Below is a diagram of a knapsack sprayer. Study it carefully and answer the questions that follow.

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• (a) Name the parts labelled N, P, Q and R.
• N
• p
• Q
• R
• (b) State one function of the part labelled S

Answer

• (a)Name the parts labeled N, P, Q and R. 
• N-Tank
•  P - Delivery note rej. hose pipe/hose alone
• • Q - trigger
•  R-Lance
• (b) State one function of the part labelled S 
• Breaks the liquid chemical into desired size of droplets/spray form/fume droplets/jets

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