MDARD Michigan Core Pesticide Applicator
Exam Core Info with correct answers
Which is the pesticide formulation process by which solid particles are dispersed in a
liquid?
suspension?
Which liquid pesticide formulation consists of a small amount of active ingredient (1% or
less per unit volume)?
RTU, ready to use (low concentrate) solution
Which liquid pesticide formulation may approach 100% active ingredient?
ULV, ultra low volume
Which is a disadvantage of both EC and ULV formulations?
a) difficult to handle, transport, and store
b) require constant agitation to keep in suspension
c) solvents may cause rubber or plastic hoses, gaskets, pump parts, and other surfaces to
deteriorate
c) solvents may cause rubber or plastic hoses, gaskets, pump parts, and other surfaces to
deteriorate
Which dry/solid formulation is mixed in water and reduces the risk of inhalation exposure
during mixing and loading?
,Water-dispersible granule (WDG) or dry flowable (DF)
Which type of dry/solid pesticide formulation consists of particles that are the same weight
and shape?
pellet
Which is an advantage of microencapsulated materials?
a) delayed or slow release of active ingredient prolongs their effectiveness
b) their pesticidal activity is independent of weather conditions
c) they usually require only short restricted entry intervals
a) delayed or slow release of active ingredient prolongs their effectiveness
Which type of adjuvant functions as a wetting agent and spreader (ie physically altering
the surface tension of spray droplets) ?
surfactant
Which type of adjuvant increases the viscosity of spray mixtures?
thickener
What is A an abbreviation for?
Aerosol
What is AF an abbreviation for?
Aqueous Flowable
What is B an abbreviation for?
,bait
What is C an abbreviation for?
concentrate
What is D an abbreviation for?
Dust
What is DF an abbreviation for?
Dry flowable
What is E or EC an abbreviation for?
emulsifiable concentrate
What is F an abbreviation for?
flowable
What is G an abbreviation for?
granules
What is GL an abbreviation for?
gel
What is L an abbreviation for?
liquid
What is LC an abbreviation for?
, liquid concentrate
What is LV an abbreviation for?
low volatile
What is M an abbreviation for?
microencapsulated
What is P or PS an abbreviation for?
pellets
What is RTU an abbreviation for?
ready to use
What is S an abbreviation for?
solution
What is SP an abbreviation for?
soluble powder
What is ULV an abbreviation for?
ultra low volume
What is W or WP an abbreviation for?
wettable powder
What is WDG an abbreviation for?
Exam Core Info with correct answers
Which is the pesticide formulation process by which solid particles are dispersed in a
liquid?
suspension?
Which liquid pesticide formulation consists of a small amount of active ingredient (1% or
less per unit volume)?
RTU, ready to use (low concentrate) solution
Which liquid pesticide formulation may approach 100% active ingredient?
ULV, ultra low volume
Which is a disadvantage of both EC and ULV formulations?
a) difficult to handle, transport, and store
b) require constant agitation to keep in suspension
c) solvents may cause rubber or plastic hoses, gaskets, pump parts, and other surfaces to
deteriorate
c) solvents may cause rubber or plastic hoses, gaskets, pump parts, and other surfaces to
deteriorate
Which dry/solid formulation is mixed in water and reduces the risk of inhalation exposure
during mixing and loading?
,Water-dispersible granule (WDG) or dry flowable (DF)
Which type of dry/solid pesticide formulation consists of particles that are the same weight
and shape?
pellet
Which is an advantage of microencapsulated materials?
a) delayed or slow release of active ingredient prolongs their effectiveness
b) their pesticidal activity is independent of weather conditions
c) they usually require only short restricted entry intervals
a) delayed or slow release of active ingredient prolongs their effectiveness
Which type of adjuvant functions as a wetting agent and spreader (ie physically altering
the surface tension of spray droplets) ?
surfactant
Which type of adjuvant increases the viscosity of spray mixtures?
thickener
What is A an abbreviation for?
Aerosol
What is AF an abbreviation for?
Aqueous Flowable
What is B an abbreviation for?
,bait
What is C an abbreviation for?
concentrate
What is D an abbreviation for?
Dust
What is DF an abbreviation for?
Dry flowable
What is E or EC an abbreviation for?
emulsifiable concentrate
What is F an abbreviation for?
flowable
What is G an abbreviation for?
granules
What is GL an abbreviation for?
gel
What is L an abbreviation for?
liquid
What is LC an abbreviation for?
, liquid concentrate
What is LV an abbreviation for?
low volatile
What is M an abbreviation for?
microencapsulated
What is P or PS an abbreviation for?
pellets
What is RTU an abbreviation for?
ready to use
What is S an abbreviation for?
solution
What is SP an abbreviation for?
soluble powder
What is ULV an abbreviation for?
ultra low volume
What is W or WP an abbreviation for?
wettable powder
What is WDG an abbreviation for?
