Agricultural Engineering MCQ with Answer: A useful collection of important objective types of questions and answers to the Engineering Engineering MCQs has been given here regarding competitive examinations. If you have any agricultural competitiveness test in addition to GATE, GRE, IAS, IES, PSC examination and many other online/offline Tests / Contests For the UG / PG courses, preparing for the Department Exam / Exams, the credit score in the US University and the PhD qualifier. So these agricultural engineering questions can be practised.
1. Length of cutter bar for the tractor operated a mower or vertical conveyor reaper is–
(A) 1.5 - 3.0 m✓ (B) 3.0 - 4.5 m
(C) 4.5 - 5.5 m (D) > 5.5 m
2. Unthreshed seed discharged from the rear of the machine either in straw or in the material from the cleaning shoe is called–
(A) Cylinder loss✓ (B) Walker loss
(C) Shoe loss (D) Gathering loss
3. free seed carried over the walker or rack in straw and discharged from the rear of the machine is called–
(A) Cylinder loss (B) Walker loss✓
(C) Shoe loss (D) Gathering loss
4. Axial flow rasp-bar cylinder gives better threshing efficiency than cross - flow rasp bar due to–
(A) Axial path increases residence time and number of impact on material✓
(B) Greater peripheral speed results in higher threshing efficiency
(C) Lesser concave clearance residence time
(D) All of the above
5. The radius of curvature of a disc with 60 cm dia, 10 cm concavity will be–
(A) 70 cm (B) 60 cm✓
(C) 35 cm (D) 50 cm
6. Optical pyrometer is used to measure :
(A) Light intensity (B) Low temperature
(C) High temperature✓ (D) Light intensity and high temperature
7. Rotary tiller are wide adopted in rice cultivation due to–
(A) Excessive pulverisation
(B) Suilability for puddling paddy field✓
(C) Reduced draft requirement
(D) Complete inversion of soil
8. Electrical resistance of a thermistor–
(A) Increases as the temperature increases
(B) Decreases as the temperature increases✓
(C) Remains unaffected with change in temperature
(D) Increases at low temperature and decreases at high temperature
9. Large tilt angle is best for–
(A) Hard soil (B) Sticky and non scouring soil✓
(C) Dry and cemented soil (D) None of the above
10. The compression ratio of diesel engines are in the order of–
(A) 4 to 8 : 1 (B) 9 to 13 : 1
(C) 1 to 20 : 1✓ (D) 21 to 30 : 1
11. The main difference between flywheel and go verner is–
(A) Flywheel is heavier than governer
(B) Flywheel is fixed to the crankshaft while governer is not
(C) Flywheel absorbs energy and governer controls engine speed✓
(D) None of the above
12. Ballast are sometimes used on front tyres of a 4 - wheel tractor to–
(A) Increase traction (B) Increase stability✓
(C) Decrease front wheel stability (D) Decrease tractor vibration
13. According to occupational safety and health act, a worker should not be exposed to the 90 dB for more than–
(A) 15 min. (B) 1 hour
(C) 4 hours (D) 8 hours✓
14. The voltage in a spark plug at the time of spark is–
(A) 300 - 400 V (B) 100 - 200 V
(C) 1000 - 10,000 V (D) 20,000 V✓
15. Multiple Universal joints are preferred I over single joints because they–
(A) Provide higher strength (B) Minimize speed fluctuation✓
(C) Are li8hter in weight (D) Are more flexible
16. In diesel cycle, heat is added at–
(A) Constant pressure✓ (B) Constant volume
(C) Constant temperature (D) Adiabatically
17. The injection pressure of CI engine used on tractor is in the range of–
(A) 0 - 6 kg/ cm 2 (B) 60 - 120 kg/cm2
(C) 120 - 200 kg/ cm2✓ (D) 200 - 300 kg/ cm2
18. A six cylinder engine can have possible number of firing orders.
(A) 2✓ (B) 3
(C) 4 (D) 6
19. Thermal efficiency............with increase in stroke : bore ratio–
(A) Decreases (B) Increases✓
(C) Remains the same (D) None of the above
20. Traction and transmission co - efficient is defined as–
(A) Ratio of drawbar hp to PTO hp✓
(B) Ratio of input hp to axels to draw bar hp
(C) Ratio of pull developed to normal load on traction member
