer-Maintenance control Which is not one of the most common methods of integrated management of aquatic weeds? Correct Answer-Demolition

Which two nonnative plants influenced, prior to 1965, the development of aquatic plant management in Florida? Correct Answer-Waterhyacinth and alligatorweed Which of the following, after 1947, was used to effectively and economically control waterhyacinths, and was not toxic to humans, wildlife, or cattle? Correct Answer-2,4-D Which of the following initiated a limited herbicide spray program in 1952 using an airplane and spray-boat? Correct Answer-FG & FWFC Which of the following plants, first discovered in canals near Miami and Crystal River, changed the aquatic plant control situation in 1959? Correct Answer- Hydrilla Which of the following was named as Florida's lead agency for aquatic plant control by the Florida Weed Control Act of 1979? Correct Answer-DNR Which agency was the authority to direct and operate Florida's invasive plant management program, including aquatic plant management, transferred to in 2008? Correct Answer-FWC Aquatic Pest Control applicator Correct Answer-An individual who is licensed to use or supervise the use of restricted use pesticides, or other pesticides requiring licensure, used or applied to any standing or running water, including banks or shorelines, excluding infusion of chlorine gas as described in Category 7B and applicators engaged in public health related activities as defined in Chapter 388, Florida Statutes, and the rules thereunder. This category is valid for licensure of commercial and public applicators.

Continuing Education Unit (CEU) Correct Answer-Approximately one hour of study credit used to make up the total of 20 CEUs required for Aquatic Pest Control applicator recertification (4 Core + 16 Aquatic Category CEUs). EPA Correct Answer-U.S. Environmental Protection Agency, which is responsible for the federal regulation of the registration, manufacture, transportation, use and marketing or all pesticides in the United States. FDACS Correct Answer-Florida Department of Agricultural and Consumer Services, which is the state agency responsible for regulating pesticide use. Federal noxious weed Correct Answer-Plants that are prohibited from movement into and throughout the United States without a permit from the USDA FIFRA Correct Answer-Federal Insecticide, Fungicide, and Rodenticide Act, which is the law requiring that all pesticides used in the United States be labeled according to EPA's guidelines and every pesticide must be labeled for each crop and/or site for where it is intended to be used. Florida Pesticide Law Correct Answer-The law that governs the use of pesticides in Florida, which is administered by the Florida Department of Agricultural and Consumer Services. Recertification Correct Answer-The process by which licensed pesticide applicators accumulate continuing education units in order to keep the license valid. Restricted Use Pesticides (RUP) Correct Answer-Pesticide for retail sale to, and use by, only certified applicators or persons under their direct supervision and only for those purposes covered by the applicator's certification.

Which is the federal agency that regulated pesticides use in the United States? Correct Answer-EPA Which is the state agency that regulates pesticide use in Florida? Correct Answer- FDACS Which is the state agency for aquatic plant management in Florida? Correct Answer-FWC Plants that are prohibited from movement into and throughout the United States without a permit from the USDA are known as: Correct Answer-Federal Noxious Weeds Which is the state agency that has the authority to regulate plants listed on the Florida Noxious Weed List and Prohibited Aquatic Plant List? Correct Answer- FDACS An aquatic pest control license allows a person to apply: Correct Answer- Restricted use pesticides in or around water The practical knowledge that aquatic pest control applicators must demonstrate for certification is based upon the: Correct Answer-Category certification standards The cost of a 4-year license for Aquatic Pest Control commercial applicators is: Correct Answer-$ The location to take restricted use pesticide certification exams is at: Correct Answer-County extension offices that offer the service

The number of continuing education units (CEUs) that an Aquatic Pest Control applicator must obtain to keep the license valid: Correct Answer-4 Core and 16 Aquatic Pest Control A "restricted use pesticide" is one that is: Correct Answer-Only approved for purchase and use by certified applicators and those under their direct supervision Licensed pesticide applicators are required to make records of applications for which types of pesticides? Correct Answer-Pesticides classified as "restricted" How long must records of restricted use pesticide applications be maintained? Correct Answer-2 years Algae Correct Answer-Primitive, single-celled or multi-celled plants that lack (true) supporting or conducting tissues Blue-Green Algae Correct Answer-A group of algae that are especially troublesome because they can sometimes cause foul odors or off-flavor in fish, and can be toxic. Frond Correct Answer-The expanded leaf-like portion of ferns. Green Algae Correct Answer-A group of algae that are important to the ecology of water bodies but can also be problematic. Target plant(s) Correct Answer-Plant(s) to be controlled in an aquatic plant management effort

