AERIAL APPLICATIONS EXAM WITH FULL PACK SOLUTIONS
1.Off-Target cMovement: capplication ccondition cwhere cpesticides cor
cpesticide cresidues cleave cthe capplication csite cat cany ctime cand cin cany
cmanner cother cthan cDURING cthe capplication
2.List cexamples cof cOff-Target cMovement: cpost capplication cvolatilization,
cleaching, crunoff, cblowing, cinversion cclouds, cas cwell cas ccontact cfrom
cvehicles, cpeople, cand canimals
3.Spray cDrift: cmovement cof cpesticide cthrough cthe cair cat cthe ctime
cof capplication, cbefore cadhering cto cthe cintended ctreatment csite
4.Micron: cunit cof cmeasure cfor cthe cdiameter cof ca cspray cdroplet
5.T/F cThe clonger ca cspray cdroplet cremains cairborne cor csuspended cin cthe
cair, cthe cgreater cthe cchance cit cwill cdrift cfrom cthe capplication csite: cTrue
6.T/F cA csmall cdroplet cis cmore csusceptible cto cdrift cthan ca clarger cdroplet:
cTrue
7.Driftable cFines: cdroplets cthat care c150-200 cmicrons cor csmaller
8.All cnozzles cproduce ca crange cof cdroplet csizes cand cis cknown cas:
cDroplet cSize cSpectrum
9.What cshould cyou cconsult cwhen cselecting cnozzles cfor capplications?:
cThe cPesticide cLabel
10.What care c3 cphysical cproperties cof ca cspray cmixture cthat chave
csignificant ceffect con cdroplet csize cin caerial capplication?: c-Dynamic
1 c/
c11
, cSurface cTension
-Extensional cViscosity
-Shear cViscosity
11.Dynamic cSurface cTension: cforce cthat ckeeps cdroplets ctogether, cif cit
ccontains cad- cjuvants cthe cnormal csurface ctension cchanges, cmeasuring
csurface ctension cof cdroplets ccan cchange cafter cbeing cformed, csplitting
clarge cdroplets cinto ctwo
12.Extensional cViscosity: cwhen ca cpop cforces cliquid cthrough ca cnozzle cit
cstretches cbefore cbreaking coff ca cdroplet, cthe camount cof cstretchiness
cor c"stringiness" cis cEV
13.Shear cViscosity: ca cliquids cresistance cto cflow
14.List cexternal cfactors caffecting cdroplet csize cand cdrift....: c-Evaporation
-Co-Distillation
-Wind cand cThermals
-Temp cInversions
15.Effects cof cevaporation con cdroplet csize...: cincreasing ctemp ccan clead
cto cthis, cdecreased chumidity callows cfor ca cmore crapid cprocess,
cincreased cwith chigher cair cmovement, cthe cfurther cthe cdistance cfrom
cthe cground cthe cmore cprone cdroplets care cto cthis ceffect
16.Co-Distillation: cpesticides cmoving coffsite cafter ccoming cinto
ccontact cwith chot csurfaces clike csoil, cinstant cevaporation
17.Temperature cInversions: cpesticide capplied care cstuck cin clow clying cair
cthat ccan cbe ccarried caway
2 c/
c11
1.Off-Target cMovement: capplication ccondition cwhere cpesticides cor
cpesticide cresidues cleave cthe capplication csite cat cany ctime cand cin cany
cmanner cother cthan cDURING cthe capplication
2.List cexamples cof cOff-Target cMovement: cpost capplication cvolatilization,
cleaching, crunoff, cblowing, cinversion cclouds, cas cwell cas ccontact cfrom
cvehicles, cpeople, cand canimals
3.Spray cDrift: cmovement cof cpesticide cthrough cthe cair cat cthe ctime
cof capplication, cbefore cadhering cto cthe cintended ctreatment csite
4.Micron: cunit cof cmeasure cfor cthe cdiameter cof ca cspray cdroplet
5.T/F cThe clonger ca cspray cdroplet cremains cairborne cor csuspended cin cthe
cair, cthe cgreater cthe cchance cit cwill cdrift cfrom cthe capplication csite: cTrue
6.T/F cA csmall cdroplet cis cmore csusceptible cto cdrift cthan ca clarger cdroplet:
cTrue
7.Driftable cFines: cdroplets cthat care c150-200 cmicrons cor csmaller
8.All cnozzles cproduce ca crange cof cdroplet csizes cand cis cknown cas:
cDroplet cSize cSpectrum
9.What cshould cyou cconsult cwhen cselecting cnozzles cfor capplications?:
cThe cPesticide cLabel
10.What care c3 cphysical cproperties cof ca cspray cmixture cthat chave
csignificant ceffect con cdroplet csize cin caerial capplication?: c-Dynamic
1 c/
c11
, cSurface cTension
-Extensional cViscosity
-Shear cViscosity
11.Dynamic cSurface cTension: cforce cthat ckeeps cdroplets ctogether, cif cit
ccontains cad- cjuvants cthe cnormal csurface ctension cchanges, cmeasuring
csurface ctension cof cdroplets ccan cchange cafter cbeing cformed, csplitting
clarge cdroplets cinto ctwo
12.Extensional cViscosity: cwhen ca cpop cforces cliquid cthrough ca cnozzle cit
cstretches cbefore cbreaking coff ca cdroplet, cthe camount cof cstretchiness
cor c"stringiness" cis cEV
13.Shear cViscosity: ca cliquids cresistance cto cflow
14.List cexternal cfactors caffecting cdroplet csize cand cdrift....: c-Evaporation
-Co-Distillation
-Wind cand cThermals
-Temp cInversions
15.Effects cof cevaporation con cdroplet csize...: cincreasing ctemp ccan clead
cto cthis, cdecreased chumidity callows cfor ca cmore crapid cprocess,
cincreased cwith chigher cair cmovement, cthe cfurther cthe cdistance cfrom
cthe cground cthe cmore cprone cdroplets care cto cthis ceffect
16.Co-Distillation: cpesticides cmoving coffsite cafter ccoming cinto
ccontact cwith chot csurfaces clike csoil, cinstant cevaporation
17.Temperature cInversions: cpesticide capplied care cstuck cin clow clying cair
cthat ccan cbe ccarried caway
2 c/
c11
