Mangers used in dairy barn should have widths ranging from . . . . . . . . cm to . . . . . . . . cm.
A. 75 and 90
B. 60 and 75
C. 45 and 75
D. 75 and 100
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In the diesel engine, the Detonation or Knocking occurs mainly due to
A. Liquid fuel accumulation
B. Ignition lag
C. Both A and B
D. High CR
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The percentage error in the computed discharge over a triangular notch corresponding to an error of 1% in the measurement of the head over the notch would be
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What is intensity of rainfall?
A. Depth of rainfall for a given return period
B. Rainfall per unit area (km2 )
C. Total rainfall in a period
D. Depth of rainfall per unit time during which it fell
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Gobar gas manure contains about . . . . . . . . % of nitrogen.
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In a combine harvestor, the ratio of reel peripheral speed to forward speed (reel speed index) should normally be in the range of
A. 1.10 - 1.20
B. 1.25 - 1.50
C. 1.75 - 2.00
D. None of the above
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Speed of the cutter bar in case of combine (grain) is
A. 100 - 250 rpm
B. 500 - 800 rpm
C. 800 - 1000 rpm
D. 400 - 550 rpm
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What is the API gravity of the pure water at 60°F?
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Unthresheld seed discharged from the rear of the machine either in straw or in the material from the cleaning shoe is called
A. Cylinder loss
B. Walker loss
C. Shoe loss
D. None of these
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The average capacity (cubic meter) of septic tank should not be less than
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Sub soiler plough is best suited for
A. Deep ploughing
B. Breaking hand fan
C. Making ditches
D. Inter cultivation
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Density of milk fat is . . . . . . . . kg/m3 .
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The energy loss due to the friction at the walls of a pipe is called . . . . . . . .
A. Kinetic friction
B. Skin friction
C. Static friction
D. None of the above
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Time temperature combination for UHT pasteurization of milk is
A. 63°C for 30 min
B. 135°C for 1 sec
C. 72°C for 15 sec
D. 100°C for 20 sec
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Boiling point of water raised about . . . . . . . .°C in the pressurized cooling system.
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Long tube evaporator is used for the processing of
A. Condensed milk
B. Orange juice
C. Gelatin
D. Antibody
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Cultivation with implements to control weeds before the crop comes up is called
A. Blind tillage
B. After cultivation
C. Secondary tillage
D. None of the above
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Freezing point of Freon-12 is
A. -77°C
B. -157°C
C. -250°C
D. -33°C
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Generally roots occupy of . . . . . . . . soil mass.
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Compression pressure in diesel engine cylinder is
A. 6 - 10 kg/cm2
B. 10 - 20 kg/cm2
C. 35 - 45 kg/cm2
D. None of these
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