The Bypass factor of cooling coil of an air handling unit will depend upon
A. Number of rows of coil
B. Velocity of inlet air
C. Fan speed of cooling coil
D. Temperature of refrigerant in the cooling coil
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A Disc type centrifuge has milk inlet at radius Rm cream outlet at radius R1 and skim milk outlet at radius R2 . In order to have a very high separation of milk fat globules from milk, the position Rm should be
A. Close to R2
B. Close to R1
C. Between R1 and R2
D. None of the above
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The volumetric efficiency of a turbo charged diesel tractor engine is typically in the range of
A. 90 - 100%
B. 100 - 150%
C. 150 - 200%
D. 200 - 250%
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At critical flow, the specific energy is
A. Maximum
B. Minimum
C. Zero
D. Negative
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Strokes law is applicable when Reynolds number
A. Less than two
B. Greater than two
C. Less than or equal to two
D. All of the above
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100kg of grain is dried from 18% (w.b) to 13% (w.b), the amount of water removed is
A. 4.8 kg
B. 5 kg
C. 5.7 kg
D. 6.2 kg
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Venturi and diafram unit is a part of
A. Pneumatic governor
B. Centrifugal governor
C. Hydraulic governor
D. None of the above
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A frog of an animal drawn mould board plough is normally made of
A. High carbon steel
B. Soft center steel
C. Crucible steel
D. Cast iron
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Boiling point of Freon-12 is
A. -29°C
B. -33°C
C. -45°C
D. 65.5°C
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Inflation pressure in rear wheel of tractor
A. 0.8 - 1.2 kg/cm2
B. 1.2 - 2.0 kg/cm2
C. 2.0 - 2.5 kg/cm2
D. None of these
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A bin in which plane of rupture meets the opposite side before it emerges from the grain is called
A. Shallow bin
B. Deep bin
C. CAP
D. Silo
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The plough used for maximum moisture conservation is
A. Disc harrow
B. Cultivator
C. Chisel plough
D. None of these
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Tilt angle in a disc plough varies from
A. 5° - 10°
B. 10° - 15°
C. 15° - 25°
D. 25° - 30°
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The percentage of edible oil in rice bran is about
A. 10 - 12%
B. 14 - 16%
C. 18 - 20%
D. 22 - 24%
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Bench terraces are most effective to control the
A. Erosion and runoff
B. Slope
C. Runoff
D. Erosion
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The head over a V-notch at the end of a channel is 75 cm, if an error of 0.15 cm is possible in the measurement of head, then the percentage error in computing the discharge will be
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The dimensionless number in mass transfer operations which is analogous to Nusselt number in heat transfer is known as
A. Lewis number
B. Sherwood number
C. Peclet number
D. Schimdt number
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Factor influencing preparatory cultivation is
A. Crop
B. Soil and climate
C. Type of farming
D. All of the above
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Correlation coefficient
A. Is less than - 1
B. Is more than + 1
C. Lies between - 1 and + 1
D. Lies between 0 and 1
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The cutter bar of a tractor operated mower ordinarily makes.
A. 800 - 1200 strokes/min
B. 1600 - 2000 strokes/min
C. 2400 - 2800 strokes/min
D. 3200 - 3600 strokes/min
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