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This set of Agricultural Engineering Multiple Choice Questions & Answers (MCQs) focuses on Agricultural Engineering Set 20
Q1 | Surface creep is carried out by the action of
- Rolling and jumping
- Rolling or sliding
- Both (a) and (b)
- None of these
Q2 | The mowers are designed to cut
- Wheat
- Paddy
- Mustard
- Grasses
Q3 | The major controlling factor in separation of grain by fluidized bed separator is
- Air velocity and weight of grain
- Shape and size of grain
- Shape and texture of grain
- Magnetic and arodynamic properties of grain
Q4 | Suitable lubricant for 2-stroke engines is
- Crude petroleum lubricant
- Vegetable lubricant
- Mineral lubricant
- None of these
Q5 | The work timing gear is to
- Control the ignition timing
- Control the fuel injection timing
- Control the timing of opening and closing of valves
- All are correct
Q6 | The six-cylinder engine with possible number of firing orders is
- 6
- 4
- 3
- 2
Q7 | A machine used to cut crops and deliver them in a uniform manner in a row is
- Combine
- Mower
- Reaper binder
- Windrower
Q8 | The percentage of healthy grain obtained from all outlets with respect to healthy grains received from main outlet by weight is
- Blower loss
- Sieve loss
- Cylinder
- Visible loss
Q9 | The volume of water discharged per unit time is
- Drawdown
- Well yield
- Specific capacity
- All are correct
Q10 | Leakage factor is the property of
- Confined aquifer
- Semi-confined aquifer
- Unconfined aquifer
- All are correct
Q11 | The solar radiation received directly from the sun is
- Beam radiation
- Scattered radiation
- Diffuse radiation
- Reflected radiation
Q12 | The particle size of silt according to USWA is
- >0.002 mm
- <0.002 mm
- 0.002 to 0.05 mm
- 0.25 to 0.5 mm
Q13 | When the soil moisture and rainfall are inadequate during the growing season to support healthy crop growth to maturity is called
- Metrological drought
- Hydrological drought
- Agricultural drought
- None of these
Q14 | In dry milling process, the following operations are done prior to oil treatment is
- Conditioning
- Pitting
- Polishing
- Grading
Q15 | The lines on a map through places having equal depth of evapotranspiration is called
- Isohyets
- Isobar
- Isopleths
- None of these
Q16 | In the cylinder sorter, the inclination of cylinder for dry granular material is kept up to
- 75 mm/mb
- 100 mm/m
- 125 mm/m
- 150 mm/m
Q17 | In diesel engines, fuel injected in the cylinder is through
- Carburetor
- Fuel injection pump
- Fuel injector
- All are correct
Q18 | The size of seed drill expressed by
- Length and width of machine
- Area covered per unit time
- Number of furrow opener x spacing between two furrow openers
- All are correct
Q19 | The ratio of reel peripheral speed to forwards speed of combine is termed as
- Reel velocity
- Reel index
- Reel diameter
- Reel speed
Q20 | The sequence of gears and shafts through which the engine power transmitted to tractor wheel is called
- Gear system
- Transmission
- Both (a) & (b)
- None of these
Q21 | Kinetic energy of raindrop depends on
- Terminal velocity of raindrop
- Drop diameter
- Rainfall intensity and time in chronological order
- All are correct
Q22 | Volumetric efficiency of air-cooled engines in comparison to water-cooled engines is
- Higher
- Lower
- Equal
- None of these
Q23 | In anaerobic digestion, biogas production by bacterial decomposition is
- Presence of oxygen
- Absence of oxygen
- Presence of CO2
- Absence of CO2
Q24 | Traction coefficient is maximum in a field when
- It is dry
- It is cultivated
- It is irrigated
- All are correct
Q25 | The pressure of water in confined aquifer is
- Above atmospheric pressure
- At atmospheric pressure
- Below atmospheric pressure
- All are correct