Agriculture Engineering Typical Question Papers
1. The tilt angle of the disc plough is ___________.
(1) 5° to 10°
(2) 15° to 25°
(3) 30° to 40°
(4) 40° to 45°
2. To control the flying insects droplet size required is micron metre.
(1) 50 to 100
(2) 125 to 150
(3) 10 to 50
(4) 150 to 200
3. While calculating the optimum number of rain gauge stations in a watershed, the allowable error for estimation of rainfall is generally taken as:
(1) 8%
(2) 10%
(3) 4%
(4) 20%
4. The coding of watershed should be started from:
(1) middle of watershed towards lower end
(2) downstream end and proceeded to upstream end
(3) upstream end and proceeded to downstream end
(4) none of the above
5. What is the name for the contours of constant wind power (Watts/ m2) of area perpendicular to wind flow)?
(1) Isohytes
(2) Isobars
(3) Isodynes
(4) Iso octane
6. For the reclamation of Alkali soil the suitable salt is soluble:
(1) Sodium
(2) Calcium
(3) Sodium bicarbonate
(4) None of the above
7. In three point hitch system ___________ links are in tension.
(1) One
(2) Three
(3) Two
(4) four
8. Movement of soil particles move by bouncing along the bed is termed as:
(1) Saltation
(2) Suspension
(3) Surface creep
(4) Bed load
9. Gully cuts the ‘C’ horizon in development stage number:
(1) 1
(2) 2
(3) 3
(4) 4
10. The priority of subwatershed for treatment is decided on the basis of:
(1) productivity
(2) sediment yield
(3) vegetation
(4) area of subwatershed
11. An opening made in a wall for the purpose of providing day light, vision and ventilation is known as:
(1) Door
(2) open wall
(3) window
(4) none of these
12. How much quantity of biogas is roughly required to run a one horse power engine for 2 hours?
(1) 0.01 cu.m
(2) 0.10 cu.m
(3) 1 cu.m
(4) 10 cu.m
13. Contour farming is most effective to control erosion on land slopes of:
(1) 1 to 3%
(2) 3 to 7%
(3) 7 to 12%
(4) > 12%
14. In system terminology the input of unit hydrograph is:
(1) base flow
(2) rainfall excess
(3) rainfall depth
(4) rainfall intensity
15. Freeze dried operations are performed under a predetermined pressure of a few hundred microns between temperature of:
(1) -5° to 30°C
(2) -10° to 40°C
(3) -15° to 45°C
(4) None of these
16. In variable grade given to a graded bund, the maximum grade is kept at:
(1) upper end of the bund
(2) middle portion of the bund
(3) out let end of the bund
(4) whole length of the bund
17. Runoff samples are collected by:
(1) stage level recorder
(2) H-flume
(3) V-notch
(4) Multislot diviser
18. No load test on transformer is carried out to determine:
(1) Copper loss
(2) Magnetizing current
(3) Magnetizing current and no load loss
(4) Efficiency of transformer
19. All watershed development works should start from:
(1) upper reaches of the watershed
(2) middle reaches of the watershed
(3) lower reaches of the watershed
(4) none of the above
20. Small watersheds are characterized by:
(1) overland flow dominating channel flow
(2) land use affecting overland flow
(3) channel characteristics affecting overland flow
(4) base flow dominating channel flow
More Questions on Agriculture Engineering
21. Safe level of moisture in grains is required for preservation of:
(a) Quantity
(b) Quality
(c) nutritive value
(d) viability
(1) (a) and (b) are correct
(2) (a), (b) and (c) are correct
(3) (c) and (d) are correct
(4) (a), (b), (c) and (d) are correct
22. Pick up the wrong statement from the following:
(1) Transport of sediment particles by rolling along the bed is known as saltation
(2) Trap efficiency of the reservoir decreases with increase in capacity-inflow ratio
(3) A bed load at one section may move as suspended load at another section
(4) Deposition of coarse sediments takes place at the entrance to the reservoir.
