Horizontal suction varies according to ______

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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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Line of pull of a MB plough is 15° with the horizontal and is in a vertical plane which at an angle of 12° with the direction of travel plane which is at an angle 12° with the direction off travel. Calculate the side draft.

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 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 ______

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Which plough is used to cut and pulverise soil by impact forces by means of a number of rotary tynes or knives?

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Which plough is used is used to break Hard pan or plough sole layer of soil?

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Which primary tillage operation is performed to cut, break and invert the soil partially or completely?

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

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A simple band brake has the tight side of the band attached to a fixed pivot. The angle of wrap is 280° about a 450-mm diameter drum. A torque of 170 mm is sustained at 900 revs min^-1. If the co-efficient of friction is 0.2 the required belt tension at tight side of the belt will be _____

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 _______

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A flat plate which bears against and transmits lateral thrust of the plough bottom to the furrow wall is known as __________

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

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What will be the torque required to drive a 0.1 litre/min pump at 2000 rpm of delta pressure across pump is 240 bars?

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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In order to provide furrows at all times on the right-hand side of the plough which method/methods is/are used?

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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Reversible ploughs which have single bottom with such an arrangement that the plough bottom is changed from right hand to left hand by rotating it approximately 180°?

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

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Which plough accessory is used to turn over a small ribbon like furrow slice directly in front of the main plough bottom?

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A hydraulic circuit uses 25 litres of fluid per min. The fluid is supplied by a pump having a fixed displacement of 12.5 cm^3 per revolution driven at 3000 rpm. The pump has a volumetric efficiency of 0.85 and torque efficiency of 0.88. If the system pressure is set at 18 MPa by the relief valve. What will be the power required to drive the pump?

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

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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?

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

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What percentage of manganese are present in the share of a mouldboard?

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 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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What type of mouldboard is short but broader with a relatively abrupt curvature?

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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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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Gunnel is which face of the share that slides along the furrow wall?

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

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