+1 vote
in Farm Machinery by (38.9k points)
By using a knapsack sprayer, a man can spray over the area of about __________

(a) 1 ha per day

(b) 0.75 ha per day

(c) 1.25 ha per day

(d) 0.4 ha per day

I have been asked this question in unit test.

My question is taken from Plant Protection Equipments in portion Plant Protection Equipments of Farm Machinery

1 Answer

+2 votes
by (243k points)
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Best answer
Right choice is (d) 0.4 ha per day

To explain I would say: A sprayer consisting of handheld nozzle supplied from a pressurized reservoir that is carried on the back like a knapsack, used chiefly in spraying fungicides or insecticides.

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