MN Pesticide Applicators Cat A and Core Exam
Latest 2025 Complete 200 Actual Exam
Questions with Correct Verified Answers/
Graded A+
Which of the following factors has NO effect on off-target pesticide drift?
A. Nozzle orientation.
B. Spray pressure.
C. Constant 3 mph wind.
D. Physical properties of the spray mixture. - Correct Answer - C. Constant 3 mph wind.
Wider-angle spray nozzles usually produce droplets than narrower spray
nozzles.
A. Coarser.
B. More uniform.
C. Less uniform.
D. Finer. - Correct Answer - D. Finer.
The most effective boom lengths for reducing the amount of drift are:
A. 90% of the wingspan or the rotor span.
B. 75% of the wingspan or the rotor span.
C. 65% of the wingspan or the rotor span.
D. 50% of the wingspan or the rotor span. - Correct Answer - B. 75% of the wingspan or
the rotor span.
pg. 1
,Aside from external factors, the most important factors affecting off-target
drift are:
A. Physical properties of the spray mixture.
B. Extremely high or low temperatures.
C. The size of the spray droplets and the percentage of droplets within a certain size
range.
D. Conditions leading to a temperature inversion layer. - Correct Answer - C. The size
of the spray droplets and the percentage of droplets within a certain size range.
Driftable fines are droplets in the size range of:
A. Larger than 500 microns.
B. 300 to 500 microns.
C. 200 to 300 microns.
D. 50 to 200 microns. - Correct Answer - D. 50 to 200 microns.
The droplet size at which spray drift becomes a concern is:
A. 50 microns and below.
B. 100 microns and below.
C. 200 microns and below.
D. 300 microns and below. - Correct Answer - C. 200 microns and below.
Aircraft suitable for aerial application of pesticides must be:
A. Registered with the U.S. EPA.
B. Constructed entirely of corrosion resistant materials.
C. Equipped with DGPS navigational equipment.
pg. 2
,D. Able to lift, transport, and disperse pesticides safely. - Correct Answer -
D. Able to lift, transport, and disperse pesticides safely.
One of the reasons for an adequate vent in the aircraft pesticide tank is to:
A. Release excess pressure.
B. Allow the pump to function efficiently.
C. Prevent a vacuum from altering the normal flow of liquid.
D. Keep the pesticide mixture uniform. - Correct Answer - C. Prevent a vacuum from
altering the normal flow of liquid.
The purpose of baffles inside a liquid spray tank is to:
A. Assure even mixing of the spray material.
B. Prevent extreme pressure changes in the system.
C. Reduce sloshing of the liquid during flight.
D. Eliminate foaming of the spray mixture. - Correct Answer - C. Reduce sloshing of the
liquid during flight.
Hydraulic agitation of the mixture in the aircraft spray tank requires:
A. An external power source.
B. Sufficient pump output capacity.
C. Baffles mounted inside the tank.
D. Proper tank ventilation. - Correct Answer - B. Sufficient pump output capacity.
A proper functioning positive cutoff valve with a suck-back feature will
supply pressure to the boom and nozzles when the spray flow is stopped.
A. High negative.
pg. 3
, B. Low negative.
C. High positive.
D. Low positive. - Correct Answer - B. Low negative.
The purpose of bleed valves at the ends of the spray boom is to:
A. Prevent spray from continuing to flow from nozzles after the spray valve is closed.
B. Prevent pressure from building up from trapped air when the spray valve is opened.
C. Make cleaning the inside of the spray boom easier.
D. Reduce internal corrosion of the spray boom. - Correct Answer - B. Prevent pressure
from building up from trapped air when the spray valve is opened.
To accommodate for the influence of prop wash on spray pattern, it is
necessary to:
A. Regulate the output flow to the nozzles.
B. Adjust the speed of the aircraft.
C. Reposition the nozzles on the spray boom.
D. Decrease the pump speed. - Correct Answer - C. Reposition the nozzles on the
spray boom.
The advantage of an electronic sprayer volume controller is that it:
A. Maintains the same spray output as airspeed changes.
B. Reduces or increases the spray output as airspeed changes.
C. Maintains the same spray output as altitude changes.
D. Reduces or increases the spray output as altitude changes. -
Correct Answer - B. Reduces or increases the spray output as
airspeed changes
pg. 4
Latest 2025 Complete 200 Actual Exam
Questions with Correct Verified Answers/
Graded A+
Which of the following factors has NO effect on off-target pesticide drift?
