ACTUAL EXAM COMPLETE QUESTIONS AND
CORRECT ANSWERS |BRAND NEW VERSION!!
The number of fine droplets will _________ as pressure is
__________ or as the size of the nozzle orifice is
____________ - ANSWER--Increase-Increased-
decreased
Flat fan nozzles are typically used at low pressures like -
ANSWER--140-400 Kpa (20-60 PSI)
Pressure must be increased _______ times to double the
flow rate - ANSWER--4 times
,Contact insecticides should generally be applies with a
fine spray droplet , producing smaller droplets will: -
ANSWER--Increase coverage
Increase the sprays ability to penetrate dense canaopy
but will also increase the potential for drift
the international classification for VMD is: - ANSWER--
Volume Median Diameter
VF- Very Fine - <100 microns
F- Fine- 100-175 microns
M- Medium - 175 - 250 Microns
C- Coarse - 250-375 Microns
,VC- Very Coarse- 375-450 microns
XC- Extra Coarse >450 Microns
The sprayer application rate will spend on - ANSWER--
Spray width
Nozzle Output
Travel Speed
Increasing travel speed will ..... - ANSWER--Decrease the
sprayer application rate
Sprayer application rate can be measured by what two
methods? - ANSWER--Test Area Method
Times Output Method
, Droplet diameter from a ULV sprayer can be measured by
using what two techniques: - ANSWER--Collecting
droplets on a slide, examining with microscope
Hot wire anemometer
Optimal conditions for ULV adultitcide application will
occur during a..... - ANSWER--inversion
The Decision to consider a nuisance or vector control
program to reduce the mosquito population is normally
based on the following concerns : - ANSWER--Nuisance,
Economic, or Human Health