Farm Machinery and Power MCQs

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1. : The primary tillage implement used for breaking hard soil is:
(A) Disc harrow
(B) Mould board plough
(C) Rotavator
(D) Cultivator

2. : The standard tractor power is generally expressed in:
(A) Joules
(B) Watts
(C) Horsepower (HP)
(D) Newton

3. : The commonly used field efficiency of a tractor-drawn implement is in the range:
(A) 10–20%
(B) 20–40%
(C) 50–80%
(D) 90–100%

4. : The engine commonly used in agricultural tractors is:
(A) Petrol engine
(B) Diesel engine
(C) Gas turbine
(D) Steam engine

5. : A seed drill is used for:
(A) Harvesting crops
(B) Planting seeds at uniform depth and spacing
(C) Irrigation
(D) Soil compaction

6. : The optimum moisture content for ploughing is known as:
(A) Wilting point
(B) Saturation point
(C) Field capacity
(D) Plastic limit

7. : A combine harvester performs:
(A) Ploughing and leveling
(B) Harvesting, threshing, and cleaning
(C) Sowing and fertilizer application
(D) Bund making

8. : PTO in tractors stands for:
(A) Power Transmission Output
(B) Power Take Off
(C) Pressure Transmission Outlet
(D) Pump Take Over

9. : The working principle of a thresher is based on:
(A) Impact, rubbing, and stripping
(B) Shearing and cutting
(C) Blowing of air only
(D) Centrifugal force only

10. : The drawbar power of a tractor is always:
(A) Equal to engine power
(B) More than brake power
(C) Less than engine power due to transmission losses
(D) Independent of soil condition

11. : The ploughing efficiency is usually:
(A) 40–50%
(B) 60–70%
(C) 70–80%
(D) 90–100%

12. : The device used to cut fodder crops into small pieces for feeding animals is:
(A) Harrow
(B) Chaff cutter
(C) Rotavator
(D) Seed drill

13. : Zero tillage is best practiced with:
(A) MB plough
(B) Rotavator
(C) Disc drill or seed drill with attachments
(D) Spade

14. : The average field efficiency of a combine harvester is:
(A) 20–30%
(B) 40–50%
(C) 60–70%
(D) 80–90%

15. : The slip of tractor drive wheels in cultivated fields is generally:
(A) 0–2%
(B) 3–5%
(C) 10–20%
(D) 30–40%

16. : The cutting blades of a reaper work on the principle of:
(A) Impact
(B) Shear
(C) Compression
(D) Rubbing

17. : Rotavator is primarily used for:
(A) Deep tillage
(B) Secondary tillage and seedbed preparation
(C) Irrigation
(D) Harvesting

18. : The efficiency of power transmission from engine to drawbar is called:
(A) Mechanical efficiency
(B) Drawbar efficiency
(C) Transmission efficiency
(D) Brake efficiency

19. : The function of a harrow is to:
(A) Cut and invert soil
(B) Pulverize and smoothen soil
(C) Harvest crop
(D) Sow seeds

20. : A winnower is used for:
(A) Cleaning grains from husk and chaff
(B) Ploughing land
(C) Harvesting sugarcane
(D) Irrigation

21. : The wheel tread of a tractor is the:
(A) Distance between the front and rear wheels
(B) Distance between centers of two rear wheels
(C) Diameter of front wheels
(D) Diameter of rear wheels

22. : The turning efficiency of a tractor is generally:
(A) 50–60%
(B) 60–70%
(C) 70–80%
(D) 80–90%

23. : The energy source most widely used in farm machinery in developing countries is:
(A) Solar energy
(B) Diesel power
(C) Biogas power
(D) Electric power

24. : The slip of tractor wheels on a paved road is generally about:
(A) 1–3%
(B) 5–10%
(C) 15–20%
(D) 25–30%

25. : A cultivator is mainly used for:
(A) Primary tillage
(B) Secondary tillage and weed control
(C) Irrigation
(D) Harvesting crops