(a) Name three other equipment that can perform similar functions as specimen F.
(b) State five safety precautions to be taken when using specimen F.
(c) Describe how specimen F is used
(d) State three faults that may develop in specimen F when in use.
Explanation
(a) Other equipment that can perform similar functions as specimen F are:
- Motorized sprayer.
- Electrodyn sprayer.
- Boom sprayer.
- Hand sprayer.
- Uitra low volume sprayer.
- Tractor-mounted / helicopter / aeroplane - mounted sprayer.
(b) Safety precautions to be taken when using specimen F:
- Ensure the equipment is in good condition before starting.
- Read and follow instructions on the chemical container before operations begin.
- Wear protective clothing when spraying.
- Avoid smoking, eating or drinking while spraying.
- Do not blow blocked nozzles with mouth.
- Do not spray against the wind.
- Avoid walking/spraying into areas freshly sprayed.
- Do not spray in hot afternoons.
- Wash body thoroughly after use.
- Avoid spillage of chemícal in wrong place
(c) How specimen F is used:
- Pour a measured quantity of water into tank.
- Add correct amount of chemical to water in tank and miss well.
- cover the tank properly with the lid.
- Pump to raise pressure within tank.
- Mount sprayer on the back.
- Spray while walking away from sprayed area.
- Direct nozzle to the area to be sprayed.
- Pressure in tank is maintained by occasional pumping.
(d) Faults that may arise while using specimen F are:
- Clogging of nozzles.
- Pressure could leak from pressure chamber.
- Leakage of chemical from hose or tank.
- Hose could rupture.
- Nozzle could get dismantled/disorganize.
- Pump lever may be broken or faulty