Nontarget plant(s) Correct Answer-Plant(s) not intended to be harmed in an aquatic plant management effort. What is the first step in developing an aquatic plant management plan? Correct Answer-Identify the target plant species and nontarget plant species that may be affected Algae do not have ________ compared to ferns and flowering plants. Correct Answer-Supporting or conducting tissue Which best describes filamentous algae? Correct Answer-Cells attached end to end Which best describes monocotyledonous plants? Correct Answer-Parallel leaf veins A plant that has parallel leaf veins hollow and cylindrical stems, swollen joints at intervals along the stem, and leaves that arise in two ranks would most likely be a _________. Correct Answer-Grass A plant that grows completely below the water surface and depends upon the surrounding water for support best describes a ___________ plant Correct Answer-Submersed The scientific name of a plant is important because it is _______. Correct Answer- Unambiguous Which characteristic, by itself, distinguishes giant water fern from water fern? Correct Answer-Hairs on the upper leaf surface are fused at the top

Which best describes torpedograss? Correct Answer-Hard, glossy, pointed rhizomes, ring of fine hairs at base of the leaf, rolled leaves with fine hairs on the upper surface, open inflorescence. Which best distinguishes American frogbit from waterhyacinth? Correct Answer- Silvery roots and rhizomes and branched leaf veins Which best describes hydrilla? Correct Answer-Leaves in whorls of 4-8, visible, coarse teeth on the leaf margin Which best describes waterhyacinth? Correct Answer-Numerous, dark-colored roots Which best describes waterlettuce? Correct Answer-Rosette of gray-green, densely hairy leaves Which plant has round floating leaves that are notched to the center with lobes pointed at the tip? Correct Answer-White Waterlily Which has several small teeth on one side of the leaf margin? Correct Answer- Coontail Which best describes alligatorweed? Correct Answer-Hollow stems, opposite leaves 96-hr LC50 Correct Answer-Concentration of herbicide in water that will kill 50% of a population of test organisms in 96 hours

Absorption Correct Answer-Movement of herbicide, after application, into living tissue of plants Adsorption Correct Answer-Adherence of a herbicide to a surface, such as a soil particle. Algaes Correct Answer-Primitive organisms made up of single cells that may be solitary or attached in filaments or colonies Algaecide Correct Answer-Chemical used to kill algae ALS inhibitor Correct Answer-Herbicides that inhibit acetolactate synthase enzyme Breakdown Correct Answer-Chemical transformation of a herbicide active ingredient into non-toxic compounds Carbonates Correct Answer-Inorganic compounds composed of carbon, oxygen, and another element such as calcium, which is prevalent in hard water. Cell membrane Correct Answer-Structure that surrounds the contents of a plant cell Cell membrane disruptor Correct Answer-Herbicide that kills plants by affecting cell membranes Contact herbicide Correct Answer-A herbicide that is absorbed into the plant and kills plant cells and tissue in the area impacted by the application, but the herbicide does not move within the plant vascular tissue after application

Diffusion Correct Answer-Movement of a dissolved substance from an area of higher concentration to lower concentration. Dilution Correct Answer-Movement of a herbicide from an area of higher concentration to lower concentration, which results in the initial concentration decreasing. Dissolved Oxygen (DO) Correct Answer-The amount of oxygen that is dissolved in water Environmental Protection Agency Correct Answer-The federal agency with the authority to promulgate and enforce pesticide law Enzyme Correct Answer-Protein produced by plants that regulates plant metabolic processes Enzyme inhibitor Correct Answer-Herbicide that kills plants by inhibiting an enzyme. Products are often specific to plant enzymes. Foliar active herbicide Correct Answer-A herbicide that is absorbed through the leaves of the plants Half-life Correct Answer-Time it takes for the concentration of a compound such as a herbicide to be reduced by half because of breakdown of the molecule Hard water Correct Answer-Expressed in concentration of CaCO3, water that is high (>50ppm CaCO3) in carbonates

Herbicide Correct Answer-Chemicals used for killing plants or severely interrupting their normal growth process Herbicide mechanism of action Correct Answer-Also referred to as the site of action, the exact location of inhibition, such as interfering with the activity of an enzyme within a metabolic pathway. Hydrolysis Correct Answer-Breakdown of a substance such as a herbicide when it chemically combines with water LD50 Correct Answer-Amount of herbicide required to provide a lethal dose to 50% of a population of test organisms Inactiviation Correct Answer-Chemical or physical combination of a herbicide with other substances, which causes it to lose its herbicidal properties. Macrophyte Correct Answer-Aquatic plant with vascular tissue that is not algae Maintenance control Correct Answer-A method for the control of aquatic plants in which control techniques are utilized in a coordinated manner on a continuous basis in order to maintain the plant population at the lowest feasible level Microbial breakdown Correct Answer-Chemical transformation or degradation of a compound such as a herbicide when it is acted upon by microbes Nonselective (broad spectrum) herbicide Correct Answer-Herbicide that will kill all plants in a target area

