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This set of Agricultural Engineering Multiple Choice Questions & Answers (MCQs) focuses on Agricultural Engineering Set 7
Q1 | The period petween start of injection and ignition is called
- Ignition period
- Injection time
- Ignition delay
- All are correct
Q2 | In a windmill, tip speed ratio increases with
- Increase of number of blades
- Decrease of number of blades
- Independent of blade number
- None of these
Q3 | For engine bearings, a type of lubrication system adopted is
- Gravity feed lubrication
- Wick lubrication
- Ring lubrication
- All are correct
Q4 | The governor is used on tractor engine is called
- Constant speed governor
- Variable speed governor
- Both (a) & (b)
- None of these
Q5 | Single plate clutch is also known as
- Single disk clutch
- Double disk clutch
- Dog clutch
- All are correct
Q6 | In four-stroke cycle engine, one power stroke is obtained after every
- Half revolution of crankshaft
- One revolution of crankshaft
- Two revolution of crankshaft
- Three revolution of crankshaft
Q7 | In hydraulic sprayers, the degree of atomization is primarily a function of
- Air velocity
- Size of nozzle
- Size and shape of atomizer
- Liquid pressure and the nozzle characteristics
Q8 | The shelling of paddy in rubber roll sheller is due to
- Rubbing
- Crushing
- Shearing
- All are correct
Q9 | In comparison to raw rice is parboiled rice rich in
- Protein
- Vitamin
- Minerals
- All are correct
Q10 | A subsoiler is used to break a hard pan of soil upto a depth of
- 15 cm
- 20 cm
- 30 cm
- 100 cm
Q11 | In spark ignition engines fuel is ignited by
- Battery ignition system
- Magneto ignition system
- Both (a) & (b)
- None of these
Q12 | The useful working hours of mounted type combine is
- 1000
- 1200
- 1800
- 2000
Q13 | At steep slope the depth of flow is
- Less than the flat surface
- More than the flat surface
- Same flow depth
- None of these
Q14 | Erosion is the interaction
- Erosivity and rainfall intensity
- Erodibility and land use
- Erosivity and erodibility
- None of these
Q15 | The low speed engine runs at speed of
- 350 rpm
- Less than 350 rpm
- More than 350 rpm
- More than 1000 rpm
Q16 | The detonation of fuel takes place during
- Combustion
- Injection
- Exhaust
- None of these
Q17 | Turbocharger of an engine is driven by
- Dynamo
- PTO shaft
- Exhaust gas
- Air
Q18 | In ignition system, magneto is used for
- Supply of fuel
- Supply of spark
- Supply of air fuel mixture
- Supply of air
Q19 | Of the following, which is the form of precipitation?
- Rainfall
- Snowfall
- Hail
- All are correct
Q20 | V' pocket (vetch) type disc separator is used for separation
- Oblong shape material
- Irregular shape material
- Round shape material
- All are correct
Q21 | A tank capacity of rotary type hand duster is about
- 2.6-4.5 kg
- 3.6-4.5 kg
- 4.0-0.5 kg
- 5.0-8.5 kg
Q22 | Venturi tube is provided in carburet or for
- Producing low pressure
- Producing high pressure
- Both (a) & (b)
- None of these
Q23 | In airplane sprayer, the tank capacity ranges between
- 450-1000 liters
- 450-1500 litres
- 450-1800 litres
- 450-2200 litres
Q24 | In attrition mill, the size of food grains is reduced due to
- Impact and shear
- Shear and crushing
- Impact and crushing
- Impact only
Q25 | In angle bar cylinder type thresher the clearance between cylinder and concave unit at entrance is
- 7-13 mm
- 13-19 mm
- 15-20 mm
- 20-25 mm