A. Nozzle orientation.
B. Spray pressure.
C. Constant 3 mph wind.
D. Physical properties of the spray mixture. - Correct Answer - C. Constant 3 mph wind.
Wider-angle spray nozzles usually produce droplets than narrower spray
nozzles.
A. Coarser.
B. More uniform.
C. Less uniform.
D. Finer. - Correct Answer - D. Finer.
The most effective boom lengths for reducing the amount of drift are:
A. 90% of the wingspan or the rotor span.
B. 75% of the wingspan or the rotor span.
C. 65% of the wingspan or the rotor span.
D. 50% of the wingspan or the rotor span. - Correct Answer - B. 75% of the wingspan or
the rotor span.
pg. 1
,Aside from external factors, the most important factors affecting off-target
drift are:
A. Physical properties of the spray mixture.
B. Extremely high or low temperatures.
C. The size of the spray droplets and the percentage of droplets within a certain size
range.
D. Conditions leading to a temperature inversion layer. - Correct Answer - C. The size
of the spray droplets and the percentage of droplets within a certain size range.
Driftable fines are droplets in the size range of:
A. Larger than 500 microns.
B. 300 to 500 microns.
C. 200 to 300 microns.
D. 50 to 200 microns. - Correct Answer - D. 50 to 200 microns.
The droplet size at which spray drift becomes a concern is:
A. 50 microns and below.
B. 100 microns and below.
C. 200 microns and below.
D. 300 microns and below. - Correct Answer - C. 200 microns and below.
Aircraft suitable for aerial application of pesticides must be:
A. Registered with the U.S. EPA.
B. Constructed entirely of corrosion resistant materials.
C. Equipped with DGPS navigational equipment.
pg. 2
,D. Able to lift, transport, and disperse pesticides safely. - Correct Answer -
D. Able to lift, transport, and disperse pesticides safely.
One of the reasons for an adequate vent in the aircraft pesticide tank is to:
A. Release excess pressure.
B. Allow the pump to function efficiently.
C. Prevent a vacuum from altering the normal flow of liquid.
D. Keep the pesticide mixture uniform. - Correct Answer - C. Prevent a vacuum from
altering the normal flow of liquid.
The purpose of baffles inside a liquid spray tank is to:
A. Assure even mixing of the spray material.
B. Prevent extreme pressure changes in the system.
C. Reduce sloshing of the liquid during flight.
D. Eliminate foaming of the spray mixture. - Correct Answer - C. Reduce sloshing of the
liquid during flight.
Hydraulic agitation of the mixture in the aircraft spray tank requires:
A. An external power source.
B. Sufficient pump output capacity.
C. Baffles mounted inside the tank.
D. Proper tank ventilation. - Correct Answer - B. Sufficient pump output capacity.
A proper functioning positive cutoff valve with a suck-back feature will
supply pressure to the boom and nozzles when the spray flow is stopped.
A. High negative.
pg. 3
, B. Low negative.
C. High positive.
D. Low positive. - Correct Answer - B. Low negative.
The purpose of bleed valves at the ends of the spray boom is to:
A. Prevent spray from continuing to flow from nozzles after the spray valve is closed.
B. Prevent pressure from building up from trapped air when the spray valve is opened.
C. Make cleaning the inside of the spray boom easier.
D. Reduce internal corrosion of the spray boom. - Correct Answer - B. Prevent pressure
from building up from trapped air when the spray valve is opened.
To accommodate for the influence of prop wash on spray pattern, it is
necessary to:
A. Regulate the output flow to the nozzles.
B. Adjust the speed of the aircraft.
C. Reposition the nozzles on the spray boom.
D. Decrease the pump speed. - Correct Answer - C. Reposition the nozzles on the
spray boom.
The advantage of an electronic sprayer volume controller is that it:
A. Maintains the same spray output as airspeed changes.
B. Reduces or increases the spray output as airspeed changes.
C. Maintains the same spray output as altitude changes.
D. Reduces or increases the spray output as altitude changes. -
Correct Answer - B. Reduces or increases the spray output as
airspeed changes
pg. 4
