Question

What should be checked during a pre-operative check-up of a knapsack sprayer?

a) The user's health condition
b) The quality of the spray nozzles
c) The weather conditions
d) The availability of pesticides

Answer 1

b) The quality of the spray nozzles

During a pre-operative check-up of a knapsack sprayer, it is important to inspect the equipment to ensure that it is in proper working condition. Checking the quality of the spray nozzles is crucial to ensure effective and uniform distribution of pesticides during spraying. This helps in achieving optimal results in pest control or crop protection. While factors such as the user's health condition, weather conditions, and the availability of pesticides are also important considerations, the immediate inspection of equipment, including spray nozzles, is a key aspect of the pre-operative check-up.

Answer 2

During a pre-operative check-up of a knapsack sprayer, it is crucial to check the condition and quality of the spray nozzles, the overall integrity of the sprayer, and the availability of personal protective equipment to prevent exposure to pesticides.

Step-by-step explanation:

During a pre-operative check-up of a knapsack sprayer, several important factors must be verified to ensure safe and effective application of pesticides. Among the aspects that should be checked are:

• The quality and condition of the spray nozzles, as they directly affect the accuracy and uniformity of pesticide application.
• The overall condition of the knapsack sprayer, including checking for leaks, ensuring that hoses and seals are intact, and that the pressure gauge is working properly.
• The presence and fitting of personal protective equipment (PPE) to protect the user from potential exposure to harmful chemicals.

It is essential to note that while the user's health condition and weather conditions are critical for safety, they are not part of the sprayer's mechanical check-up. Availability of pesticides relates to the preparation for spraying but is not part of the sprayer's functioning check.