ACTUAL QUESTIONS WITH VERIFIED
ANSWERS.
1. Aside from external factors, the most important factors
affecting off-target drift are: - correct answer-The size of the
spray droplets and the percentage of droplets within a certain
size range.
2. Driftable fines are droplets in the size range of: - correct
answer-50 to 200 microns.
3. The droplet size at which spray drift becomes a concern is: -
correct answer-200 microns and below.
4. Aircraft suitable for aerial application of pesticides must be: -
correct answer-Able to lift, transport, and disperse pesticides
safely.
, 5. One of the reasons for an adequate vent in the aircraft
pesticide tank is to: - correct answer-Prevent a vacuum from
altering the normal flow of liquid.
6. The purpose of baffles inside a liquid spray tank is to: -
correct answer-Reduce sloshing of the liquid during flight
7. Hydraulic agitation of the mixture in the aircraft spray tank
requires: - correct answer-Sufficient pump output capacity.
8. A proper functioning positive cutoff valve with suck-back
feature will supply ______________pressure to the boom
and nozzles when the spray flow is stopped. - correct
answer-High positive.
9. The purpose of bleed valves at the ends of the spray boom is
to: - correct answer-Prevent from building up from pressure
trapped air when the valve is opened. spray
10. To accommodate for the influence of prop wash on spray
pattern, it is necessary to: - correct answer-Reposition the
nozzles on the boom. spray