CATEGORY A - PESTICIDE
APPLICATIONS AND SAFETY PRACTICE
QUESTIONS
When wall voids and dead spaces must be treated from small openings, the most effective formulation
to use would be:
A. Liquid residual spray.
B. Granules.
C. Wettable powder.
D. Dust. - Answer-D. Dust.
The amount of drift increases as:
A. Nozzle size increases.
B. Droplet or particle size increases.
C. Wind speed increases.
D. Sprayer pressure decreases. - Answer-C. Wind speed increases
You are calibrating a sprayer. You find that your sprayer is putting out 2 gallons per minute of spray, and
that it takes 20 minutes for you to spray an acre of land. How much spray per acre is your sprayer
putting out?
A. 0.1 gallons per acre.
B. 10 gallons per acre.
C. 40 gallons per acre.
D. 160 gallons per acre.
D. 160 gallons per acre. - Answer-C. 40 gallons per acre.
,You know that a tank full of pesticide will cover 5 acres of land. You wish to apply a pesticide at a rate of
4 pints per acre. How many pints of pesticide should be placed in the tank?
A. 0.80 pints.
B. 1.25 pints.
C. 10 pints.
D. 20 pints. - Answer-D. 20 pints.
To clean a clogged nozzle, use:
A. Water or detergent and a soft brush.
B. A steel bristle brush.
C. A needle or pin.
D. Your mouth to blow it clear. - Answer-A. Water or detergent and a soft brush.
Dusters should be cleaned periodically and emptied of their contents when stored because most
insecticidal dusts:
A. Attract moisture, causing caking problems.
B. Breakdown quickly in storage.
C. Are highly corrosive, damaging the equipment.
D. Rapidly dry out, losing their effectiveness. - Answer-A. Attract moisture, causing caking problems.
You wish to spray weeds at a dosage rate of 5 pounds of weed killer in 100 gallons of water per acre.
How much weed killer will you need to spray 10 acres?
A. 2 pounds.
B. 5 pounds.
C. 50 pounds.
D. 500 pounds. - Answer-C. 50 pounds.
, You can increase the application rate by decreasing the:
A. Pressure.
B. Tank capacity.
C. Ground speed.
D. Size of the nozzle orifice. - Answer-C. Ground speed.
The adjustment of application equipment to apply a pesticide formulation at a desired application rate is
called:
A. Dilution.
B. Formulation.
C. Preventive maintenance.
D. Calibration. - Answer-D. Calibration.
The best method of making major changes in the output rate of sprayers is to change the:
A. Pressure.
B. Ground speed.
C. Nozzle size.
D. Viscosity of the spray formulation. - Answer-C. Nozzle size.
If your sprayer's output rate is 4 gallons per minute and you treat 2000 square feet per minute, then
your application rate is:
A. 1 gallon per 8000 square feet.
B. 2 gallons per 1000 square feet.
C. 4 gallons per 1000 square feet.
D. 8 gallons per 1000 square feet. - Answer-B. 2 gallons per 1000 square feet.
APPLICATIONS AND SAFETY PRACTICE
QUESTIONS
When wall voids and dead spaces must be treated from small openings, the most effective formulation
to use would be:
A. Liquid residual spray.
B. Granules.
C. Wettable powder.
D. Dust. - Answer-D. Dust.
The amount of drift increases as:
A. Nozzle size increases.
B. Droplet or particle size increases.
C. Wind speed increases.
D. Sprayer pressure decreases. - Answer-C. Wind speed increases
You are calibrating a sprayer. You find that your sprayer is putting out 2 gallons per minute of spray, and
that it takes 20 minutes for you to spray an acre of land. How much spray per acre is your sprayer
putting out?
A. 0.1 gallons per acre.
B. 10 gallons per acre.
C. 40 gallons per acre.
D. 160 gallons per acre.
D. 160 gallons per acre. - Answer-C. 40 gallons per acre.
,You know that a tank full of pesticide will cover 5 acres of land. You wish to apply a pesticide at a rate of
4 pints per acre. How many pints of pesticide should be placed in the tank?
A. 0.80 pints.
B. 1.25 pints.
C. 10 pints.
D. 20 pints. - Answer-D. 20 pints.
To clean a clogged nozzle, use:
A. Water or detergent and a soft brush.
B. A steel bristle brush.
C. A needle or pin.
D. Your mouth to blow it clear. - Answer-A. Water or detergent and a soft brush.
Dusters should be cleaned periodically and emptied of their contents when stored because most
insecticidal dusts:
A. Attract moisture, causing caking problems.
B. Breakdown quickly in storage.
C. Are highly corrosive, damaging the equipment.
D. Rapidly dry out, losing their effectiveness. - Answer-A. Attract moisture, causing caking problems.
You wish to spray weeds at a dosage rate of 5 pounds of weed killer in 100 gallons of water per acre.
How much weed killer will you need to spray 10 acres?
A. 2 pounds.
B. 5 pounds.
C. 50 pounds.
D. 500 pounds. - Answer-C. 50 pounds.
, You can increase the application rate by decreasing the:
A. Pressure.
B. Tank capacity.
C. Ground speed.
D. Size of the nozzle orifice. - Answer-C. Ground speed.
The adjustment of application equipment to apply a pesticide formulation at a desired application rate is
called:
A. Dilution.
B. Formulation.
C. Preventive maintenance.
D. Calibration. - Answer-D. Calibration.
The best method of making major changes in the output rate of sprayers is to change the:
A. Pressure.
B. Ground speed.
C. Nozzle size.
D. Viscosity of the spray formulation. - Answer-C. Nozzle size.
If your sprayer's output rate is 4 gallons per minute and you treat 2000 square feet per minute, then
your application rate is:
A. 1 gallon per 8000 square feet.
B. 2 gallons per 1000 square feet.
C. 4 gallons per 1000 square feet.
D. 8 gallons per 1000 square feet. - Answer-B. 2 gallons per 1000 square feet.
