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

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

What is “band spraying?” return

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

What is a “full or solid cone?” return

This type nozzle often is used for applying insecticides. ?

What is a “hollow cone?” return

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

What is “low, 10 to 40 PSI?” return

The XR designation on this nozzle stands for this. ?

What is “extended range?” return

The percent overlap recommended for this type of nozzle. ?

What is “30?” return

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

What are “slightly forward and slightly backward?” return

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

What is “85?” return

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

What is “nitrile?” return

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

What is “tyvek?” return

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

What are “mixing and loading?” return

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

What are “mists and dusts?” return

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

What is “8 hours?” return

This is the five- word name for this type of PPE. (FFAPR) ?

What is “full face air purifying respirator”? return

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

What is a “pressure relief/regulator valve”? return

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

What is a “boomless nozzle”? return

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

What is “measuring output?” return

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

What is “an in-line strainer”? return

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

What is an “off-center nozzle”? return

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

What is a “diaphragm check valve?” return

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

What is a “100-mesh nozzle strainer”? return

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

What is a “spinner?” return

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

What is “nozzle flow rate?” return

The output tolerance range, in percentages, for nozzles across a boom ?

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

To double output you must do this to the pressure. ?

What is “quadruple it?” return

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

What is a “calibration calculator?” return