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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