TEXAS PESTICIDE APPLICATORS
GENERAL STANDARDS EXAM
QUESTIONS AND ANSWERS 100%
PASS
Why are poisonous baits often used in small amounts? - correct answer-baits are
needed only where pests gather
True or False: Granular formulations are made of larger, more uniform particles than
dust formulations. - correct answer-True.
What advantages do granules have over dusts and sprays? - correct answer-Drift less
Application is simpler
They penetrate dense foliage better
Why wouldn't you choose a granular if you were going to treat a tree or lettuce crop? -
correct answer-Not enough will stick to the leaves.
What formulation would you choose if you wanted little visible residue and only
moderate agitation? - correct answer-Emulsifiable concentrate
Why choose a low concentrate liquid formulation if you want to be sure to get the right
mixture? - correct answer-It is ready to be sprayed as purchased
Which formulation is very hazardous because it is highly concentrated and absorbed
easily by the skin? - correct answer-Emulsifiable concentrate
What is the difference between emulsifiable concentrates and flowables? - correct
answer-Flowables start as solids: emulsifiable concentrates start as liquids
,Would you choose an EC or a WP if phytotoxicity might be a problem? - correct answer-
WP
True or False: You should wear a respirator when mixing soluble or wettable powders. -
correct answer-True
What formulation would you choose if you wanted to penetrate cracks, soil, burrows,
and enclosed areas? - correct answer-Fumigant
What are disadvantages of fumigants? - correct answer-Can be applied only in
enclosed areas
- May be toxic enough to require full protective gear
Which pesticide formulations must be diluted before they are applied? - correct answer-
Wettable powders and emulsifiable concentrates
When is the best time to add pesticide to the spray tank? - correct answer-Immediately
before application
True of False: Mixing is the time when you are most likely to be exposed to pesticide
poisoning. - correct answer-True
Through which routes of entry are you likely to be exposed during pesticide mixing? -
correct answer-dermal and inhalation
___ devices keep spray mixture in the tank from escaping back through the hose into a
water source. - correct answer-antisiphoning
True or False: When you empty a pesticide container, you should rinse it out at least
three times. - correct answer-True
How much emulsifiable concentrate would you put in a 50 gallon tank, given the
directions above? - correct answer-1.5 pints
,True or False: You can mix all types of pesticides together without any problem. -
correct answer-False
What does chemical compatibility mean? - correct answer-Mixing the chemicals will not
produce a highly toxic solution.
How can you find out if two pesticides are compatible? - correct answer-Read the label
An ___ is a chemical added to the pesticide mixture that makes an active ingredient
more effective. - correct answer-adjuvant
For what kind of job would you use a spreader-sticker? - correct answer-Treatment of
waxy leaf surfaces
True or False: The most hazardous activities involving pesticides are mixing and loading
concentrates. - correct answer-True
For most pesticide sprays, what is the recommended PH level? - correct answer-from 4
to 6
When a pesticide is spilled accidentally, what should you do first? - correct answer-
Contain the spill
How much wettable powder would you put in a 450 gallon tank, given directions to add
3 pounds WP per 100 gallons of water? - correct answer-13.5 pounds
How much wettable powder would you put in an 80 gallon tank, given directions to add
3 pounds WP per 100 gallons of water? - correct answer-2.4 pounds
How much emulsifiable concentrate would you put in a 300 gallon tank, given directions
to add 3 pints EC per 100 gallons of water? - correct answer-9 pints
If 1 pound of WP is recommended per 100 gallons of water, how many tablespoons of
WP would you add to 1 gallon? - correct answer-1 tablespoon but I have no idea why...
, If 2 pints of EC are recommended per 100 gallons of water, how many teaspoons of EC
would you add to one gallon? - correct answer-2 teaspoons
How much does 100 gallons of water weigh? - correct answer-830 pounds
How much does 100 gallons of kerosene weigh? - correct answer-660 pounds
How many gallons of 25% emulsifiable concentrate (with 2 pounds pesticide per gallon)
would you add to a 50 gallon tank to get a 1% active ingredient mixture? - correct
answer-2.075 gallons
How many pounds of 25% wettable powder must you add to 100 gallons of water to get
a 1% active ingredient mixture? - correct answer-33.2 pounds
Name two types of support equipment. - correct answer-filler pump
- front end loader
What must you consider in choosing pesticide application equipment for a job? - correct
answer-working conditions and type of target
pesticide formulation
possible problems
True of False: Dusters are commonly used by gardeners and pest control operators for
spot treatment of plants or small areas. - correct answer-True
True or False: Seeders and fertilizer spreaders often can be used to apply granules
without equipment adjustments. - correct answer-True
True or False: A fogger is a good equipment choice when there is a sensitive area
nearby and the wind is low. - correct answer-False
Which type of sprayer would you probably choose to treat a small garden in a
residential area? - correct answer-Hand operated sprayer
GENERAL STANDARDS EXAM
QUESTIONS AND ANSWERS 100%
PASS
Why are poisonous baits often used in small amounts? - correct answer-baits are
needed only where pests gather
True or False: Granular formulations are made of larger, more uniform particles than
dust formulations. - correct answer-True.
