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The diameter of feed roller of a conveyor type power chaff cutter is 100mm and they are rotating at 100 rpm for cutting the dry fodder. The effective length of each feed roller is 0.25 m and average clearance between them is 0.015 mm. The compression density while passing through feed roller is 350 kg/m^3. What will be the capacity of chaff cutter?

(a) 1.47 tonnes/hour

(b) 3.47 tonnes/hour

(c) 2.47 tonnes/hour

(d) 4.47 tonnes/hour

The question was posed to me in an international level competition.

My question comes from Processing Equipments in portion Processing Equipments of Farm Machinery

1 Answer

+1 vote
by (243k points)
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Best answer
The correct option is (c) 2.47 tonnes/hour

Best explanation: Q = W*H*π*Dr*Nr*d

Q = 0.25*0.015*π*0.1*100*350 = 41.234 kg/min

Q = \(\frac{41.234*60}{1000}\) = 2.47 tonnes/hour.

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