Exam Review: Key Concepts & Practice Questions
If in a catalog a nozzle was #8003 what does that number stand for? - correct answer -The last
two numbers stand for the GPM (gallons per minute) that the nozzle can put out at the pressure
given in the catalog. The numbers before the last two numbers represent that angle at which
the nozzle should be set
What does GPA stand for? - correct answer -Gallons per acre
What does the angle of the nozzle mean fore the boom sprayer? - correct answer -The wider
the angle the lower the boom sprayer can be to the ground
Why is it important to calibrate your equipment? - correct answer -prevents wasted product by
depositing required amount on target
What is the procedure for determining your travel speed on your equipment? - correct answer -
1- mark a test course 100 fet long in terrain similar to field
2- load sprayer 1/2 full of water
3- time the trip to the tenth of a second in both directions
4- average the two trips using the following formula: (course length in ft x 60)/(travel time in sec
x 88)= travel speed in mph
What information will you need off your label to calibrate your equipment? - correct answer -
application rate- GPA
nozzle type, droplet six, spray pattern
nozzle pressure- PSI
What are the steps for calibrating a boom sprayer? - correct answer -1- determine travel speed