Find suction capacity of power sprayer, if diameter is 25 mm, speed is 1100 revolution/minute, length of stroke is 20 mm and number of plunger is 4.

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Find the suction capacity of a power sprayer if diameter is 25 m, speed is 1100 rev/min length of stroke is 22 mm, number of plunger is 3.

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

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A field chaff cutter with cutter head has 4 knives and diameter of 650 mm. The given peripheral speed is 30 m/s and throat size is 45*15 cm. For 20 mm length of cut with corn silage what will be the linear speed and rated feeding capacity?

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

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The diameter of feed roller of a conveyor type power chaff cutter is 100mm and they are rotating at 100 rpm for cutting the dry fodder. The effective length of each feed roller is 0.25 m and average clearance between them is 0.015 mm. The compression density while passing through feed roller is 350 kg/m^3. What will be the capacity of chaff cutter?

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

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The flywheel of a hand operated chaff cutter with 4 cutting knives is rotated at 60 rpm and is connected to worm gear assembly for rotating feed rollers. The number of teeth and threads of worm gear and worm are 20 and 2 respectively. What would be the chaff length? (Diameter of feed roller is 15 cm)

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

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A power operated chaff cutter is used for cutting Napier grass of density 640 kg/m^3 at 800 rpm speed. If blades make a clearance angle of 18° between the knife support assembly and the plan of rotation and distance of inner edge of throat from flywheel centre is 10 cm. What will be the theoretical length of cut without feed interference using 4 knives?

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

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A cylinder type chaff cutter head in a direct throw field chopper has 5 knives and diameter as 450 mm. The throat size is 40*12 cm for 15 mm theoretical length of cut with corn silage. What will be the rated capacity in megagrams per hours at 100% field efficiency?

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

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The flywheel of a power operated chaff cutter receives the power through belt and pulley arrangement from an electric motor, running at 1600 rpm speed. The motor pulley has a diameter of 10 cm, while that of the pulley mounted on a flywheel shaft is 50 cm. The speed ratio between the flywheel and worm gear of diameter 15 cm is 7:1. What would be the rpm of flywheel and worm gear?

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

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Diameter and stroke length of the piston of a 4 stroke-4-cylinder diesel engine are 10 cm and 12 cm respectively and speed of crank shaft is 2000 rpm. Calculate brake power.

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

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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)

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A power operated chaff cutter with 6 knives is rotating at 600 rpm. It is having a convey type feeding mechanism which is operating at a speed of 0.6 m/s.

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

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A chaff cutter having 2 knives cuts dry hay at 60 rpm giving 580 kg/h. If throat size is 19*16 cm and length of cut is 2.6 cm, what will be the effective density of dry hay?

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

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A tractor sprayer is fitted with 20 hollow cones nozzles to attain application rate of 200 l/hr. During the calibration test, the nozzle flow rate was found to be 1.25 l/min whereas, the rated nozzle flow rate was found to be 0.473 l/min was available at 275 kPa. If the nozzle produces droplets with volume median diameter 200 μm at 1 Mg Pascal, the droplet at the desire flow rate is?

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

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Determine the length of the chain having 200 mm pitch and is used for speed reduction from 340 rpm to 120 rpm. The numbers of teeth on driving and driven sprockets are 20 and 40 respectively. The centre to centre distance between 2 sprockets is 540 mm and diameter of driven sprocket is 450 mm.

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

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The chain drive is used to reduce the speed from 180 rpm to 90 rpm, the driving sprocket has 20 teeth and pitch circle diameter of 500 mm. The centre to centre distance between the sprockets of chain drive is 550 mm. Determine total number of links.

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

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Calculate the power transmitted by the belt and pulley arrangement, if tension on tight side of the belt is 50 kg and tension on slack side is 25 kg. The diameter and speed of driving pulley is 0.95 m and 350 rpm.

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

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A field sprayer having a horizontal boom with 20 nozzles spaced 40 cm apart is to be designed for maximum application rate of 650 l/ha at nozzle pressure of kPa and forward speed of km/h. What will be the pump capacity in l/min?

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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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)

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What power is required to pull 1.2 mete mower working at a speed of 4.8 km/hr, if there is a load of 50 kg per metre length of mower and mechanical efficiency is 80%?

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

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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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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)

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A hydraulic sprayer fitted with hollow cone nozzle is required to be calibrated for application rate 150 l/ha. The sprayer speed is 6.5/h, nozzle spacing is 50 cm, and the available 0.787 mm orifice diameter nozzle is rated at 0.473 l/min. What will be the nozzle flow rate?

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

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A 10 teeth sprocket is operating at 200 rpm and driving a 25 teeth sprocket through a chain. The pitch of the chain is 20 mm and ultimate strength is 20 KN. Calculate the average linear speed.

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

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In a belt drive, the mass of the belt is 10 kg/m and its speed is 6 m/s. The drive transmits 20 KW of power. Determine the initial tension in the belt and the strength of the belt. The co-efficient of friction is 0.25 and wrap angle is 220°.

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

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A six-cylinder 4-stroke engine has bore diameter 11 cm and stroke length 12.2 cm running at 2800 rev/min consumes 455m^2 of air per hour. What would be the volumetric efficiency of the engine?

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

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