The nozzle ___ determines the flow rate and droplet pattern. - ✔✔ - tip
Drift can be minimized by selecting a nozzle that produce the smallest possible droplet
size. - ✔✔ - false
Applicators driving sprayers with enclosed cabs are exempt from wearing any personal
protective equipment. - ✔✔ - false
The strainer screen in a nozzle assembly ____________. - ✔✔ - keeps the nozzle tip
from clogging
If a nozzle with a 65° spray angle is changed to one with a 110° spray angle, the boom
must be _______ to keep the same coverage pattern. - ✔✔ - lowered
Hollow cone and full cone spray nozzles are best suited to apply pesticides evenly to
the soil surface. - ✔✔ - false
Strainer screens ARE NOT needed to catch product particles when applying only _____
formulations. - ✔✔ - EC
Which nozzle material is the best choice when applying mostly WP, DF, or WDG
formulations? - ✔✔ - stainless steel
Clean a clogged nozzle tip with a _________. - ✔✔ - soft brush
A check valve will help to ___________. - ✔✔ - prevent dripping when the pump is off
Flushing spray equipment with water is an effective way to remove residues of growth
regulator herbicides. - ✔✔ - false
Switching between granular products with smaller OR larger or lighter or heavier
granules requires adjusting the flow rate of a rotary spreader. - ✔✔ - true
, Which spreader will give a more even application of a mix of different sized or weight
granules? - ✔✔ - drop
Applicators driving sprayers with enclosed cabs are exempt from wearing any personal
protective equipment. - ✔✔ - false
In the ounce calibration method, 1 ounce of nozzle output equals ____ gallon(s) of
spray per acre. - ✔✔ - 1
Calibration of a boom sprayer requires determining the sprayer output over an area and
___. - ✔✔ - travel speed
The measured distance to travel in the ounce calibration method depends on the
_______. - ✔✔ - nozzle spacing
Flow rate of granular formulations through application devices _______ as temperature
and humidity rise. - ✔✔ - slows down
All granular pesticide formulations flow at the same rate regardless of size, weight,
shape, and texture. - ✔✔ - false
The minimum distance to allow between a pesticide mixing and loading site and a well,
lake, stream, or river is _____ feet. - ✔✔ - 1,000
Which of one the following statements is TRUE? - ✔✔ - back-siphoning cannot occur if
the end of the fill hose stays above the contents of the tank
Vapor drift is the uncontrolled movement of spray droplets away from the target site. -
✔✔ - false
Cutting a droplet in half results in _____ times the number of droplets with the same
total volume. - ✔✔ - 100
A network of fine lines or cracks on polyethylene spray tanks indicates _____________.
- ✔✔ - crazing due to sunlight and corrosive chemcials
Pesticide residues on and in spray equipment are easier to remove if they are allowed
to dry first. - ✔✔ - false
Drift can be minimized by selecting a nozzle that produce the smallest possible droplet
size. - ✔✔ - false
Applicators driving sprayers with enclosed cabs are exempt from wearing any personal
protective equipment. - ✔✔ - false
The strainer screen in a nozzle assembly ____________. - ✔✔ - keeps the nozzle tip
from clogging
If a nozzle with a 65° spray angle is changed to one with a 110° spray angle, the boom
must be _______ to keep the same coverage pattern. - ✔✔ - lowered
Hollow cone and full cone spray nozzles are best suited to apply pesticides evenly to
the soil surface. - ✔✔ - false
Strainer screens ARE NOT needed to catch product particles when applying only _____
formulations. - ✔✔ - EC
Which nozzle material is the best choice when applying mostly WP, DF, or WDG
formulations? - ✔✔ - stainless steel
Clean a clogged nozzle tip with a _________. - ✔✔ - soft brush
A check valve will help to ___________. - ✔✔ - prevent dripping when the pump is off
Flushing spray equipment with water is an effective way to remove residues of growth
regulator herbicides. - ✔✔ - false
Switching between granular products with smaller OR larger or lighter or heavier
granules requires adjusting the flow rate of a rotary spreader. - ✔✔ - true
, Which spreader will give a more even application of a mix of different sized or weight
granules? - ✔✔ - drop
Applicators driving sprayers with enclosed cabs are exempt from wearing any personal
protective equipment. - ✔✔ - false
In the ounce calibration method, 1 ounce of nozzle output equals ____ gallon(s) of
spray per acre. - ✔✔ - 1
Calibration of a boom sprayer requires determining the sprayer output over an area and
___. - ✔✔ - travel speed
The measured distance to travel in the ounce calibration method depends on the
_______. - ✔✔ - nozzle spacing
Flow rate of granular formulations through application devices _______ as temperature
and humidity rise. - ✔✔ - slows down
All granular pesticide formulations flow at the same rate regardless of size, weight,
shape, and texture. - ✔✔ - false
The minimum distance to allow between a pesticide mixing and loading site and a well,
lake, stream, or river is _____ feet. - ✔✔ - 1,000
Which of one the following statements is TRUE? - ✔✔ - back-siphoning cannot occur if
the end of the fill hose stays above the contents of the tank
Vapor drift is the uncontrolled movement of spray droplets away from the target site. -
✔✔ - false
Cutting a droplet in half results in _____ times the number of droplets with the same
total volume. - ✔✔ - 100
A network of fine lines or cracks on polyethylene spray tanks indicates _____________.
- ✔✔ - crazing due to sunlight and corrosive chemcials
Pesticide residues on and in spray equipment are easier to remove if they are allowed
to dry first. - ✔✔ - false