Parts per billion (PPB) Correct Answer-A method of expressing very dilute concentrations, in terms of how much of something there is in a billion of something else, such as the concentration of herbicide in water, for example, 0.00272 lb of herbicide active ingredient per acre foot is equivalent to 1 part per billion Parts per million (PPM) Correct Answer-A method of expressing very dilute concentrations, in terms of how much of something there is in a million of the other, such as the concentration of herbicide in water; for example 2.72 lbs of herbicide active ingredient per acre foot is equivalent to 1 part per million Pesticide registration Correct Answer-The process required by the Environmental Protection Agency to register a pesticide. Photolysis Correct Answer-Breakdown of a chemical compound such as a herbicide when it absorbs energy from sunlight. Photosynthesis Correct Answer-Plant process by which sunlight and water are converted to simple sugars (plant food) Photosynthesis inhibitor Correct Answer-Herbicide that kills plants by inhibiting photosynthesis in one of several different ways Phytoplankton Correct Answer-Small, primitive, single-celled or colonial algae that are suspended in the water. Residue tolerance Correct Answer-The maximum amount of a pesticide that is legally allowed in or on a commodity such as fish, crops or drinking water.

Root active herbicide Correct Answer-A herbicide that is absorbed by the roots of plants Selective herbicide Correct Answer-Herbicide that kills certain kinds of plants without causing significant injury to others Selectivity Correct Answer-The ability of a herbicide to cause injury to certain kinds of plants without causing significant injury to others. Soft Water Correct Answer-Expressed in concentration of CaCO3, water that is low (<50ppm CaCO3) in carbonates. Synthetic auxin Correct Answer-Herbicide that kill plants by mimicking auxin, a naturally occurring plant hormone Systemic (translocated) herbicide Correct Answer-A herbicide that moves within a plant to its site of action Transformation Correct Answer-Changes that occur to a herbicide active ingredient after its applied. Translocation Correct Answer-Movement of a substance, including a herbicide, within the vascular tissue (xylem or phloem) of a plant Zooplankton Correct Answer-Small, primitive, single-celled or colonial animals. Which is not a registered herbicide active ingredient in Florida? Correct Answer- Xylene

Which is a systematic aquatic herbicide active ingredient? Correct Answer- Triclopyr Which herbicide active ingredient is an organo-auxin type herbicide? Correct Answer-2,4-D Which herbicide active ingredient inhibits photosynthesis? Correct Answer-Diquat Which statement about the enzymes ALS and EPSP is false? Correct Answer-They are found in both plants and animals. Which is a false statement about cell membrane disrupters? Correct Answer-They work very slowly Which of the following can be considered the first assurance that a herbicide application will not result in unwanted impacts to human health or the environment? Correct Answer-Pesticide registration Which has the highest acute toxicity? Correct Answer-Nicotine What is the first thing that happens to a herbicide after it is applied to water? Correct Answer-Dilution The reaction (combination) of copper with carbonates in the water is an example of? Correct Answer-Inactivation Which is a result of hydrolysis and photolysis? Correct Answer-Breakdown

Residue tolerances are established at how many times lower than the concentration tolerated by test animals? Correct Answer-100 to 1000 Which word best describes the relationship among all of the organisms, macrophytes, phytoplankton, invertebrate animals, mammals in a habitat? Correct Answer-Interrelated Photosynthesis is used by what organisms to provide food for zooplankton? Correct Answer-Phytoplankton What provides protective cover for game fish? Correct Answer-Macrophytes Which describes the group of plants that most often cause weed problems that must be managed? Correct Answer-Nonnative What is a likely effect on phytoplankton when large amounts of macrophytes are killed in a water body? Correct Answer-Increased Which has the highest toxicity (lowest LC50) to fish in hard water? Correct Answer-Endothall alkylamine Copper is most toxic to fish in? Correct Answer-Soft water Fish begin to die when the concentraion of oxygen (DO) in water falls below? Correct Answer-1 ppm Oxygen enters the water most readily from? Correct Answer-Aquatic plants

