Testing and Evaluation of Agricultural Equipment MCQs

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1. : The main objective of testing agricultural equipment is to:
(A) Increase cost of machinery
(B) Ensure performance, safety, and reliability
(C) Reduce farm size
(D) Promote imports only

2. : The organization responsible for testing agricultural machinery in India is:
(A) ICAR
(B) BIS
(C) CFMTTI (Central Farm Machinery Training & Testing Institute)
(D) FCI

3. : The field efficiency of a machine is defined as:
(A) Theoretical capacity ÷ Actual capacity × 100
(B) Actual field capacity ÷ Theoretical field capacity × 100
(C) Draft ÷ Power × 100
(D) Fuel used ÷ Power × 100

4. : The maximum permissible grain damage in a threshing machine is generally:
(A) 1–2%
(B) 3–5%
(C) 6–8%
(D) More than 10%

5. : Specific energy consumption of an agricultural machine is expressed in:
(A) kWh
(B) kWh/ton of output
(C) W/ha
(D) N/cm²

6. : In combine harvester testing, cleaning efficiency is the ratio of:
(A) Clean grain obtained ÷ Total material handled × 100
(B) Threshed grain ÷ Total grain × 100
(C) Straw ÷ Grain × 100
(D) Fuel consumed ÷ Grain yield × 100

7. : The wheel slip of tractors during drawbar performance test should not exceed:
(A) 5%
(B) 10%
(C) 15%
(D) 25%

8. : The rated PTO power of a tractor is usually tested at:
(A) 250 rpm
(B) 540 rpm
(C) 1000 rpm
(D) Both (B) and (C)

9. : The draft of tillage equipment is measured using:
(A) Dynamometer
(B) Tachometer
(C) Anemometer
(D) Manometer

10. : The term “breakdown time” during machinery testing refers to:
(A) Time lost due to repairs or adjustments
(B) Actual operating time in the field
(C) Refueling time only
(D) Idle time during transport

11. : In machinery testing, effective field capacity is expressed in:
(A) km/h
(B) ha/h
(C) kg/h
(D) kW

12. : The threshing efficiency of a thresher should be at least:
(A) 60%
(B) 75%
(C) 90%
(D) 98%

13. : The performance indicator of a seed drill is mainly:
(A) Fuel consumption
(B) Seed spacing uniformity and seed rate accuracy
(C) PTO power
(D) Straw quality

14. : In BIS standards, the maximum permissible seed damage during drilling is:
(A) 0.5%
(B) 1%
(C) 3%
(D) 5%

15. : The drawbar power test of tractors is conducted to measure:
(A) Engine BHP
(B) Power available for pulling implements
(C) PTO output
(D) Hydraulic lift capacity

16. : Noise levels during testing of agricultural machinery should not exceed:
(A) 60 dB
(B) 75 dB
(C) 85 dB
(D) 100 dB

17. : Fuel consumption during field testing of tractors is usually measured in:
(A) L/h
(B) L/ha
(C) g/kWh
(D) All of the above

18. : The PTO performance test is used to measure:
(A) Drawbar efficiency
(B) Rotational power output at PTO shaft
(C) Hydraulic efficiency
(D) Fuel economy only

19. : The maximum wheel slip allowed in laboratory testing of tractors is about:
(A) 5–10%
(B) 12–15%
(C) 18–20%
(D) 25–30%

20. : The gradeability test of tractors is conducted to determine:
(A) Turning radius
(B) Ability to climb slopes
(C) Fuel efficiency
(D) Hydraulic capacity

21. : During testing of pumps, discharge is measured using:
(A) Pitot tube
(B) Venturimeter
(C) V-notch or weir
(D) Tachometer

22. : The term “downtime” in farm machinery evaluation refers to:
(A) Time during repairs and adjustments
(B) Total working time
(C) Harvesting time
(D) Transport time only

23. : The reliability of agricultural equipment is measured in terms of:
(A) Mean Time Between Failures (MTBF)
(B) Fuel efficiency
(C) PTO horsepower
(D) Slip ratio

24. : The term “field efficiency” accounts for:
(A) Turning losses, overlaps, and downtime
(B) Only draft of implement
(C) Only slip of tractor
(D) Only power losses in transmission

25. : The standard test procedures for tractors are developed by:
(A) FAO
(B) ASABE (American Society of Agricultural and Biological Engineers)
(C) WHO
(D) UNDP