Chapter 17 - Equipment Flashcards
Which of the following is not a type of support equipment?
a. filler pump
b. front-end loader
c. sprayer
c. sprayer
Which of the following must you consider in choosing pesticide application equipment for a job?
a. working conditions and type of target
b. pesticide formulation
c. possible problems
d. all of the above
d. all of the above (a. working conditions and type of target b. pesticide formulation c. possible problems)
Dusters are commonly used by gardeners and pest control operators for spot treatment of plants or small areas.
true or false?
true
Seeders and fertilizer spreaders often can be used to apply granules without equipment adjustments.
true or false?
true
A fogger is a good equipment choice when there is a sensitive area nearby and the wind is low.
true or false?
false
Which type of sprayer would you probably choose to treat a small garden in a residential area?
a. air-blast sprayer
b. hand-operated sprayer
c. mist blower
b. hand-operated sprayer
In general, only homeowners have good use for hand-operated sprayers.
true or false?
false
If you had to treat a few acres of forage crop and water was not easily available, what type of sprayer would you choose?
a. low-pressure boom sprayer
b. high-pressure sprayer
c. hand-operated sprayer
a. low-pressure boom sprayer
What sprayer would you use if the pesticide was formulated only as a wettable powder and the target crop had dense foliage?
a. low-pressure sprayer
b. high-pressure sprayer
c. hand-operated sprayer
b. high-pressure sprayer
Does a hydraulic sprayer have low-pressure or high-pressure?
high pressure
What type of sprayer would you use with a wettable powder formulation to treat an oak tree in a backyard?
a. low pressure sprayer
b. high pressure sprayer
c. hand operated sprayer
b. high-pressure sprayer
Which type of sprayer is more likely to cause you to injure sensitive vegetation or wildlife by overdosing with concentrated pesticides?
a. low pressure sprayer
b. high pressure sprayer
c. ULV
c. ULV
You must increase pressure ____ times to double the flow rate.
four
From which of the following may nozzles be made?
a. brass
b. plastic
c. stainless steel
d. all of the above
d. all of the above (a. brass b. plastic c. stainless steel)
Among nozzle materials, brass is the least resistant to wear.
true or false?
true
Which pump does not have an automatic pressure relief characteristic?
a. roller pump
b. centrifugal pump
c. piston pump
c. piston pump
Which is not an advantage of piston pumps?
a. maneuverability
b. there is no leakage inside the pump chamber
c. output is virtually unaffected by pressure
a. maneuverability
Which is a function of spray nozzles?
a. to regulate the flow of liquid
b. to atomize the liquid stream
c. to spread droplets in a specific pattern
d. all of the above
d. all of the above (a. to regulate the flow of liquid b. to atomize the liquid stream c. to spread droplets in a specific pattern)
Worn nozzle tips produce poor spray patterns and ______ flow rates than new nozzles.
higher
You should replace a used nozzle when flow rate varies _____ percent or more from a new nozzle.
5%
A sprayer should be cleaned after _____ days(s) of use.
each
When cleaning a sprayer, you should fill and flush the tank with water at least _____ times before using the cleaning solution.
two