23. Pusa bin is a moisture free bin made of __________.
(1) Burnt bricks
(2) Unburnt bricks
(3) Stone blocks
(4) Cement blocks
24. Mangers used in dairy barns should have widths ranging between __________.
(1) 60 to 75 cm
(2) 90 to 115 cm
(3) 75 to 90 cm
(4) None of these
25. Among the theories of moisture movement phenomena in cereal grains, which one of the following is not popular?
(1) Light diffusion
(2) Surface diffusion
(3) Vapour diffusion
(4) Thermal diffusion
26. The minimum thickness of the filter material placed around the tile drain should be:
(1) 5 cm
(2) 7.5 cm
(3) 10 cm
(4) 12.5 cm
27. During pasteurization milk is held in HTST pasteurizer for 15 seconds at a temperature of:
(1) 71°C
(2) 55°C
(3) 61°C
(4) 78°C
28. Type of furrow opener suitable for hard soil, trashy field and wet sticky soil is:
(1) Double disc type
(2) Single disc type
(3) Inverted T-type
(4) Shovel type
29. Terminal velocity for soyabean is __________.
(1) 11.3 m/sec
(2) 22.3 m/sec
(3) 33.3 m/sec
(4) 44.3 m/sec.
30. In drying, __________ causes movement of moisture from inside of kernel to the surface.
(1) vapour pressure gradient
(2) temperature gradient
(3) humidity gradient
(4) None of the above
31. The dry bulb temperature, wet bulb temperature and dew point temperature of moist air are equal when relative humidity (RH) is ___________ percent.
(1) Zero
(2) 10
(3) 50
(4) 100
32. The electrical resistance of grain depends upon
(1) grain compaction
(2) grain temperature
(3) moisture presents in grain
(4) All of the above
33. The shape of a lemon fruit is classified as __________ spheroid.
(1) Oblate
(2) Prolate
(3) Ovate
(4) obovate
34. The angle of repose _________ with an increase in the moisture content of food materials.
(1) Increases
(2) Decreases
(3) either increases or decreases
(4) remains unchanged
35. In Rheology, the Maxwell model is represented as
(1) Dashpot
(2) Spring
(3) spring and dashpot in parallel
(4) spring and dashpot in series
36. ____________ is especially useful for removing lightweight infertile seeds from seed stock and hence improves seed germination.
(1) Screen cleaner
(2) Specific gravity separator
(3) Spiral separator
(4) Indented cylinder separator
37. In air screen cleaners, for cleaning of round shaped grains, _________ are used.
(1) top screen round holes and bottom screen slotted holes
(2) top screen slotted holes and bottom screen round holes
(3) top screen triangular holes and bottom screen slotted holes
(4) top screen slotted holes and bottom screen triangular holes
38. The hammer mill is assumed to reduce size by
(1) Impact
(2) Compression
(3) Shearing
(4) Crushing
39. Majority of HTST pasteurizers use __________ heat exchangers with sections for regenerative heating, heating and cooling.
(1) plate type
(2) double pipe
(3) shell and tubes
(4) shell and coil
40. Fan laws state that the pressure developed by a centrifugal pump varies as
(1) its rotational speed
(2) square of rotational speed
(3) cube of rotational speed
(4) independent on its rotational speed
41. Planck’s law can be used for estimation of
(1) Time of freezing
(2) Time of drying
(3) Time of boiling
(4) Time of germination
42. The amount of heat conducted across unit area and unit thickness of a material in unit time for unit change in temperature is
(1) Enthalpy
(2) Specific heat
(3) Thermal diffusivity
(4) Thermal conductivity
43. _________ permits early harvest of crops.
(1) Storage
(2) Cooling
(3) Drying
(4) None of the above
44. The value of dry basis moisture content is _________ the wet basis moisture content.
(1) less than
(2) equal to
(3) more than
(4) None of the above
45. _________ properties may be defined as those which affect the behaviour of agricultural material under applied force.
(1) Thermal
(2) Mechanical
(3) Rheological
(4) None of the above
46. ________ properties may be defined as the science which deals with the deformation and flow of material under action of applied forces.
(1) Rheological
(2) Mechanical
(3) Thermal
(4) None of the above
47. The _________separates materials on the basis of difference in length of various constituents.
(1) Air-screen cleaner
(2) Specific gravity separator
(3) Disk separator
(4) Spiral separator
48. The major purpose of blanching is to inactivate _________ which would otherwise lead to quality reduction in processed food.
(1) Enzymes
(2) micro-organisms
(3) yeast
(4) insects
49. Wind speeds increase with height. Wind speeds have traditionally been measured at a standard height of _________ where they are found to be _________ greater, than close to the surface.
(1) 5.0 metres; 10 to 20%
(2) 7.0 metres; 15 to 25%
(3) 10.0 metres; 20 to 25%
(4) 8.0 metres; 15 to 20%
50. The best suited material for the construction of transformer core is
(1) Silicon steel
(2) Hard steel
(3) Wrought iron
(4) Copper
