What will be the interest per hour when the cost of 35hp tractor is ₨ 3,00,000/-, life of tractor is 10 years, rate of interest 10% and working hours per year is 1000 hours?

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What would be the interest/hr of a three-bottom plough purchased by a farmer having 30 cm bottom width at ₨ 12000/- only? (Ploughing speed is 5 km per hour. Interest rate @ 10% of capital cost/year and salvage value @ 10% capital cost per year.)

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

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

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What is the area covered per day of 8 hours by a tractor down four bottom 35 cm plough if the speed of the ploughing is 6km per hour, the time lost in turning is 6%?

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

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A straight tooth gear having involute profile with 20° pressure angle transmits 20Nm torque. Pitch diameter of the gear is 24 cm. If only one pair of tooth is engaged at any instant of time, the force experienced by the tooth will be ______

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

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A flange mounted shear pin is used on a shaft as a safety device. The steel shear pin has a diameter of 2.38 mm and is to be mounted on the flange of shaft rotating at 650 rpm. The maximum power transmitted by the shaft is 4.5 KW. If the shear strength of material of pin is 30 MPa, the radial distance of its mounting is ____

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

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

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What would be the depreciation cost of a tractor purchased by the farmer having 25 KW power at a total cost of Rs 300000/-?

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

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A four bottom 40 cm MB plough has a working depth of 15 cm and draft of 1600 kg. It is working at a speed of 15 cm and draft of 1600 kg. it is working at a speed of 4.5 km/hr with field efficiency of 70%. What will be the drawbar power?

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

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A three bottom 40 cm MB plough has a working depth of 15cm, draft is 1200 kg, field efficiency is 80%, and working speed is 4km/hr. What will be actual field capacity?

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

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Calculate the size of tractor to pull a four bottom 35 cm MB plough through a depth of 10 cm. the soil resistance is 0.5 kg/cm^2. The speed of the tractor is 5.5 km/h, the transmission and tractive efficiency of the tractor being 85% and 30% respectively.

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

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

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A bullock drawn desi plough is working at 2.4 KMPH and cutting soil 20 cm deep and 20 cm wide furrow at top. Calculate the volume of soil cut in 5h.

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

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A two-wheel drive tractor pulls an implement which requires a draft of 12.5 KN. The motion resistance of the tractor is 4.5 KN and the slip of the driver wheel is 20%. The transmission efficiency is 0.8. the percentage of power lost in converting engine power into drawbar power is ______

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

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A pair of bullocks exert 100 kg pull at 30° to the horizontal while making a V-shape furrow 15 cm wide and 5 cm deep. The speed of ploughing is 3 KMPH. What is the unit draft on the implement and horsepower developed by the bullocks?

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

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Which classification of tillage involves initial major soil working operation?

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

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A strip of land left unploughed at each end of the field for the tractor to turn is known as _______

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

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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)

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

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Total draft of four bottom, 40cm Mb plough when ploughing 17.5 cm deep at 5.5 km/hr speed is 1700. Field efficiency is 75%. Calculate the actual power requirement.

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

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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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A three-tine cultivator having tine spacing 6 cm, working depth of 3 cm and speed is 2 km/hr. Turning loss is 10%. Soil resistance is 0.6 kg/cm^2. Width of furrow is 6 cm. What will be the required power?

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

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