Agricultural Engineering Set 19

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This set of Agricultural Engineering Multiple Choice Questions & Answers (MCQs) focuses on Agricultural Engineering Set 19

Q1 | Downstream section of straight drop spillway is called as
  • Apron
  • Stilling basin
  • Both (a) & (b)
  • None of these
Q2 | In thin layer drying, the depth of grain layer should be
  • 20 cm
  • Less than 20 cm
  • More than 20 cm
  • None of these
Q3 | The term harvesting is associated with
  • Cutting of crop
  • Picking of pods
  • Plucking and digging
  • All are correct
Q4 | A long mould board with gentle curvature used in tough soil full of grasses is
  • Stubble type MB
  • Breaker type MB
  • Slat type MB
  • General purpose
Q5 | The threshing of crop by stripping is done with the help of
  • Hooves of animal
  • Peg/hoop of threshing
  • Both (a) & (b)
  • None of these
Q6 | Bench terracing is also called as
  • Hill farming
  • Staircase farming
  • Erosion control farming
  • None of these
Q7 | The stubble type of mould board is mostly suitable for
  • Grassy land
  • Tough soil
  • Sticky soil
  • None of these
Q8 | The depth measured at the centre of the disc by placing its concave side down on a flat surface is
  • Convexity
  • Concavity
  • Both (a) & (b)
  • None of these
Q9 | Constant speed engine is used in
  • Tractor
  • Power tiller
  • Motor car
  • Electric generator
Q10 | The seed tubes are made of
  • Rubber
  • Plastic
  • Mild steel
  • All are correct
Q11 | Drying temperature for using batch-bin dyers is
  • 55?C
  • 60?C
  • 65?C
  • 70?C
Q12 | Chemically correct air mixture ratio for Otto cycle engine is
  • 12;1
  • 14;1
  • 15;1
  • 20;1
Q13 | The rate of doing work is equal to
  • 75 kg n/min
  • 4500 kg m/min
  • 27000 kg m/hr
  • All are correct
Q14 | A point at which the resultant of all horizontal and vertical forces acts is
  • Centre of gravity
  • Centre of resistance
  • Centre of pull
  • Line of pull
Q15 | Ratio of net pull produced for the dynamic normal load on traction device is called
  • Tractive force
  • Traction constant
  • Net traction coefficient
  • All are correct
Q16 | Air injection pumps are mostly used in
  • Tractor engine
  • Railway engine
  • Aircraft engine
  • Heavy duty stationary engine
Q17 | The viscosity of oil denoted by a number is
  • Cetane number
  • Octane number
  • SAE number
  • None of these
Q18 | Gears are generally made of
  • Cast iron
  • High crabon steel
  • Aluminium alloy
  • Alloy steel
Q19 | The purpose of harrowing is to
  • Pulverize soil
  • Destroy weeds
  • Break clods
  • All are correct
Q20 | The solar cells used in solar panel are used to convert solar energy into
  • Chemical energy
  • Mechanical energy
  • Electrical energy
  • None of these
Q21 | The thermal efficiency of diesel engine varies between
  • 25 and 32 per cent
  • 32 and 38 per cent
  • 32 and 40 per cent
  • 40 and 45 per cent
Q22 | The press wheel used for compaction of soil around the seeds in high moisture conditions are
  • Open centre wheel
  • Solid steel narrow wheel
  • Hallow steel narrow wheel
  • None of these
Q23 | In wind erosion movement of particle is carried out by
  • Saltation and surface creep
  • Suspension
  • Saltation, suspension and surface creep
  • None of these
Q24 | Ratio of total force output of the traction device in direction of travel to dynamic weight on traction device is
  • Tractive efficiency
  • Coefficient of traction
  • Coefficient of rolling resistance
  • Wheel slip
Q25 | A disadvantage of air-cooling system is
  • Uneven cooling of engine parts
  • Engine temperature is high
  • Both (a) & (b)
  • None of these