+1 vote
in Farm Machinery by (38.9k points)
Calculate the time required to sow 1 hectare of land with a bullock drawn seeder of size 5*15 cm. the operating speed is 3.5 km/h and loss due to turning is 20%.

(a) 4.57 hr/ha

(b) 5.57 hr/ha

(c) 10.57 hr/ha

(d) 12.57 hr/ha

I got this question in an online interview.

My question is based upon Sowing Equipments topic in division Sowing Equipments of Farm Machinery

1 Answer

+2 votes
by (243k points)
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Best answer
Right choice is (a) 4.57 hr/ha

To elaborate: Theoretical field capacity = \(\frac{0.75*3.5}{10}\) = 0.262 ha/hr

Theoretical time required = 1/0.262 = 3.81 hr/ha

Time loss due to turning = 20%

Field capacity = 100/100+20 = 0.833

Actual time required \(\frac{3.81}{0.833}\) = 4.57 hr/ha.

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