Question Set 10 for the CEU Series

Below is Question Set 10 for the CEU article “All About Airblast Applications” from the article’s author: Steven Futch, 700 Experiment Station Road, Lake Alfred, FL 33850; eMail: shf@ufl.edu: Phone: 863-956-1151, ext. 202.

Submit your answers to Question Set 10, along with your license number, to be graded. If you answer enough questions correctly, you’ll receive a validated attendance form good for one ag tree crop and private categories for restricted use pesticide license renewal.

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1. Airblast sprayers have a series of nozzles that are arranged to allow the airstream to pass over the nozzle that is releasing the spray liquid.
A. True
B. False

2. By adjusting any one of the three following items: airflow, spray pressure, or selecting specific nozzles sizes, the spray droplet size can be modified in an airblast sprayer.
A. True
B. False

3. Spray volume in an airblast sprayer can be modified or adjusted by changing ground speed that the equipment is traveling through the grove, nozzle selection, nozzle size, pressure or the number of nozzles applying the spray into the airstream.
A. True
B. False

4. For pests that reside on the tree trunk, higher spray volumes are not required to adequately reach the target pest.
A. True
B. False

5. When selecting a spray volume to be applied, you do not need to check the selected pesticide label, as some pesticides do not have restrictions on the application volume allowed.
A. True
B. False

6. For airblast sprayers, the sprayer must have sufficient air output to effectively transport the spray droplets to the targeted site within or on the tree canopy.
A. True
B. False

7. Airblast sprayers will consist only of the following basic items: tank, agitation, pumps, strainers, and nozzles.
A. True
B. False

8. Agitation in the tank is essential to keep any materials in suspension allowing all applied materials to be of the same concentration during the entire application operation.
A. True
B. False

9. If the gauge will not zero, when not in use, it should be replaced.
A. True
B. False

10. Properly operating sprayer sensors will adjust the opening or closing of valves to apply spray material only into the section of the airstream where foliage is present.
A. True
B. False

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