Maintenance control refers to? Correct Answer-Maintaining aquatic plant populations at low densities Which best describes copper? Correct Answer-A naturally occurring element Which word best describes diquat? Correct Answer-Inactivated Which best describes potassium salt of endothall? Correct Answer-Low fish toxicity Which best describes fluridone? Correct Answer-Kills plants slowly Which best describes glyphosate? Correct Answer-Enzyme inhibitor Which best describes 2,4-D? Correct Answer-Organo-auxin herbicide Which best describes imazamox? Correct Answer-Enzyme inhibitor Which best describes imazapyr? Correct Answer-Enzyme inhibitor Which best describes penoxsulam? Correct Answer-Split applications Which best describes hydrogen peroxide? Correct Answer-Planktonic algae control Which best describes triclopyr? Correct Answer-Organo-auxin herbicide

Which best describes bipyribac-sodium? Correct Answer-Enzyme inhibitor Which best describes flumioxazin? Correct Answer-Most effective in water with pH less than 8. Which best describes topramezone? Correct Answer-Bleaches susceptible plants Biotype Correct Answer-A group of genetically identical organisms within a species Carotenoids Correct Answer-Plant pigments that serve a dual role - absorb light energy for use in photosynthesis and protect chlorophyll from photodamage Cross-resistance Correct Answer-Resistance to two or more herbicides resulting from the presence of a single resistance mechanism Mechanism of action Correct Answer-Also referred to as the site of action, the exact location of inhibition, such as interfering with the activity of an enzyme within a metabolic pathway Metabolism Correct Answer-The set of life-sustaining chemical transformations within the cells of living organisms. Mode of action Correct Answer-Plant process affected by a herbicide Multiple resistance Correct Answer-Resistance to several herbicides resulting from two or more distinct resistance mechanisms in the same plant

Resistance Correct Answer-The acquired ability of a plant to survive and reproduce following exposure to a dose of herbicide normally lethal to the wild type Susceptibility Correct Answer-The degree to which a plant is subject to injury or death due to a particular herbicide Tolerance Correct Answer-The inherent ability of a species to survive and reproduce after herbicide treatment WSSA Correct Answer-Weed Science Society of America Which would increase the likelihood of herbicide resistance? Correct Answer- Continual use of the same herbicides from the same chemical family What is the primary reason herbicide resistance develops? Correct Answer-The presence of a resistant biotype within the normal population What is the most common mechanism of herbicide resistance? Correct Answer- Altered target site Which of the following aquatic weed species are known to have herbicide-resistant populations in Florida? Correct Answer-Dotted duckweed and hydrilla What is the key factor in delaying or preventing the onset of herbicide resistance? Correct Answer-Rotating herbicides with different mechanisms of action

What is the purpose of assigning a group number to a herbicide active ingredient? Correct Answer-The group number assists managers in identifying the mechanism of action Agitation system Correct Answer-Mechanical or hydraulic system used for keeping a spray solution mixed in a spray tank system Blower type granular speader Correct Answer-A spreader that uses motor- generated air pressure to propel granules Bottom placement Correct Answer-A method of placing herbicide at or near the bottom of a water body Centrifugal granular spreader Correct Answer-A spreader that uses mechanical energy to sling granules Deep-water injection Correct Answer-A method of placing herbicide mixture deep in the water column Direct metering system Correct Answer-A spray system that draws diluent water from the water to be treated and mixes it with herbicide and adjuvants from metered values on the suction sides of the pump Invert emulsion Correct Answer-A mixture in which water droplets are suspended in oil Metering disk Correct Answer-A removable disk with an orifice used in certain types of nozzles

Nozzle Correct Answer-A fitting at the output end of a sprayer hose that meters the amount and pattern of spray mixture output Polymer Correct Answer-Compounds used to thicken a spray mixture output PSI Correct Answer-Pounds per square inch; a unit of pressure measurement Spray tank system Correct Answer-A spray system that uses a tank in which the herbicide, diluents, and adjuvents are mixed together before application Which type of system is often used when applying liquid herbicide to relatively smalls areas? Correct Answer-Spray tank Which is important for maintaining a uniform spray mixture and for mixing adjuvants such as inverting oils and polymers for spray tank applications? Correct Answer-Agitation system What should be considered when choosing hoses for a spray system? Correct Answer-Resistance to chemicals used A roller pump is best described as: Correct Answer-not often used for aquatic herbicide application Spray pattern, droplet size, and flow rate are determined by Correct Answer- Nozzle Which best describes an invert emulsion? Correct Answer-Thick, mayonnaise-like

