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Farm Machinery Practice Test: Tillage, Disc Plough
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Tillage, Disc Plough topics include: Tillage system, mouldboard plough, disc plough, & country plough. Tillage is the process of mechanically manipulating soil. It involves plowing, cultivating, or turning the soil to prepare it for planting or seeding. Tilling can: Aerate the soil Loosen the soil Mix organic matter, fertilizer, and manure with the soil Control weeds Manage crop residue Incorporate amendments Prepare a seedbed Remove surface compaction and rutting Encourage root growth Allow seeds to germinate  Tillage can also regulate the balance of water, fertilizer, gas, and... Show more
Farm Machinery Practice Test: Tillage, Disc Plough
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25 Questions

1. 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°?
2. How is effect of speed on draft expressed?
3. What are the ways of doing round and round ploughing?
4. 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.
5. What percentages of carbon are present in share of a mouldboard?
6. Which plough is the combination of principles of the regular disc plough and the disc harrow and is used for shallow working in the soil?
7. What is distance of centre of resistance from share wing?
8. What type of mouldboard is short but broader with a relatively abrupt curvature?
9. 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?
10. What is the disc angle of a good plough?
11. Which share has a detachable piece?
12. Which mouldboard has gentle curvature which lifts and inverts the unbroken furrow slice?
13. What is the Break Even Point?
14. Which primary tillage operation is performed to cut, break and invert the soil partially or completely?
15. Which plough is used to cut and pulverise soil by impact forces by means of a number of rotary tynes or knives?
16. Horizontal suction varies according to ______
17. Gunnel is which face of the share that slides along the furrow wall?
18. What is the formula for computing depreciation in straight line method?
19. Which plough accessory is used to turn over a small ribbon like furrow slice directly in front of the main plough bottom?
20. 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 ______
21. In order to provide furrows at all times on the right-hand side of the plough which method/methods is/are used?
22. Which plough is used is used to break Hard pan or plough sole layer of soil?
23. Which share has the disadvantage of replacing the entire share if it gets worn out?
24. What percentage of manganese are present in the share of a mouldboard?
25. A strip of land left unploughed at each end of the field for the tractor to turn is known as _______