Calculate the time and power for sowing four hectares of and by a 7-furrow seed drill, going 6 cm deep. The speed of the seed drill is 4 km/hour and the pressure exerted by soil on the seed drill is 0.42 kg/cm2. The spacing between the two furrow openers is 15 cm. Loss of turning is 5%.

Calculate the time and power for sowing four hectares of and by a 7-fu

1.	Calculate the time and power for sowing four hectares of and by a 7-furrow seed drill, going 6 cm deep. The speed of the seed drill is 4 km/hour and the pressure exerted by soil on the seed drill is 0.42 kg/cm². The spacing between the two furrow openers is 15 cm. Loss of turning is 5%.
A.	14 hours, 2 HP
B.	11 hours, 3.46 HP
C.	10 hours, 1.82 HP
D.	8 hours, 3.11 HP
Answer» D. 8 hours, 3.11 HP

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Calculate the time and power for sowing four hectares of and by a 7-furrow seed drill, going 6 cm deep. The speed of the seed drill is 4 km/hour and the pressure exerted by soil on the seed drill is 0.42 kg/cm<sup>2</sup>. The spacing between the two furrow openers is 15 cm. Loss of turning is 5%.

Calculate the time and power for sowing four hectares of and by a 7-furrow seed drill, going 6 cm deep. The speed of the seed drill is 4 km/hour and the pressure exerted by soil on the seed drill is 0.42 kg/cm2. The spacing between the two furrow openers is 15 cm. Loss of turning is 5%.

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Calculate the time and power for sowing four hectares of and by a 7-furrow seed drill, going 6 cm deep. The speed of the seed drill is 4 km/hour and the pressure exerted by soil on the seed drill is 0.42 kg/cm². The spacing between the two furrow openers is 15 cm. Loss of turning is 5%.