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.

← Prev Question Next Question →

1 Answer

Related questions

+1 vote

1 answer

Calculate the seed rate per hectare of 8*16 cm seed drills, whose main drive wheel has 215 m diameter and total weight of grain collected in 20 revolutions in 42 kg.

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

+1 vote

1 answer

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?

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

+1 vote

1 answer

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?

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

+1 vote

1 answer

A seed drill drops seeds at 0.20 m intervals. The seed weight is 200 g per 1000 seeds. If row to row spacing is 0.25 m, the weed rate in kg per hectare is ________

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

+2 votes

1 answer

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)

+2 votes

1 answer

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 ____________

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

+1 vote

1 answer

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)

+2 votes

1 answer

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%.

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

+1 vote

1 answer

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%.

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

+2 votes

1 answer

Calculate the cost of seeding one hectare of land with bullock-drawn seed drill of 5*22 cm size. The speed of bullocks is 3km/hr. Hire charges of bullocks ₨ 100/- per pair, hire charges of seed drill is ₨ 50/- per day and wage of operator ₨ 100/- per day of 8 hours.

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

+1 vote

1 answer

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)

+1 vote

1 answer

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)

+1 vote

1 answer

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)

+1 vote

1 answer

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)

+1 vote

1 answer

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)

+2 votes

1 answer

A side dressing fertilizer applicator is to plough two bands per row on a crop with 1 m row spacing at an application rate of 600 kg/hour. If the machine is calibrated by driving it forward over a distance of 50 m, the mass of material collected from each delivery tube is _________

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

+2 votes

1 answer

A mower has drive wheel of 60 cm diameter. The crank of the mower makes 600 rev/min when it is driven by a tractor, moving at a speed of 2.3 km/hr. If the speed ratio between the crank wheel and land wheel is changed to 27:1, calculate the increase in speed of mower to maintain same speed of crank.

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

+1 vote

1 answer

In which seed metering mechanism, the feed wheel is provided with fine and coarse ribbed flanges?

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

+1 vote

1 answer

A sprayer having 0.4 L/min nozzle discharge rate and 50 cm width of coverage is required to apply 0.8 kg of active ingredient per hectare. If 1 kg of active ingredient is content in 120 L of spray solution. What will be the speed of travel of sprayer?

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

+1 vote

1 answer

A sprayer having 0.4 litre per minute nozzle discharge rate and 50 cm width of coverage, is required to apply 0.8 kg of active ingredient per hectare. If one kg of active ingredient is contained in 120 litres of spray solution, determine the speed of the sprayer.

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

+1 vote

1 answer

Maximum yield of maize attained with a population of 50000 plants per hectare. The rows are 150 cm apart and on average emergence of 85% is expected. How many seeds per hill should be planted if hills are 150 cm apart?

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

+2 votes

1 answer

What is the minimum diameter of seed and fertilizer tube in disc type furrow opener?

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

+2 votes

1 answer

A single plate clutch with both sides effective, has an outer diameter of 30 cm and inner diameter of 20 cm. the maximum intensity of pressure at any point in the contact surface is not exceed 1 kg/cm^2. If the co-efficient of friction is 0.3, determine the horse power transmitted by a clutch speed of 2000 rev/min.

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

+2 votes

1 answer

Two pulleys are connected by a belt. The sum of the diameter of two pulleys is 90 cm and while the one makes 50 rpm, the other makes 20 revolutions. What will be the diameter of the pulleys?

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

+1 vote

1 answer

A 2-wheel drive 35hp tractor has 1.5 rear wheel diameter. The engine runs at 1200 rev/min. the total reduction of speed is 30:1. Find the travelling speed of the tractor in km/h and the tractive force at each driving wheel.

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

...