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DOS II FINAL EXAM QUESTIONS WITH 100 % CORRECT ANSWERS | VERIFIED
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DOS II FINAL EXAM QUESTIONS WITH 100 % CORRECT ANSWERS | VERIFIED
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DOS II FINAL EXAM QUESTIONS WITH 100 %CORRECT ANSWERS | VERIFIED
The toxicity of a pesticide is?
a. The length of time it remains active in the environment.
b. The potential for reaching groundwater.
c. It's capacity to cause injury. - ANSWER It's capacity to cause injury.
The LD50 of a pesticide tells you?
a. The toxicity of the pesticide.
b. The level of possibility for long term exposure.
c. The likelihood of it causing personal injury. - ANSWER a. The toxicity of the
pesticide.
All pesticide labels must include? - ANSWER Directions for use
Precautionary statement
Disposal instructions
Keep away from children
Store in a locked secured area
Store in a cool dry place
An applicator may be harmfully exposed to a pesticide by experiencing?
a. Accumulated chronic exposures.
b. A single acute exposure.
c. Several exposures over time. - ANSWER c. Several exposures over time.
If the label is incomplete due to a smaller package size you should obtain
___________________ label from the manufacturer? - ANSWER A supplemental
label.
A soil area is 90 x 50 feet wide and is treated with a power sprayer using a dosage of
one gallon per square yard of surface. Calculate the total number of gallons needed.
- ANSWER 600. 90 x 60 = 5400 area. one yard = 3 feet. divide 3 by 5400 = 1800
yards. one gallon per 3 feet 1800 divided by 3 = 600 gallons.
A copy of the pesticide registration ( which specifies how a pesticide should be used)
should be in the vechicle of the Pest tech of all pesticides being used or carried in a
vehicle, should be available when? - ANSWER Available at the job site.
When treating a multiple family structure of 5 or more units , where treatment is on
the exterior only, would require a chemical disclosure be provided how? - ANSWER
The notice must be given to the designated agent or owner of the property and left in
a conspicuous location on the property.
, The state of CA requires that a report for each pest control operation other than
fumigation in which a pesticide is used , shall contain the following information? -
ANSWER Name of owner,
his or her agent
address of the property treated.
Date of treatment,
description of area treated, targeted pests, pesticide and amount used
Identity of person applying pesticide
The name address and phone number of a medical care facility must be posted in
two places. Name them. - ANSWER Posted in employers office and in the service
vehicle.
Increasing the pump pressure will increase the probability of ? - ANSWER Drift
A Getz duster is used to apply small amounts of ? - ANSWER Dust insecticide into
cracks and crevices.
Dust application devices include ? - ANSWER Scoops , Brushes and Bellow
Dusters.
Ultra low volume is recommended for ? - ANSWER Space treatment in a
warehouse.
A pump unit assembly of a hand held sprayer consists of the ? - ANSWER Handle
tank cap and gasket
Pump and pump cylinder
the check valve
The purpose of filter screens and strainers are to? - ANSWER Protect pumps and
prevent clogged nozzles.
A sight gauge is required on pesticide tanks that are? - ANSWER 50 gallons or
larger.
If the pressure of your sprayer drops off this means that? - ANSWER pump is
worn.
What kind of duster would be used for an attic space? - ANSWER Rotary Duster
An air gap device creates what? - ANSWER A gap between the filling hose and the
liquid in the spray tank that prevents back flow of pesticide liquids into the water
source.
Liquid pesticides can be applied with ? - ANSWER Hand compressed air sprayers
Backpack sprayers
Motorized spray units
A leaking nozzle on a hand held nozzle can be fixed by changing the ? - ANSWER
Nozzle shut off valve
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