EXERCISES, LESSON 3
INSTRUCTIONS: Answer the following exercises by marking the lettered response that
BEST answers the exercise, by completing the incomplete statement, or by writing the
answer in the space provided at the end of the exercise.
After you have completed all of these exercises, turn to "Solutions to Exercises"
at the end of the lesson and check your answers. For each exercise answered
incorrectly, reread the material referenced with the solution.
1.
Which one of the following is most effective outdoors against adult mosquitoes and
flies?
a. Rotary duster.
b. Aerosol generated, ultra-low volume electric sprayer.
c. Hand sprayer.
d. Hydraulic sprayer.
2.
A dry formulation (i.e., dust or granules) would best be dispersed by a(an):
a. Backpack sprayer.
b. Aerosol dispenser.
c. Two-gallon compressed air sprayer.
d. Hydraulic sprayer.
3.
When spraying mosquito larvae with the 2-gallon sprayer, which of following
nozzles should be used?
a. The hollow cone nozzle.
b. The flat spray nozzle.
c. The solid spray nozzle.
d. The full cone nozzle.
MD0171
3-18