Agricultural Engineering Set 31

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This set of Agricultural Engineering Multiple Choice Questions & Answers (MCQs) focuses on Agricultural Engineering Set 31

Q1 | The process of removal of burnt gases from the engine cylinder is
  • Scavenging
  • Detonation
  • Knocking
  • Burning
Answer: Scavenging
Q2 | A contracted trapezoidal weir in which each side of the notch has a slope of horizontal 1 to 4 vertical is
  • Trapezoidal weir
  • Cipoletti weir
  • Rectangular weir
  • V-notch
Answer: Cipoletti weir
Q3 | Control of gully erosion can be achieved by sue of
  • Spurs
  • Wooden plank dams
  • Retaining wall
  • None of these
Answer: None of these
Q4 | BHP of the engine indicates
  • Power in cylinder
  • Power on flywheel
  • Power drawbar
  • Power at PTO pulley
Answer: Power on flywheel
Q5 | The capillary rise of the dry range of soil moisture content is
  • Much faster than wet range
  • Much slower than wet range
  • Uniform in wet range
  • None of these
Answer: Much slower than wet range
Q6 | Oil filters are made of
  • Cloth
  • Paper
  • Felt or wire screen
  • All are correct
Answer: All are correct
Q7 | Angle of repose for paddy ranges between
  • 25-30 degree
  • 30-40 degree
  • 30-45 degree
  • 35-50 degree
Answer: 30-45 degree
Q8 | The IHP of an engine is always
  • Less than BHP
  • More than BHP
  • Equal to the BHP
  • Equal to the FHP
Answer: More than BHP
Q9 | Starting motor consists of
  • Alternate current
  • Direct current
  • Both (a) & (b)
  • None of these
Answer: Both (a) & (b)
Q10 | Essential feature of good clutch is
  • Ability to taking load without dragging and chattering
  • Capacity to transmit maximum load without slipping
  • High resistant to friction and easy control by hand or pedal lever
  • All are correct
Answer: All are correct
Q11 | Diesel engine is
  • Compression ignition engine
  • Spark ignition engine
  • External combustion engine
  • None of these
Answer: Compression ignition engine
Q12 | The specific heat of diesel is nearly
  • 1.5 KJ/Kg?C
  • 1.9 KJ/Kg?C
  • 2.0 KJ/Kg?C
  • All are correct
Answer: 1.9 KJ/Kg?C
Q13 | In constant mesh transmission system, the gear used to control the noise is
  • Spur gear
  • Bevel gear
  • Helical gear
  • Spiral gear
Answer: Helical gear
Q14 | Kinetic energy of raindrop depends on
  • Drop size
  • Terminal velocity
  • Particle size
  • Both (b) & (c)
Answer: Both (b) & (c)
Q15 | Spline shafts are used when the torque transmission is in
  • Small amount
  • Large amount
  • Both (a) & (b)
  • None of these
Answer: Large amount
Q16 | The hand operated compressed air sprayer utilizing the pressure from
  • 1.4-4.0 kg/cm2
  • 1.75-5.0 kg/cm2
  • 1.0-6.0 kg/cm2
  • 2.5-7.5 kg/cm2
Answer: 1.75-5.0 kg/cm2
Q17 | A reflector used in solar power plant to reflect sunlight is
  • Convex reflector
  • Concave reflector
  • Plane reflector
  • All are correct
Answer: Concave reflector
Q18 | The clearance volume is the volume of air or mixture left in the cylinder when piston is at
  • BDC
  • TDC
  • Between TDC and BDC
  • All are correct
Answer: TDC
Q19 | When brake is applied the kinetic energy of body is converted into
  • Electrical energy
  • Heat energy
  • Chemical energy
  • Mechanical energy
Answer: Heat energy
Q20 | Nozzle spacing on boom is governed by
  • Height of crop
  • Density of crop
  • Type of spray
  • All are correct
Answer: All are correct
Q21 | Revolution of an engine (engine speed) is measured by
  • Tachometer
  • Spring Dynamometer
  • Eddy current dynamometer
  • All are correct
Answer: Tachometer
Q22 | In power thresher, a semi-circular disc is inserted between cylinder and straw thrower to achieve
  • Higher threshing efficiency
  • Higher winnowing efficiency
  • Minimize breakage loss
  • Minimize blown losses
Answer: Higher threshing efficiency
Q23 | The number of winding in the stator of alternator is
  • 1
  • 2
  • 3
  • 4
Answer: 3
Q24 | Friction plate is part of
  • Clutch
  • Final drive
  • Differential
  • None of these
Answer: Clutch
Q25 | Wind is a source of
  • Inexhaustible energy
  • Exhaustible energy
  • Non-renewable energy
  • None of these
Answer: Inexhaustible energy
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