(D) None of the above
21. Seed drill have slip equal to–
(A) Zero (B) Positive slip✓
(C) Negative slip (D) None of the above
22. White smoke indicates–
(A) Burning of lubricating oil in cylinder
(B) Presence of water in the fuel✓
(C) That engine is over loaded
(D) Richer mixture of fuel and air
23. Blue smoke indicates–
(A) Burning of lubricating oil in cylinder✓
(B) Presence of water in the fuel
(C) That engine is over loaded
(D) Richer mixture of fuel and air
24. Efficiency of a pair of bullocks is ....... the efficiency of a single bullock in field–
(A) Less than✓ (B) Greater than
(C) Equal to (D) Twice
25. The traction co - efficient is maximum in the field when–
(A) it is ploughed (B) it is irrigated
(C) it is dry✓ (D) it is ploughed irrigated
26. In a C. I. engine, the compressor pressure inside the cylinder normally in the range of kg/cm2–
(A) 15 - 25 (B) 25 - 35
(C) 35 - 45✓ (D) 45 - 55
27. The calorific value of HS D is .... Kcal/kg–
(A) 10,000 (B) 10,550✓
(C) 11,100 (D) 11,650
28. The type of starting aid generally used in diesel power tiller is–
(A) Glow plug (B) Thermostart
(C) Decompression lever✓
(D) Intake manifold surrounded by exhaust manifold
29. for a wheeled tractor with mass M and velocity Y, the expression for total kinetic energy resulting from the linear motion of the tractor is given by–
(A) KE = (1/2) My2 (B) KE = My2
(C) KE = (11/20) My2✓ (D) None of the above
30. The firing order of a 4 - stroke 4 - cylinder engine is given as–
(A) 1 - 2 - 3 - 4 (B) 1 - 3 - 2 - 4
(C) 1 - 3 - 4 - 2✓ (D) 1 - 4 - 3 - 2
31. In a tractor, the centre of gravity should be located approximately a head of rear axle–
(A) 1/4 of the wheel base (B) 1/3 of the wheel base✓
(C) 2/3 of the wheel base (D) 3/4 of the wheel base
32. Clutch in the tractors is designed on the basis of–
(A) Constant torque (B) Road
(C) Constant pressure✓ (B) Constant power
33. Air pressure in the front tyres of a tractor is than in rear wheels–
(A) Higher✓ (B) Lower
(C) Equal (D) May be higher sometimes lower
34. The length of Gunter chain (Surveyor) is–
(A) 66 ft.✓ (B) 100 ft.
(C) 33 ft. (D) 50 ft
35. A stubble type mould board gives–
(A) Medium pulverisation (B) Through pulverisation✓
(C) Little pulverisation (D) None of the above
1. Length of cutter bar for the tractor operated a mower or vertical conveyor reaper is–
(A) 1.5 - 3.0 m✓ (B) 3.0 - 4.5 m
(C) 4.5 - 5.5 m (D) > 5.5 m
2. Unthreshed seed discharged from the rear of the machine either in straw or in the material from the cleaning shoe is called–
(A) Cylinder loss✓ (B) Walker loss
(C) Shoe loss (D) Gathering loss
3. free seed carried over the walker or rack in straw and discharged from the rear of the machine is called–
(A) Cylinder loss (B) Walker loss✓
(C) Shoe loss (D) Gathering loss
4. Axial flow rasp-bar cylinder gives better threshing efficiency than cross - flow rasp bar due to–
(A) Axial path increases residence time and number of impact on material✓
(B) Greater peripheral speed results in higher threshing efficiency
(C) Lesser concave clearance residence time
(D) All of the above
5. The radius of curvature of a disc with 60 cm dia, 10 cm concavity will be–
(A) 70 cm (B) 60 cm✓
(C) 35 cm (D) 50 cm
6. Optical pyrometer is used to measure :
(A) Light intensity (B) Low temperature
(C) High temperature✓ (D) Light intensity and high temperature
7. Rotary tiller are wide adopted in rice cultivation due to–
(A) Excessive pulverisation
(B) Suilability for puddling paddy field✓
(C) Reduced draft requirement
(D) Complete inversion of soil
8. Electrical resistance of a thermistor–
(A) Increases as the temperature increases
(B) Decreases as the temperature increases✓
(C) Remains unaffected with change in temperature
(D) Increases at low temperature and decreases at high temperature
9. Large tilt angle is best for–
(A) Hard soil (B) Sticky and non scouring soil✓
(C) Dry and cemented soil (D) None of the above
10. The compression ratio of diesel engines are in the order of–
