In drainage design 20 - 40 rule is used for
A. Computation of discharge below the junction
B. Computation of spacing of tile drains
C. Computation of tile joint with spacing S
D. None of the above
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What is the reel speed index of a combine harvester?
A. 1.50 to 1.75
B. 1.25 to 1.50
C. 1.75 to 2.00
D. 2.50 to 2.75
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Viscosity of gas
A. Increases with increasing temperature
B. Decreases with decreasing temperature
C. Does not depend on the temperature
D. First increases and then decreases
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The specific gravity of skim milk is
A. Higher than whole milk
B. Same as whole milk
C. Lower than whole milk
D. Same as water
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Bacteria need . . . . . . . . hrs to adapt in new environment.
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The water activity at the surface of a food product at the end of constant drying rate
A. Drops below 1
B. Remains constant at 1
C. Is zero
D. None of the above
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The food qualities such as taste, odour, colour etc are measured in terms of
A. Quick index
B. Organoleptic scale
C. Score card
D. Hedonic scale
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Pressure angle in spur gears ranges
A. 0° - 5°
B. 15° - 20°
C. 14 2 1 ∘ - 20°
D. 20° - 25°
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Brake testing is done at
A. 35 Kmph
B. 25 Kmph
C. 20 Kmph
D. 15 Kmph
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The growth phase in bacterial growth curve is known as
A. Stationary Phase
B. Lag Phase
C. Death Phase
D. Logarithmic phase
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In a double effect evaporator operating with a thermo-compressor, the fraction of total water evaporated in the first and second effects respectively are
A. 1 /2 and 1 /2
B. 3 /4 and 1 /4
C. 2 /3 and 1 /3
D. 1 /3 and 2 /3
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What is the bottom width of a most efficient hydraulic section of a rectangular channel?
A. Equal to the depth
B. Equal to half the depth
C. Equal to 150% of depth
D. Equal to 200% of depth
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Which impeller has a shroud or wall on one side only?
A. Closed impeller
B. Semi-open impeller
C. Open impeller
D. Non-clog impeller
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The temperature (in °C) within the cylinder of an internal combustion engine of a tractor ranges between
A. 800 to 1200
B. 1650 to 2200
C. 1000 to 1500
D. 2200 to 2800
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Farm yard manure contains about . . . . . . . . percentage of nitrogen.
A. 0.75%
B. 0.60%
C. 11.00%
D. 1.00%
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Accurate and inclined placement of seeds to provide rows in two perpendicular airection is known as
A. Drilling
B. Planting
C. Precision Seeding
D. Check-row Planting
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The R pocket type disc separator is used for
A. Dust and broken wheat from whole wheat
B. Broken rice grains from whole rice
C. Round rice from whole rice
D. Mustard grains from rice
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Bernoulli's principle is based on the law of conservation of
A. Mass
B. Momentum
C. Energy
D. Vertisity
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What is the concentration of CO2 in the atmosphere?
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Which of the following is not a measure of dispersion?
A. Mode
B. Standard deviation
C. Mean deviation
D. Mean
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