Agricultural Engineering Set 18

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This set of Agricultural Engineering Multiple Choice Questions & Answers (MCQs) focuses on Agricultural Engineering Set 18

Q1 | The efficiency of IC engines varies from
  • 25 to 32 per cent
  • 30 to 40 per cent
  • 35 to 40 per cent
  • 32 to 38 per cent
Q2 | The value of angle of repose for millets is about
  • 15-20 degree
  • 20-25 degree
  • 25-30 degree
  • 30-35 degree
Q3 | In IC engines the method used for ignition of fuel is
  • Electric sparks
  • Heat of compression
  • Open flame and hot tube
  • All are correct
Q4 | Terminal velocity of wheat grain is
  • 8-10 m/s
  • 9-11.5 m/s
  • 10-12.5 m/s
  • 10-13 m/s
Q5 | Supercharger of an engine is driven by
  • Camshaft
  • Crankshaft
  • Exhaust gases
  • Flywheel
Q6 | The thermal efficiency of CI engine is
  • Higher than SI engine
  • Lower than SI engine
  • Equal to SI engine
  • None of these
Q7 | Engine is a device, which converts
  • Chemical energy into mechanical
  • Mechanical energy into chemical
  • Chemical energy into electrical energy
  • Mechanical energy into electrical
Q8 | In force feed lubrication system pump is driven by
  • Camshaft
  • Crankshaft
  • Both (a) & (b)
  • None of these
Q9 | The gas holder used in floating gas type biogas plant is
  • Conical
  • Spherical
  • Inverted drum
  • All are correct
Q10 | The part of seed drill that conveys seed or fertilizer from deliver tube to furrow is
  • Shoe
  • Boot
  • Furrow opener
  • Seed tube
Q11 | ONK-B sprayer duster is used as
  • Spraying of liquid
  • Dusting of dry pesticides
  • Dusting of wet pesticides
  • All are correct
Q12 | The threshing cylinder used in groundnut thresher is
  • Spike tooth type
  • Rasp bar type
  • Hammer mill type
  • Angle bar type
Q13 | The two-stroke engine is
  • Diesel engine
  • Steam engine
  • Petrol engine
  • None of these
Q14 | The combine harvester is a machine designed for
  • Harvesting crop
  • Threshing of harvested crop
  • Separation and cleaning of harvested crop
  • All are correct
Q15 | In an adiabatic process system
  • Temperture is constant
  • Pressure is constant
  • Heat is constant
  • Volume is constant
Q16 | Direct runoff is made up of
  • Overland flow
  • Surface runoff and prompt inter flow
  • Surface runoff and infiltration
  • Rainfall and evapotranspiration
Q17 | Specific speed of pump expresses relationship between
  • Pump speed
  • Pump discharge
  • Total head
  • All are correct
Q18 | A governor based on the principle that the change of pressure in one part of system produces an opposite change of much greater magnitude in other part is called
  • Centrifugal governor
  • Pneumatic governor
  • Hydraulic governor
  • None of these
Q19 | Tidal energy is the
  • Renewable energy
  • Non-renewable energy
  • Exhaustible
  • None of these
Q20 | The downward movement of water through saturated or nearly saturated soil is response to force of gravity is
  • Infiltration
  • Percolation
  • Seepage
  • Inter flow
Q21 | A cylinder block is normally made of
  • Aluminium
  • Cast iron
  • High carbon steel
  • Mild steel
Q22 | The biogas production stops at an atmospheric temperature of
  • 5?C
  • 10?C
  • 14?C
  • 18?C
Q23 | The ratio of the speed at the tip of rotor to the wind speed is called
  • Wind speed ratio
  • Rotor speed ratio
  • Tip speed ratio
  • All are correct
Q24 | The firing order of eight-cylinder engine is
  • 1 ? 5 ? 4 ? 2 ? 6 ? 3 ? 7 ? 8
  • 1?2?6?3?4?7?5?8
  • 1?5?3?4?2?7?8
  • 1?2?4?6?7?3?5?8
Q25 | Centre of resistance of plough lie at a distance of
  • 1/3rd size of plough from share wing
  • 3/4rd size of plough from share wing
  • 1/2 size of plough from share wing
  • All fire correct