(A) 4 to 8 : 1 (B) 9 to 13 : 1
(C) 1 to 20 : 1✓ (D) 21 to 30 : 1
11. The main difference between flywheel and go verner is–
(A) Flywheel is heavier than governer
(B) Flywheel is fixed to the crankshaft while governer is not
(C) Flywheel absorbs energy and governer controls engine speed✓
(D) None of the above
12. Ballast are sometimes used on front tyres of a 4 - wheel tractor to–
(A) Increase traction (B) Increase stability✓
(C) Decrease front wheel stability (D) Decrease tractor vibration
13. According to occupational safety and health act, a worker should not be exposed to the 90 dB for more than–
(A) 15 min. (B) 1 hour
(C) 4 hours (D) 8 hours✓
14. The voltage in a spark plug at the time of spark is–
(A) 300 - 400 V (B) 100 - 200 V
(C) 1000 - 10,000 V (D) 20,000 V✓
15. Multiple Universal joints are preferred I over single joints because they–
(A) Provide higher strength (B) Minimize speed fluctuation✓
(C) Are li8hter in weight (D) Are more flexible
16. In diesel cycle, heat is added at–
(A) Constant pressure✓ (B) Constant volume
(C) Constant temperature (D) Adiabatically
17. The injection pressure of CI engine used on tractor is in the range of–
(A) 0 - 6 kg/ cm 2 (B) 60 - 120 kg/cm2
(C) 120 - 200 kg/ cm2✓ (D) 200 - 300 kg/ cm2
18. A six cylinder engine can have possible number of firing orders.
(A) 2✓ (B) 3
(C) 4 (D) 6
19. Thermal efficiency............with increase in stroke : bore ratio–
(A) Decreases (B) Increases✓
(C) Remains the same (D) None of the above
20. Traction and transmission co - efficient is defined as–
(A) Ratio of drawbar hp to PTO hp✓
(B) Ratio of input hp to axels to draw bar hp
(C) Ratio of pull developed to normal load on traction member
(D) None of the above
21. Seed drill have slip equal to–
(A) Zero (B) Positive slip✓
(C) Negative slip (D) None of the above
22. White smoke indicates–
(A) Burning of lubricating oil in cylinder
(B) Presence of water in the fuel✓
(C) That engine is over loaded
(D) Richer mixture of fuel and air
23. Blue smoke indicates–
(A) Burning of lubricating oil in cylinder✓
(B) Presence of water in the fuel
(C) That engine is over loaded
(D) Richer mixture of fuel and air
24. Efficiency of a pair of bullocks is ....... the efficiency of a single bullock in field–
(A) Less than✓ (B) Greater than
(C) Equal to (D) Twice
25. The traction co - efficient is maximum in the field when–
(A) it is ploughed (B) it is irrigated
(C) it is dry✓ (D) it is ploughed irrigated
26. In a C. I. engine, the compressor pressure inside the cylinder normally in the range of kg/cm2–
(A) 15 - 25 (B) 25 - 35
(C) 35 - 45✓ (D) 45 - 55
27. The calorific value of HS D is .... Kcal/kg–
(A) 10,000 (B) 10,550✓
(C) 11,100 (D) 11,650
28. The type of starting aid generally used in diesel power tiller is–
(A) Glow plug (B) Thermostart
(C) Decompression lever✓
(D) Intake manifold surrounded by exhaust manifold
29. for a wheeled tractor with mass M and velocity Y, the expression for total kinetic energy resulting from the linear motion of the tractor is given by–
(A) KE = (1/2) My2 (B) KE = My2
(C) KE = (11/20) My2✓ (D) None of the above
30. The firing order of a 4 - stroke 4 - cylinder engine is given as–
(A) 1 - 2 - 3 - 4 (B) 1 - 3 - 2 - 4
(C) 1 - 3 - 4 - 2✓ (D) 1 - 4 - 3 - 2
31. In a tractor, the centre of gravity should be located approximately a head of rear axle–
(A) 1/4 of the wheel base (B) 1/3 of the wheel base✓
(C) 2/3 of the wheel base (D) 3/4 of the wheel base
32. Clutch in the tractors is designed on the basis of–
(A) Constant torque (B) Road
(C) Constant pressure✓ (B) Constant power
33. Air pressure in the front tyres of a tractor is than in rear wheels–
(A) Higher✓ (B) Lower
(C) Equal (D) May be higher sometimes lower
34. The length of Gunter chain (Surveyor) is–
(A) 66 ft.✓ (B) 100 ft.
(C) 33 ft. (D) 50 ft
35. A stubble type mould board gives–
(A) Medium pulverisation (B) Through pulverisation✓
(C) Little pulverisation (D) None of the above
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