Machine Demonstration & Operation MCQs

25 Score: 0 Attempted: 0/25 Subscribe

1. : The main purpose of machine demonstration in agricultural training is:
(A) To show correct operation, adjustment, and safety practices
(B) To increase fuel cost
(C) To reduce crop yield
(D) To avoid field exposure

2. : Calibration of a seed drill during demonstration ensures:
(A) Correct seed rate and uniform spacing
(B) More soil compaction
(C) Increased waterlogging
(D) Reduced crop germination

3. : During machine operation, PTO in tractors is used to:
(A) Transmit power to implements like rotavators and sprayers
(B) Increase soil pH
(C) Store fuel
(D) Control irrigation

4. : The first step before machine operation is:
(A) Pre-operation checks (fuel, lubrication, tire pressure, alignment)
(B) Running at full speed immediately
(C) Ignoring manuals
(D) Removing safety guards

5. : Demonstration of threshers usually focuses on:
(A) Drum speed, concave clearance, and cleaning efficiency
(B) Tractor turning radius
(C) Soil moisture
(D) Irrigation efficiency

6. : In combine harvester demonstration, reel speed adjustment is important for:
(A) Efficient feeding of crop into cutter bar
(B) Increasing soil fertility
(C) Controlling irrigation flow
(D) Seed germination

7. : Safety shields on machinery are designed to:
(A) Protect the operator from moving parts
(B) Reduce crop yield
(C) Increase fuel use
(D) Control soil erosion

8. : Sprayer demonstration involves calibration to determine:
(A) Application rate of pesticide per hectare
(B) Seed rate
(C) Soil compaction
(D) Tractor draft power

9. : In rotavator operation, blade speed is adjusted based on:
(A) Soil type and moisture content
(B) Fertilizer type
(C) Tractor color
(D) Weather only

10. : The purpose of demonstrating irrigation pumps is to:
(A) Show efficiency, discharge, and head characteristics
(B) Measure crop density
(C) Increase soil salinity
(D) Control pest attack

11. : Tractor demonstration often includes:
(A) Hitching implements, gear shifting, and safe driving practices
(B) Seed germination methods
(C) Fertilizer mixing
(D) Soil classification

12. : Power tiller demonstrations usually highlight:
(A) Maneuverability in small fields and puddling for rice
(B) Crop breeding methods
(C) Rainfall distribution
(D) Fertilizer production

13. : Combine harvester demonstration teaches students about:
(A) Cutting, threshing, separating, and cleaning operations
(B) Soil pH values
(C) Irrigation scheduling
(D) Weather forecasting

14. : During baler machine demonstration, the key focus is on:
(A) Bale size, density, and tying mechanism
(B) Fertilizer efficiency
(C) Soil compaction
(D) Irrigation slope

15. : In tillage implement demonstration, draft force measurement is done using:
(A) Dynamometer
(B) Hydrometer
(C) Psychrometer
(D) Flow meter

16. : A key safety instruction in machine operation is:
(A) Never wear loose clothing near moving machinery
(B) Always remove safety guards
(C) Ignore operator’s manual
(D) Run machine at random speed

17. : The turning radius of a tractor during demonstration is important for:
(A) Maneuverability in the field
(B) Crop spacing
(C) Soil pH balance
(D) Fertilizer application

18. : Planter demonstration usually involves:
(A) Correct seed placement depth and row spacing
(B) Soil classification
(C) Fertilizer blending
(D) Crop variety selection

19. : In reaper demonstrations, cutter bar height is adjusted to:
(A) Minimize grain loss and stubble height
(B) Reduce soil compaction
(C) Increase irrigation
(D) Improve soil fertility

20. : The role of clutch operation during tractor demonstration is:
(A) Smooth engagement/disengagement of power
(B) To increase fuel use
(C) To reduce safety
(D) To irrigate crops

21. : The performance of sprayers in field demonstration is evaluated by:
(A) Uniformity of droplet size and coverage
(B) Fertilizer dose
(C) Crop spacing
(D) Soil classification

22. : During tillage machine operation, depth control is achieved by:
(A) Gauge wheels or hydraulic settings
(B) Fertilizer mixing
(C) Tractor color
(D) Soil pH

23. : Field efficiency of a machine during demonstration is calculated as:
(A) (Effective field capacity ÷ Theoretical field capacity) × 100
(B) Draft × Speed
(C) Load ÷ Area
(D) Stress ÷ Strain

24. : The main outcome of machine demonstration and operation training is:
(A) Hands-on skill development for safe and efficient machinery use
(B) More theoretical load only
(C) Reduced crop output
(D) Avoidance of field practice

25. : In field demonstrations, operator’s manuals are important because they:
(A) Provide specific guidelines for safe and efficient use
(B) Increase machine accidents
(C) Replace all field work
(D) Reduce machine performance