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
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