What advantages do granules have over dusts and sprays? - correct answer-Drift less
Application is simpler
They penetrate dense foliage better
Why wouldn't you choose a granular if you were going to treat a tree or lettuce crop? -
correct answer-Not enough will stick to the leaves.
What formulation would you choose if you wanted little visible residue and only
moderate agitation? - correct answer-Emulsifiable concentrate
Why choose a low concentrate liquid formulation if you want to be sure to get the right
mixture? - correct answer-It is ready to be sprayed as purchased
Which formulation is very hazardous because it is highly concentrated and absorbed
easily by the skin? - correct answer-Emulsifiable concentrate
What is the difference between emulsifiable concentrates and flowables? - correct
answer-Flowables start as solids: emulsifiable concentrates start as liquids
,Would you choose an EC or a WP if phytotoxicity might be a problem? - correct answer-
WP
True or False: You should wear a respirator when mixing soluble or wettable powders. -
correct answer-True
What formulation would you choose if you wanted to penetrate cracks, soil, burrows,
and enclosed areas? - correct answer-Fumigant
What are disadvantages of fumigants? - correct answer-Can be applied only in
enclosed areas
- May be toxic enough to require full protective gear
Which pesticide formulations must be diluted before they are applied? - correct answer-
Wettable powders and emulsifiable concentrates
When is the best time to add pesticide to the spray tank? - correct answer-Immediately
before application
True of False: Mixing is the time when you are most likely to be exposed to pesticide
poisoning. - correct answer-True
Through which routes of entry are you likely to be exposed during pesticide mixing? -
correct answer-dermal and inhalation
___ devices keep spray mixture in the tank from escaping back through the hose into a
water source. - correct answer-antisiphoning
True or False: When you empty a pesticide container, you should rinse it out at least
three times. - correct answer-True
How much emulsifiable concentrate would you put in a 50 gallon tank, given the
directions above? - correct answer-1.5 pints
,True or False: You can mix all types of pesticides together without any problem. -
correct answer-False
What does chemical compatibility mean? - correct answer-Mixing the chemicals will not
produce a highly toxic solution.
How can you find out if two pesticides are compatible? - correct answer-Read the label
An ___ is a chemical added to the pesticide mixture that makes an active ingredient
more effective. - correct answer-adjuvant
For what kind of job would you use a spreader-sticker? - correct answer-Treatment of
waxy leaf surfaces
True or False: The most hazardous activities involving pesticides are mixing and loading
concentrates. - correct answer-True
For most pesticide sprays, what is the recommended PH level? - correct answer-from 4
to 6
When a pesticide is spilled accidentally, what should you do first? - correct answer-
Contain the spill
How much wettable powder would you put in a 450 gallon tank, given directions to add
3 pounds WP per 100 gallons of water? - correct answer-13.5 pounds
How much wettable powder would you put in an 80 gallon tank, given directions to add
3 pounds WP per 100 gallons of water? - correct answer-2.4 pounds
How much emulsifiable concentrate would you put in a 300 gallon tank, given directions
to add 3 pints EC per 100 gallons of water? - correct answer-9 pints
If 1 pound of WP is recommended per 100 gallons of water, how many tablespoons of
WP would you add to 1 gallon? - correct answer-1 tablespoon but I have no idea why...
, If 2 pints of EC are recommended per 100 gallons of water, how many teaspoons of EC
would you add to one gallon? - correct answer-2 teaspoons
How much does 100 gallons of water weigh? - correct answer-830 pounds
How much does 100 gallons of kerosene weigh? - correct answer-660 pounds
How many gallons of 25% emulsifiable concentrate (with 2 pounds pesticide per gallon)
would you add to a 50 gallon tank to get a 1% active ingredient mixture? - correct
answer-2.075 gallons
How many pounds of 25% wettable powder must you add to 100 gallons of water to get
a 1% active ingredient mixture? - correct answer-33.2 pounds
Name two types of support equipment. - correct answer-filler pump
- front end loader
What must you consider in choosing pesticide application equipment for a job? - correct
answer-working conditions and type of target
pesticide formulation
possible problems
True of False: Dusters are commonly used by gardeners and pest control operators for
spot treatment of plants or small areas. - correct answer-True
True or False: Seeders and fertilizer spreaders often can be used to apply granules
without equipment adjustments. - correct answer-True
True or False: A fogger is a good equipment choice when there is a sensitive area
nearby and the wind is low. - correct answer-False
Which type of sprayer would you probably choose to treat a small garden in a
residential area? - correct answer-Hand operated sprayer
