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NYS PCO Equipment and Calibration Flashcards

6 cards from real NYS PCO practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 NYS PCO Equipment and Calibration flashcards as text

  1. When applying a pesticide with a compressed air sprayer, proper technique requires maintaining the wand at:

    Answer: A consistent distance from the surface to achieve uniform coverage

    Maintaining a consistent wand-to-surface distance ensures uniform droplet size, pattern width, and application rate throughout the treatment.

  2. A ULV (Ultra Low Volume) machine is used primarily for:

    Answer: Producing very fine aerosol droplets for space or fogging applications

    ULV machines produce extremely small droplets (< 50 microns) for airborne space treatments targeting flying insects in indoor or outdoor environments.

  3. A pressure regulator on a power sprayer maintains:

    Answer: Consistent operating pressure at the nozzle regardless of engine speed variation

    Pressure regulators compensate for engine speed fluctuations and tank pressure changes to deliver consistent operating pressure at the nozzle.

  4. Backpack sprayer calibration for indoor pest control typically involves measuring output over:

    Answer: A timed test of nozzle flow (GPM) at the target operating pressure

    Accurate backpack calibration requires measuring actual nozzle output (GPM) at the specific operating pressure used during the job.

  5. What is the purpose of an anti-drip device (check valve) on a sprayer nozzle?

    Answer: To stop liquid flow when pressure drops below the operating threshold, preventing drips

    Anti-drip check valves close when operating pressure falls, preventing uncontrolled chemical dripping between spray passes.

  6. When mixing pesticides, the correct order of addition to the spray tank is:

    Answer: Fill tank halfway with water → add wettable powder or flowable → then remaining water

    Adding pesticide to a partially filled tank and filling with water while agitating prevents clumping and ensures proper suspension of the formulation.