Output from a spray system is most likely to __________ when polymer is added to the spray solution Correct Answer-Decrease What is the greatest advantage of using a blower type granular spreader, compared to a centrifugal spreader? Correct Answer-Less dust Acceptable tolerance interval Correct Answer-A range of values determined by manipulating a fixed percentage (usually +/- 10%) around some given value. Acre-feet Correct Answer-The average water depth, in feet, of a body of water multiplied by its surface area in acres. Actual travel speed Correct Answer-The actual distance traveled divided by divided by the amount of time required to travel that distance; also see the terms fpm and mph APM Correct Answer-Acres per minute treated by an applicator Broadcast application Correct Answer-Applying a pesticide uniformly to an entire target site Calibration Correct Answer-The process of measuring and adjusting equipment performance CFS Correct Answer-Cubic feet per second Diluent Correct Answer-Anything used to reduce the concentration of a pesticide product in order to ready it for use at a target site; water is a commonly used diluent

Effective swath width Correct Answer-Usually measured in feet; the width of the treatment path made by any application device that does not require overlap from a subsequent pass in order to be suitably treated FPM Correct Answer-Feet per minute; for most calibration arithmetic, fpm is the best form to express actual travel speed GPA Correct Answer-Gallons per acre; the standard unit of measure for spray volume in a calibration calculations GPM Correct Answer-Gallons per minute; the standard unit of measure for nozzle output in calibration calculations Label rate Correct Answer-A statement on a pesticide label indicating the amount of pesticide product (or active ingredient) that should be applied per unit area of a target site MPH Correct Answer-Miles per hour; an alternative measure of travel speed, sometimes used in nozzle selection charts, but usually not very useful for calibration arithmetic OPM Correct Answer-Ounces per minute PPB Correct Answer-Parts per billion PPM Correct Answer-Parts per million

Spray volume Correct Answer-The amount of spray mix (pesticide product + diluent) applied per unit area of a target site Surface acre Correct Answer-An area of water that is exactly 43,560 square feet Target site Correct Answer-The physical place at which pesticide control measures are to be directed What is calibration? Correct Answer-Calibration is the process of measuring and adjusting equipment performance How precise should calibration be? Correct Answer-The equipment should be within 10% of the desired output Why do you need to consider travel speed when calibrating most kinds of pesticide application equipment? Correct Answer-Actual travel speed is usually one of the main factors in calibration. The speed at which the equipment moves influences how much pesticide is applied to a target site. A sprayer is operated over a 400-ft test course run and it takes an average of 65 seconds to complete. What is the sprayer's speed in miles per hour? Correct Answer-400 ft/65 sec * 1 mile/5280 ft * 3600 sec/1 hr = 4.2 mph What is the swath width of a boom equipped with 6 nozzles spaced 20 inches apart? Correct Answer-Swath width = 6 nozzles * (20in/12 in per ft) = 10 feet You want to prepare a 4% solution for a 3-gallon backpack sprayer. How much product should you mix into the tank? Correct Answer-Part 1: 4% has a decimal equivalency of 0.04

Part 2: 0.04 * 3 gal = 0.12 gallons Part 3: Convert to ounces: 0.12 gal * 128 oz/gal = 15.4oz A centrifugal granular spreader was run over a test course until empty. The spreader traveled 430 feet. The spreader has an effective swath width of 28.5 feet. The amount of material placed in the hopper for the test was 16 lbs. What is the per acre application rate? Correct Answer-Part 1: 28.5 ft * 430 ft/43,560 sq ft per acre = 0.28 acres Part 2: 16 lb/0.28 acres = 57.1 lb per acre What is the GPA rate of a boom sprayer that has 8 nozzles spaced 18 inches apart and traveling at a speed of 1.5 mph if the average per-nozzle output is 0.87 gpm? Correct Answer-Equation: GPA = GPM * 5,940/MPH * W GPA = 0.87 GPM * 5,940/1.5 MPH * 18 in = 191.4 GPA A product label calls for an application rate of 8 ounces of product to be applied per treated surface acre. How much herbicide should be placed in a full 100 gallon tank if the sprayer is calibrated to apply 15 GPA? Correct Answer-Part 1: 100 gal/15 gpa = 6.67 acres treated with a full tank Part 2: 8 oz * 6.67 acres = 53.4 oz herbicide How many acres per minute are being treated if an applicator's speed is 195 feet per minute and its effective swath width is 16 feet? Correct Answer-16 feet * 195 fpm/43,560 sq ft = 0.07 apm A nozzle uniformity check was performed for a 4-nozzle boom. The following outputs were collected in a 1-minute period: 43, 47, 49 and 44 ounces. Do these 4 nozzles apply within the acceptable 10% range? Correct Answer-Part 1: 43 + 47 + 49 + 44/4 = 45.8oz Part 2: 45.8oz * 0.10 = 4.8oz