ML, MM, MS is basically classification of oil used in
A. SI engine
B. Diesel engine
C. Stationary engine
D. Tractor engine
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The Reynolds number of a flow is the ratio of
A. Gravity forces to viscous forces
B. Inertia forces to viscous forces
C. Gravity forces to pressure forces
D. Viscous forces to pressure forces
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Seed drill and horse hoe were introduced by
A. William Amos
B. Jethro Tull
C. James Small
D. Thomas Jefferson
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The bulk density (kg/m3 ) of rough rice as approved by ASAE is
A. 576
B. 586
C. 596
D. None of the above
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Rotary tiller are wide adopted in rice cultivation due to
A. Excessive pulverisation
B. Suitability for puddling paddy field
C. Reduced draft requirement
D. Complete inversion of soil
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Conservation tillage is also known as
A. Stubbled Mulch Tillage
B. Eco-fallow
C. Reduced Tillage
D. All of the above
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If the exact speed ratio does not require, which combination of teeth on a spur gear be preferred
A. 15 : 30
B. 17 : 32
C. 16 : 34
D. 16 : 32
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Speed of a belt is 12 M/s and it transmitting 80 hp, the difference of tension on the sides of the belt will be
A. 280 kg
B. 300 kg
C. 450 kg
D. 500 kg
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The optimum harvesting moisture content of paddy grains for higher yield should be
A. 18 - 20%
B. 20 - 22%
C. 22 - 24%
D. 24 - 26%
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Gears generally used in the transmission box are
A. Spur gear only
B. Helical gear only
C. Helical and Spur gears
D. Bevel gear
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Penetration of disc plough can be improved by
A. Increasing disc angle
B. Decreasing tilt angle
C. Both A and B
D. None of the above
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A six cylinder engine can have possible . . . . . . . . number of firing orders.
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Summer tillage aims for
A. Eradicating perennial weeds
B. Checking erosion
C. Destroying pest and disease
D. All of the above
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The relationship between angle of repose and moisture content of food material is
A. Inversely proportional
B. Directly proportional
C. Both A and B
D. None of the above
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Recommended perforation of aeration in grain storage shall be
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Power sprayers are operated at a pressure of
A. 5 - 10 kg/m2
B. 10 - 20 kg/m2
C. 20 - 55 kg/m2
D. > 55 kg/m2
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The velocity of a fluid in a pipe of diameter D is V. The pipe is connected to another pipe of diameter 2D. Reynolds number in the pipe of diameter D in relation to the pipe of diameter 2D is
A. Double
B. Four times
C. Half
D. Same
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Tillage operations share about . . . . . . . . % of total cost of cultivation.
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The erratic variation of the speed of the governor over the speed change is known as
A. Governor Hunting
B. Governor Regulation
C. Speed drop
D. All of the above
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The value of cryoscopic constant in Raults law for H2 O is
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