WDI CLASS TEST LATEST
How much does 100 gallons weigh? - ANSWERS-830 lbs (8.34 lbs per
gallon)
How many pounds of 25% wettable powder must you add to 100 gallons
of water to get a 1% active ingredient mixture? - ANSWERS-33.2 lbs
(0.1x100x8..25)
True or False: If you use common sense and choose the right
formulation, the right pesticide and the right equipment, you can expect
a good control job. - ANSWERS-True
Which of the following must you consider in choosing pesticide
application equipment for a job? - ANSWERS-Working conditions and
type of target; Pesticide formulation; Possible problems
What sprayer would you use if the pesticide was formulated only as a
wettable powder and the target crop had dense foliage? - ANSWERS-
High pressure sprayer
True or False: Among nozzle materials, brass is the least resistant to
wear. - ANSWERS-True
END OF
PAGE
1
, WDI CLASS TEST LATEST
Which is a function of spray nozzles? - ANSWERS-To regulate the flow
of liquid; to atomize the liquid stream; to speed droplets in a specific
pattern
True or False: Even when you have the right mixture in your spray tank,
you can still apply the wrong amount of pesticide. - ANSWERS-True
True or False: Once your sprayer is calibrated, its delivery rate will
remain constant. - ANSWERS-False
How many square feet equal one acre? - ANSWERS-43,560
True or False: Wind can actually help reduce air pollution during an
inversion. - ANSWERS-True
True or False: Windy day application increases hazard to you and
bystanders. - ANSWERS-True
When does an inversion occur? - ANSWERS-When the surface air is
cooler than the air above it
END OF
PAGE
2
, WDI CLASS TEST LATEST
Why should you carefully dispose of surplus pesticides and empty
containers? - ANSWERS-To prevent escape of pesticide wastes into the
environment; to avoid potential health hazards to people and animals; to
satisfy legal requirements
What is the proper way to dispose of surplus concentrated pesticide that
is still in its original container? - ANSWERS-If it is unopened, return it
to the manufacturer or distributor; Give it to another certified applicator
to use
What should you do with rinsewater if you can't add it to the tank mix? -
ANSWERS-Apply it on a site with a similar pest problem
What should you do to dispose of empty metal, glass or plastic
containers? - ANSWERS-Try to return them for re-cycling
True or False: To triple-rinse a pesticide container, you should
completely fill the container with diluent for each rinse. - ANSWERS-
False
What type of pesticide container should not be punctured for disposal? -
ANSWERS-Aerosol
END OF
PAGE
3
How much does 100 gallons weigh? - ANSWERS-830 lbs (8.34 lbs per
gallon)
How many pounds of 25% wettable powder must you add to 100 gallons
of water to get a 1% active ingredient mixture? - ANSWERS-33.2 lbs
(0.1x100x8..25)
True or False: If you use common sense and choose the right
formulation, the right pesticide and the right equipment, you can expect
a good control job. - ANSWERS-True
Which of the following must you consider in choosing pesticide
application equipment for a job? - ANSWERS-Working conditions and
type of target; Pesticide formulation; Possible problems
What sprayer would you use if the pesticide was formulated only as a
wettable powder and the target crop had dense foliage? - ANSWERS-
High pressure sprayer
True or False: Among nozzle materials, brass is the least resistant to
wear. - ANSWERS-True
END OF
PAGE
1
, WDI CLASS TEST LATEST
Which is a function of spray nozzles? - ANSWERS-To regulate the flow
of liquid; to atomize the liquid stream; to speed droplets in a specific
pattern
True or False: Even when you have the right mixture in your spray tank,
you can still apply the wrong amount of pesticide. - ANSWERS-True
True or False: Once your sprayer is calibrated, its delivery rate will
remain constant. - ANSWERS-False
How many square feet equal one acre? - ANSWERS-43,560
True or False: Wind can actually help reduce air pollution during an
inversion. - ANSWERS-True
True or False: Windy day application increases hazard to you and
bystanders. - ANSWERS-True
When does an inversion occur? - ANSWERS-When the surface air is
cooler than the air above it
END OF
PAGE
2
, WDI CLASS TEST LATEST
Why should you carefully dispose of surplus pesticides and empty
containers? - ANSWERS-To prevent escape of pesticide wastes into the
environment; to avoid potential health hazards to people and animals; to
satisfy legal requirements
What is the proper way to dispose of surplus concentrated pesticide that
is still in its original container? - ANSWERS-If it is unopened, return it
to the manufacturer or distributor; Give it to another certified applicator
to use
What should you do with rinsewater if you can't add it to the tank mix? -
ANSWERS-Apply it on a site with a similar pest problem
What should you do to dispose of empty metal, glass or plastic
containers? - ANSWERS-Try to return them for re-cycling
True or False: To triple-rinse a pesticide container, you should
completely fill the container with diluent for each rinse. - ANSWERS-
False
What type of pesticide container should not be punctured for disposal? -
ANSWERS-Aerosol
END OF
PAGE
3
