CSS Agriculture Questions & Answers - Part-4 - Set 33

1)   The solar radiation received directly from the sun is:

a. Beam radiation
b. Scattered radiation
c. Diffuse radiation
d. Reflected radiation
Answer  Explanation 

ANSWER: Beam radiation

Explanation:
No explanation is available for this question!


2)   The air mass will be one:

a. At Zenith
b. At 60? to Zenith
c. Above earth's atmosphere
d. None of these
Answer  Explanation 

ANSWER: At Zenith

Explanation:
No explanation is available for this question!


3)   An angular distance of the sunrays north (or south) of the equator is:

a. Latitude angle
b. Hour angle
c. Declination
d. Inclination
Answer  Explanation 

ANSWER: Declination

Explanation:
No explanation is available for this question!


4)   A vertical between the projection of the sun's rays on the horizontal plane and direction of sun's rays is:

a. Zenith angle
b. Solar altitude
c. Solar angle
d. Latitude angle
Answer  Explanation 

ANSWER: Solar altitude

Explanation:
No explanation is available for this question!


5)   Equinox means:

a. Equal days
b. Equal nights
c. Equal day and night
d. Equator
Answer  Explanation 

ANSWER: Equal nights

Explanation:
No explanation is available for this question!


6)   A angle through which the Earth must turn to bring the meridian of a point directly in time with sunrays is:

a. Altitude angle
b. Zenith angle
c. Hour angle
d. Solar azimuth angle
Answer  Explanation 

ANSWER: Hour angle

Explanation:
No explanation is available for this question!


7)   The process of removing husk and bran of the paddy in one: operation is called:

a. Hulling
b. Shelling
c. Milling
d. All are correct
Answer  Explanation 

ANSWER: Hulling

Explanation:
No explanation is available for this question!


8)   The process of removing husk and hull from the paddy grain is known as:

a. Shelling
b. Milling
c. Husking
d. All are correct
Answer  Explanation 

ANSWER: All are correct

Explanation:
No explanation is available for this question!


9)   In rubber roll huller breakage is:

a. Less
b. More
c. No breakage
d. None of these
Answer  Explanation 

ANSWER: Less

Explanation:
No explanation is available for this question!


10)   In rubber roll huller the rubber rolls turn at:

a. Same speed
b. Different speed and different directions
c. Air to grain
d. All are correct
Answer  Explanation 

ANSWER: Different speed and different directions

Explanation:
No explanation is available for this question!


11)   In forced air-dring method the moisture moves from:

a. Grain to air
b. Centre to grain surface
c. Air to grain
d. All are correct
Answer  Explanation 

ANSWER: Grain to air

Explanation:
No explanation is available for this question!


12)   The drying process involves:

a. Heat transfer
b. Mass transfer
c. Heat and mass transfer
d. None of these
Answer  Explanation 

ANSWER: Heat and mass transfer

Explanation:
No explanation is available for this question!


13)   In thin layer drying, the depth of grain layer should be:

a. 20 cm
b. Less than 20 cm
c. More than 20 cm
d. None of these
Answer  Explanation 

ANSWER: Less than 20 cm

Explanation:
No explanation is available for this question!


14)   Thing layer drying includes:

a. Batch type dryer
b. LSU dryer
c. Flat bed dryer
d. All are correct
Answer  Explanation 

ANSWER: Flat bed dryer

Explanation:
No explanation is available for this question!


15)   Deep bed drying includes:

a. Baffle dryer
b. Batch dryer
c. LSU dryer
d. None of these
Answer  Explanation 

ANSWER: Batch dryer

Explanation:
No explanation is available for this question!


16)   In deep bed drying, the depth of grain layer is:

a. 10 cm
b. 20 cm
c. Less than 20 cm
d. More than 20 cm
Answer  Explanation 

ANSWER: More than 20 cm

Explanation:
No explanation is available for this question!


17)   A sack dryer is suitable for drying:

a. Small quantity of grain
b. Large quantity of grain
c. Any quantity of grain
d. None of these
Answer  Explanation 

ANSWER: Small quantity of grain

Explanation:
No explanation is available for this question!


18)   In batch type dryer, the maximum depth of grain is about:

a. 200 cm
b. 225 cm
c. 250 cm
d. 300 cm
Answer  Explanation 

ANSWER: 250 cm

Explanation:
No explanation is available for this question!


19)   In batch type dryer the minimum airflow rate required for drying per cubic metre of paddy is:

a. 2-3 cu m/min
b. 3-4 cu m/min
c. 4-5 cu m/min
d. 4-6 cu m/min
Answer  Explanation 

ANSWER: 3-4 cu m/min

Explanation:
No explanation is available for this question!


20)   In rotary dryer, the diameter of drum ranges between:

a. 2-4 metres
b. 3-5 metres
c. 3-6 metres
d. 4-8 metres
Answer  Explanation 

ANSWER: 3-6 metres

Explanation:
No explanation is available for this question!


21)   Vertical interval of bench terrace depends on:

a. Land slope
b. Soil depth
c. Both (a) & (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!


