12. Which piece of equipment is capable of dispensing either dry or liquid formulation?
a. Plunger duster.
b. 2-gallon sprayer.
c. Backpack sprayer/duster.
d. Hydraulic sprayer.
13. Water wettable powders cannot be used with the hydraulic insecticide sprayer
because it has no method of agitation.
a. True.
b. False.
14. The solid stream nozzle on the 2-gallon sprayer is used for:
a. Spot treatment.
b. Crack and crevice treatment.
c. Broadcast treatment.
d. Mosquito larvaciding.
15. Pesticide leaking into the pump cylinder of the 2-gallon sprayer usually indicates:
a. The O-ring is bad.
b. The nozzle tip is clogged.
c. The button valve is bad.
d. The leather cup is dry.
MD0171
3-21
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