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Pesticide Applicator Core Exam — Practice Exam

Formulations: practice questions

Our Pesticide Applicator Core bank has 22 questions on this topic. Here are 5 of them with answers; the full mock exam draws from every topic, like the real one.

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Question 1

What is a ready-to-use (RTU) formulation?

  1. A gas in a cylinder
  2. A concentrate that needs heavy dilution with water before use
  3. A low-concentrate product applied without mixing
  4. A dry powder for dusting
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C. A low-concentrate product applied without mixing — RTUs often contain 1% or less active ingredient.

Question 2

What is a disadvantage of both EC and ULV formulations?

  1. They need constant agitation
  2. They can't be used outdoors
  3. Their solvents can deteriorate rubber or plastic hoses, gaskets and pump parts
  4. They are always dusty
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C. Their solvents can deteriorate rubber or plastic hoses, gaskets and pump parts — Core manual, Chapter 4.

Question 3

What is an emulsifiable concentrate (EC)?

  1. An oil-based liquid with emulsifiers that forms a milky emulsion in water
  2. A dry powder that dissolves completely in water to form a true, clear solution
  3. Granules for direct application
  4. A gas used in fumigation
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A. An oil-based liquid with emulsifiers that forms a milky emulsion in water — Solvents in ECs can damage rubber and plastic parts.

Question 4

What is an advantage of granular formulations?

  1. They work without water or soil moisture
  2. Low drift and low applicator exposure
  3. They stick well to leaves
  4. They are always the cheapest option
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B. Low drift and low applicator exposure — They often need moisture to release the active ingredient.

Question 5

What is an adjuvant?

  1. The active ingredient in a pesticide
  2. A type of nozzle
  3. A chemical added to a pesticide mix to improve its performance or handling
  4. A container rinse method
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C. A chemical added to a pesticide mix to improve its performance or handling — Read both the pesticide and adjuvant labels.

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