Which of the following is not a type of furrow opener?

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A fluted feed seed drill has eight furrow openers of single disc type. The furrow openers are spaced 25 cm apart and the main drive wheel has a diameter of 120 cm. How many turns of main drive wheel would occur when the seed drill has covered one hectare of area?

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A fluted seed drill has 8 furrow openers of single disc type. The furrow openers are spaced 25 cm apart and main drive wheel has diameter of 150 cm. How many turns of main drive wheel would occur for covering one hectare of area?

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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^2. The spacing between the two furrow openers is 15 cm. Loss of turning is 5%.

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

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Calculate the time required for sowing 1.6 hectares of land by five furrows seed drill going 12.5 cm deep. The speed of seed drill is 3.2 km/hr and pressure exerted by the soil on the seed drill is 0.42 kg/cm^2. The space between furrow openers is 10 cm and loss in turning is 10%.

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Calculate the time required for sowing 1 hectares of land by 5 furrows seed drill going 12 cm deep. The speed of seed drill is 3.5 km/h and pressure exerted by the soil on the seed drill is 0.42 kg/cm^2. The space between furrow openers is 10 cm and turning loss is 10%.

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An animal drawn 3*20 wheat seed drill is equipped with a fluted roller type metering mechanism. What will be the exposed length of the fluted roller for each row if the machine is to be calibrated for seed rate of 100 kg/ha. Assuming there is no slippage in the ground wheel or in the transmission during field operations.

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

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A 4*100 cm seed drill is to be operated at a forward speed of 3.6 km/h. The diameter of the ground wheel is 50 cm. a cup type metering mechanism with 10 cells on its periphery is used for dropping one seed in a hill. Power transmitted from the ground wheel shaft to the metering shaft with the help of chain and sprocket arrangement. If the desired plant population is 6000 per hectare and average emergence is 75% speed ratio between ground wheel shaft and metering shaft will be ____________

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Which seed metering mechanism consists of cups of spoon on the periphery of a vertical rotating disc?

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A seed drill has 8 cells on cup feed metering mechanism. The rolling of ground wheel to that of the roller is 2:3. If drilling is done at a forward speed of 3.5 km/h, spacing in the rows in mm will be ___________

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

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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%.

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

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A 4-row animal drawn wheat seed drill with 300 mm row-to-row spacing is operated at 1.5 km/h. If the time loss, based on observed total time in seeding 1 ha arc is 15% in turning, 10% in seed filling and 10% in mechanical down time, then what is the field efficiency?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

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Maximum yield of maize is obtained with a population of 40000 plants per hectare. The rows are 140cm apart and an average emergence of 85% is expected. How many seeds per hill should be planted if hills are 140cm apart?

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

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Calculate the cost of sowing 1 ha of land with a bullock drawn seed drill of size 5*20 cm. the speed of bullock is 3kmph. Hire charge for bullock is Rs 100 per pair/day, hire charge for seed drill is Rs 50 per day and wages for operator is Rs 100 per day of 8 hours.

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

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Calculate the seed rate/hectare of a 7*17 cm seed drill, whose main drive wheel is 124 cm diameter and total weight of grain collected in 20 revolutions in 0.423 kg.

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A tractor drawn seed drill is operated in the field at a forward speed of 5 km/hour. The effective diameter of the ground wheel of the seed drill is 0.5 m and the transmission ratio between ground wheel and metering rollers is 1.1. if the skid of the ground wheel of the drill is 10%, the speed of metering rollers in rpm will be ______

asked Jan 29, 2022 in Farm Machinery by Olivia (38.9k points)

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