Agricultural Engineering Set 50

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This set of Agricultural Engineering Multiple Choice Questions & Answers (MCQs) focuses on Agricultural Engineering Set 50

Q1 | Purpose of cooling
  • To maintain the optimum temperature of engine
  • To dissipate surplus heat for protection
  • To maintain the lubricating property of oil
  • All are correct
Answer: All are correct
Q2 | The gaskets are used to
  • Prevent leakage
  • Prevent dust
  • Prevent wear
  • All of above
Answer: Prevent leakage
Q3 | The porosity of clayey soil usually ranges from
  • 30 to 35 %
  • 35 to 50%
  • 40 to 60%
  • 45 to 65%
Answer: 40 to 60%
Q4 | The operating speed of combine harveter varies within a range of
  • 600-800 rpm
  • 900-1000 rpm
  • 600-1400 rpm
  • Above 1500 rpm
Answer: 600-1400 rpm
Q5 | Water held by force of surface tension is
  • Gravitational water
  • Hygroscopic water
  • Capillary water
  • None of these
Answer: Capillary water
Q6 | The material used for construction of cylinder block is
  • Cast iron and steel
  • Cast iron and aluminum alloy
  • Brass and steel
  • Steel and aluminum allow
Answer: Cast iron and aluminum alloy
Q7 | Percentage of bran in therice is
  • 2-4%
  • 4-6%
  • 6-8%
  • 8-10%
Answer: 4-6%
Q8 | For paddy, the recommended speed of threshing drum is
  • 10-15 m/s
  • 16-25 m/s
  • 22-32 m/s
  • 25-32 m/s
Answer: 16-25 m/s
Q9 | Lubricants obtained from vegetables is suitable for
  • Small and simple implements
  • Tractor and stationary engines
  • All heavy implements
  • None of these
Answer: Small and simple implements
Q10 | The action involved in harvesting of crops is
  • Scissors action
  • Tearing action
  • Slicing action
  • All are correct
Answer: All are correct
Q11 | The shovel of seed drill is made up of
  • Cast iron
  • Mild steel
  • White metal
  • Carbon steel
Answer: Carbon steel
Q12 | Diesel engine works on principle of
  • Diesel cycle
  • Otto cycle
  • Carnot cycle
  • None of these
Answer: Diesel cycle
Q13 | The drum type thresher is
  • Rash bar type
  • Hammer mill type
  • All are correct
  • All are correct
Answer: Hammer mill type
Q14 | The major constitute of biogas is
  • Methane
  • Ethane
  • Carbon dioxide
  • Carbon monoxide
Answer: Methane
Q15 | In pressurized water cooling. The boiling point of coolant can be increased by increasing its
  • Temperature
  • Pressure
  • Both (a) & (b)
  • None of these
Answer: Pressure
Q16 | For hot climate the suitable type of tractor is
  • Water cooled
  • Air cooled
  • Both (a) & (b)
  • None of these
Answer: Both (a) & (b)
Q17 | Inflation pressure of rear tyre of tractor is
  • 0.8 to 1.2 kg/cm2
  • 0.1 to 1.5 kg/cm2
  • 1.2 to 2.0 kg/cm2
  • 2.0 to 2.5 kg/cm2
Answer: 0.8 to 1.2 kg/cm2
Q18 | Detonation results in
  • Interruption in lubrication
  • Delay in ignition
  • Loss of power
  • All are correct
Answer: Loss of power
Q19 | The type furrow opener used in zero tillage implement is
  • Reversible type
  • Inverted type
  • Shoe type
  • Hoe type
Answer: Inverted type
Q20 | In battery ignition system primary cricuit includes
  • Primary coil
  • Secondary coil
  • Both (a) & (b)
  • None of these
Answer: Primary coil
Q21 | Stroke law is applied when Reynoid's number is
  • Less than 1
  • More than
  • Less than 2
  • Less than or equal to
Answer: Less than or equal to
Q22 | The viscosity is measured in
  • Dynes
  • Newton
  • Poise
  • Joule
Answer: Poise
Q23 | Ratio of brake horsepower to indicated horsepower is
  • Thermal efficiency
  • Volumetric efficiency
  • Mechanical efficiency
  • Brake efficiency
Answer: Mechanical efficiency
Q24 | In evaporating cooling the temperature of cooling water is allowed to reach a temperature of
  • 50?C
  • 100?C
  • 110?C
  • 130?C
Answer: 100?C
Q25 | The coupling used to join to shaft in line is
  • Flexible coupling
  • Oldham coupling
  • Flanged coupling
  • Universal coupling
Answer: Flanged coupling
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