Spray drift may be defined as? Particles that move out of the target area and deposit on adjoining
properties, a complex movement of pesticide chemicals out of the target
area and the movement of spray particles or droplets, granules or dust
particles away from the target site before the deposit.
Information that should be collected prior to an Crops to be treated, pest(s) to be controlled and the application rate
application would include:
After the pesticide has been selected, the Label
mixer/loader should check the _____ to understand all
of the requirements and warnings.
Pesticide labels change periodically? True
After selecting the product, the mixer/loader must Once a label is marked and filed it can be followed indefinitely as long as you
understand all of the requirements and warnings on are using the same activation ingredient with the same formulation.
the label, they should mark the label information that
is important for the job, and he should file the marked
label for future reference. Which of the following is not
true?
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,2026: (Aerial Category Exam ? Questions & Correct Answers | Study Resource)
When comparing a new label to a previously marked Registration numbers and other identification data, application rate and drop
and filed label the two should contain the same data, size spectrum, and wind limitations, susceptible crops, and state and federal
to which of the following should you pay close regulations.
attention?
The pilot must be briefed or should analyze all risks Areas susceptible to damage downwind such as crops, orchards, and garden.
and hazards of the product being applied and these Neighbors and businesses. Physical obstructions, bees, water, and wildlife
may include _____? habitat.
Two excellent ways to manage spray drift are ____? To control the spray droplet size and to spray when the air is calm.
A droplet having the diameter of 50-100 micrometers Mist
is similar to:
A droplet having a diameter of 500 micrometers is Light rain, medium agricultural sprays
similar to:
Pesticide particles X and Y have diameters of 150 Eight times greater than particle X
micrometers and 300 micrometers respectively. The
volume of particle Y is:
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, 2026: (Aerial Category Exam ? Questions & Correct Answers | Study Resource)
The spray particles emitted by a nozzle are: Of various sizes - a spectrum of droplet sizes
If 300 micrometers is the volume medium diameter of ½ greater than 300 micrometers, ½ less than 300 micrometers
a spray, then any volume of said spray will consist of
the following distribution of particle size.
Major factors in controlling drift that an aerial Weather, equipment, and product characteristics
applicator must consider are?
What is a water soluble polymer, also called a DCA Hydroxy-ethyl cellulose
(Drift Control Agent)
What specific characteristics of pesticide formulations Viscosity, Surface tension, Vapor pressure, and density
and carriers are known to affect the droplet size
spectrum?
When emitted from a spray nozzle operating at a An increased volume of droplets in the larger size range & a decreased
pressure that will produce spray, high viscosity spray volume of droplets in the smaller size range.
mixes - as compared to lower viscosity spray mixes -
are expected to produce sprays with?
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