Growsafe Mixing and Loading Agrichemicals

Question 1

What is the correct procedure when filling a spray tank with water and agrichemical concentrate?

Accepted Answer

Fill the tank half full with water, add the chemical, then top up with water

Answer

Filling half with water first ensures the concentrate is immediately diluted, reducing the risk of splashing or reacting with undiluted chemical when topping up.

Question 2

What is the three-rinse method used for in agrichemical handling?

Accepted Answer

Emptying and cleaning agrichemical containers before disposal

Answer

The three-rinse method involves rinsing an empty container three times with water and adding the rinse water to the spray tank, ensuring all residue is removed before container disposal.

Question 3

What is an induction hopper primarily used for when loading agrichemicals?

Accepted Answer

Safely adding powders and liquids to the spray tank without direct tank opening contact

Answer

An induction hopper allows operators to safely load concentrated agrichemicals into the spray tank via a dedicated inlet, reducing exposure to concentrated product.

Question 4

Before mixing two different agrichemicals together in a tank mix, what must you always check?

Accepted Answer

That the products are compatible with each other

Answer

Checking compatibility is essential because incompatible agrichemicals can react together, causing loss of efficacy, physical separation, equipment damage, or hazardous reactions.

Question 5

What does an anti-siphon device on spray equipment prevent?

Accepted Answer

Spray mixture or chemical from flowing back into the clean water source

Answer

An anti-siphon device prevents spray mixture from back-flowing into the water supply, protecting dams, tanks, and waterways from agrichemical contamination.

Growsafe Practice Test

Growsafe Practice Test

Growsafe Mixing and Loading Agrichemicals