Chapter 15 - Filling and mixing practices

Question 1

Which pesticide formulations must be diluted before they are applied?

a. wettable powders and granules
b. flowable and some aerosols
c. wettable powders and emulsifiable concentrates

Answer 1

c. wettable powders and emulsifiable concentrates

Question 2

When is the best time to add pesticide to the spray tank?

a. at least three hours before application
b. immediately before application
c. whenever you are ready

Answer 2

b. immediately before application

Question 3

Mixing is the time when you are most likely to be exposed to pesticide poisoning.
true or false?

Answer 3

true

Question 4

Through which routes of entry are you likely to be exposed during pesticide mixing?

a. dermal and swallowing
b. inhalation and dermal
c. swallowing and inhalation

Answer 4

b. inhalation and dermal

Question 5

_____________ devices keep spray mixture in the tank from escaping back through the hose into a water source.

Answer 5

Antisiphoning

Question 6

When you empty a pesticide container, you should rinse it out at least three times.
true or false?

Answer 6

true

Question 7

You can mix all types of pesticides together without any problem.
true or false?

Answer 7

false

Question 8

What does chemical compatibility mean?

a. mixing the chemicals will not cause an explosion
b. mixing the chemical will not produce a highly toxic solution
c. mixing the pesticides will not reduce their effectiveness

Answer 8

c. mixing the pesticides will not reduce their effectiveness

Question 9

How can you find out if two pesticides are compatible?

a. call your county Extension agent
b. call the manufacturer
c. read the label

Answer 9

c. read the label.

Question 10

An ________ is a chemical added to the pesticide mixture that makes an active ingredient more effective.

Answer 10

adjuvant

Question 11

For what kind of job would you use a spreader-sticker?

a. for weed and brush control
b. for treatment of waxy leaf surfaces
c. for treatment of hard to reach tree tops

Answer 11

b. for treatment of waxy leaf surfaces

Question 12

The most hazardous activities involving pesticides are mixing and loading concentrates.
true or false?

Answer 12

true

Question 13

For most pesticide sprays, what is the recommended water pH level?

a. from 2 to 3
b. from 4 to 6
c. from 5 to 8

Answer 13

b. from 4 to 6

Question 14

When a pesticide is spilled accidentally, what should you do first?

a. contain the spill
b. call the fire department
c. let it evaporate

Answer 14

a. contain the spill.