Chapter 18 - Calibration Flashcards
Even when you have the right mixture in your spray tank, you can still apply the wrong amount of pesticide.
true or false?
true
Once your sprayer is calibrated, its delivery rate will remain constant.
true or false?
false
If your sprayer delivers less spray to each area than you want it to, how would you change the rate?
a. increase the pressure
b. reduce ground speed
c. change to larger nozzles
d. all of the above
d. all of the above (a. increase the pressure b. reduce ground speed c. change to larger nozzles)
What must you measure to calibrate granular application equipment?
a. the ground speed of the spreader
b. the weight of granules spread over a known area
c. the amount of granules placed in the spreader
b. the weight of granules spread over a known area.
You must calibrate granular application equipment each time you change granular products.
true or false?
true
How many square feet equal one acre?
43,560
Thirty-two ounces of water was collected from one spray nozzle in 30 seconds. What is the nozzle delivery rate in gallons per minute (GPM)?
a. .03 GPM
b. .5 GPM
c. 1.2 GPM
b. .5 GPM
How many square feet could you treat with a hand sprayer holding 1 gallon, if it takes 4 ounces of the spray mix to treat 100 square feet?
3200
Nozzle discharge rate and sprayer calibration should be checked with clean water before adding pesticide.
true or false?
true
