Chemical Application and Safety Jeopardy N.C. Cooperative Extension Robert H. Pleasants, Wayne County.

Chemical Application and Safety Jeopardy

N.C. Cooperative Extension

Robert H. Pleasants, Wayne County

Chemical Application and Safety Jeopardy

PPE & Such

Nozzle Knowledge

Calibration & Calculations

Equipment & Setup

This & That

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The type of spraying for which this nozzle is especially good.

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What is “band spraying?”

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This type of nozzle provides thorough coverage of the target site.

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What is a “full or solid cone?”

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This type nozzle often is used for applying insecticides.

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What is a “hollow cone?”

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The type of nozzle shown requires this type of pressure and range of pressure.

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What is “low, 10 to 40 PSI?”

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The XR designation on this nozzle stands for this.

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What is “extended range?”

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The percent overlap recommended for this type of nozzle.

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What is “30?”return

The two orifices here are oriented in these directions to improve penetration of the spray.

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What are “slightly forward and slightly backward?”

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This is the percentage by which your pesticide exposure is reduced when you use the PPE shown above.

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What is “85?”return

This is the very flexible, but strong, material commonly used now for certain PPE, like that shown here.

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What is “nitrile?”return

This lightweight material is a common fabric for suits like the one shown here.

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What is “tyvek?”return

You almost always need the type of PPE shown here when you are doing these two things.

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What are “mixing and loading?”

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The mask type of PPE shown here only protects you from inhalation of these two forms of pollutants.

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What are “mists and dusts?”

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This is the maximum time for which the cartridges in the type of PPE shown here are effective.

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What is “8 hours?”return

This is the five-word name for

this type of PPE. (FFAPR)

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What is “full face air purifying respirator”?

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This dual-function device is always located between the pump and the output site.

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What is a “pressure relief/regulator valve”?

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This type of nozzle uses a combination of off-center and other nozzles to produce a very wide spray swath up to 60 feet.

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What is a “boomless nozzle”?

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A graduated cup is used for this two-word process to make sure each nozzle on a boom is applying within a specified range.

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What is “measuring output?”

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This device, often installed between the tank and the pump, has a three-word name.

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What is “an in-line strainer”?

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Du to its unusual pattern, this nozzle type often is used in post-directed applications to spray up under crop foliage.

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What is an “off-center nozzle”?

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In addition to providing for quick-connect nozzle mounting, this assembly also has this inside to help prevent leakage.

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What is a “diaphragm check valve?”

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This is the complete four-word name for this device, which is rated as ”100.”

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What is a “100-mesh nozzle strainer”?

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On the spreader shown, this is the part that actually disperses the chemical.

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What is a “spinner?”

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The equipment and function, measured in GPM, that this device checks on a sprayer.

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What is “nozzle flow rate?”

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The output tolerance range, in percentages, for nozzles across

a boom

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What is “plus or minus 10 % of the average?”

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To double output you must do this to the pressure.

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What is “quadruple it?”

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The two-word name for the device shown below, which is very handy for preparing for accurate chemical application.

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What is a “calibration calculator?”

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