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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