Agriculture and Forestry University
Office of the Controller of Examinations
Rampur, Chitwan
2082, Ashad
| Faculty | Agriculture | Exam | Regular |
| Level | Bachelor | Full Marks | 20 |
| Program | B.Sc. Ag. | Pass Marks | 8 |
| Year and Semester | 3rd Year, 6th Semester | Time | 1:30 hrs. |
Subject: AEN 301, 2(1+1) Farm Power and Machinery
Candidates are required to give their answers in their own words as far as practicable. All questions carry equal marks. Answer any eight questions.
- Differentiate between petrol and diesel engines used in farm operations. (2.5)
- What do you mean by farm mechanization? What are the limiting factors for achieving farm mechanization in Nepal? Suggest the possible solutions. (0.5+1+1)
- Calculate the cost of operations of a 21 hp rice transplanter machine requiring two helpers and one operator. The purchasing price of machine is Rs 10 lakh, service life of 1500 hours, diesel consumption of 4 liter per hour. Make necessary assumptions. (2.5)
- Discuss about the crop threshing practices in Nepal. Suggest the modern threshing machine for rice, wheat and maize based on power used. (1.5+1)
- What are the major differences between seed drill and planter machine? Justify with examples. Enlist the components of seed drill and write their functions. (1+1.5)
- What are the different types of tillage implements? Explain with examples. How do you select them for your use? (1.5+1)
- Enlist the different types of sprayers and their selection. Discuss about the use of drone in spraying. (1.5+1)
- Explain the common problems in a combine harvester and suggest the remedies. (2.5)
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Write short notes on (any four): (2.5)
- a. Clutch
- b. Gear box
- c. Differential unit
- d. Carburetor
- e. Lubricating system
Good Luck