22)   The capacity of RPEC dryer is about:

a. Half tonne per hour
b. One tonne per hour
c. Two tonne per hour
d. All are correct
Answer  Explanation 

ANSWER: All are correct

Explanation:
No explanation is available for this question!


23)   LSU dryer was developed in/at:

a. 1949 (USA)
b. 1950 (England)
c. 1965 (Japan)
d. None of these
Answer  Explanation 

ANSWER: 1949 (USA)

Explanation:
No explanation is available for this question!


24)   The main advantage of LSU dryer is:

a. Shorter drying period
b. Maximum drying capacity
c. Minimum drying losses
d. All are correct
Answer  Explanation 

ANSWER: All are correct

Explanation:
No explanation is available for this question!


25)   For LSU dryer, the recommended airflow rate is:

a. 50 cu m/min/tonne
b. 60 cu m/min/tonne
c. 70 cu m/min/tonne
d. 80 cu m/min/tonne
Answer  Explanation 

ANSWER: 70 cu m/min/tonne

Explanation:
No explanation is available for this question!


26)   LSU dryer is:

a. Batch type dryer
b. Continuous flow type dryer
c. Continuous flow mixing type dryer
d. Continuous flow non-maxing type dryer
Answer  Explanation 

ANSWER: Continuous flow mixing type dryer

Explanation:
No explanation is available for this question!


27)   The radiation of equilibrium relative humidity with moisture content of grain at a particular temperature is expressed by a curve known as:

a. Grain isotherm
b. Relative humidity
c. Equilibrium moisture content
d. All are correct
Answer  Explanation 

ANSWER: Grain isotherm

Explanation:
No explanation is available for this question!


28)   In drying process, the heat required to convert one kilogram of grain moisture to water vapour is:

a. 450 kcal
b. 500 kcal
c. 550 kcal
d. 650 kcal
Answer  Explanation 

ANSWER: 650 kcal

Explanation:
No explanation is available for this question!


29)   The optimum moisture content (wb) for paddy harvesting is:

a. 12-15%
b. 15-18%
c. 18-20%
d. 20-22%
Answer  Explanation 

ANSWER: 20-22%

Explanation:
No explanation is available for this question!


30)   The optimum moisture content (wb) for wheat harvesting is:

a. 12-14%
b. 14-16%
c. 16-18%
d. 18-20%
Answer  Explanation 

ANSWER: 16-18%

Explanation:
No explanation is available for this question!


31)   The percentage of hull in paddy grain is about:

a. 15 % by weight
b. 16 % by weight
c. 18 % by weight
d. 20% by weight
Answer  Explanation 

ANSWER: 20% by weight

Explanation:
No explanation is available for this question!


32)   The percentage of protein by weight in pulse is:

a. 15-20%
b. 17-5%
c. 18-27%
d. 20-30%
Answer  Explanation 

ANSWER: 17-5%

Explanation:
No explanation is available for this question!


33)   The density and specific gravity of grain is essential for:

a. Calculating the thermal diffusivity
b. Determining the Reynods' number
c. Pneumatic and hydraulic handling
d. All are correct
Answer  Explanation 

ANSWER: All are correct

Explanation:
No explanation is available for this question!


34)   The yardstick of sharpness of solid materials is:

a. Roundness
b. Spherisity
c. Terminal velocity
d. Drag coefficient
Answer  Explanation 

ANSWER: Roundness

Explanation:
No explanation is available for this question!


35)   Geometrical mean diameter of particles are known as:

a. Specific diameter
b. Equivalent diameter
c. Geometric diameter
d. None of these
Answer  Explanation 

ANSWER: Equivalent diameter

Explanation:
No explanation is available for this question!


36)   Specific gravity of grains is determined by:

a. Pycnometer
b. Specific gravity bottle
c. Both (a) and (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) and (b)

Explanation:
No explanation is available for this question!


37)   The density of wheat is about:

a. 850-100 kg/m3
b. 998-1238 kg/m3
c. 1150-1300 kg/m3
d. 1200-1450 kg/m3
Answer  Explanation 

ANSWER: 998-1238 kg/m3

Explanation:
No explanation is available for this question!


38)   Terminal velocity of wheat grain is:

a. 8-10 m/s
b. 9-11.5 m/s
c. 10-12.5 m/s
d. 10-13 m/s
Answer  Explanation 

ANSWER: 9-11.5 m/s

Explanation:
No explanation is available for this question!


39)   The frictional force acting between the surfaces of contact at rest with respect to each other is called:

a. Dynamic friction
b. Static friction
c. Kinetic friction
d. None of these
Answer  Explanation 

ANSWER: Static friction

Explanation:
No explanation is available for this question!


40)   The friction forces existing between the surfaces in relative motion is called:

a. Static friction
b. Coefficient of friction
c. Kinetic friction
d. Angle of internal friction
Answer  Explanation 

ANSWER: Kinetic friction

Explanation:
No explanation is available for this question!


41)   Angle of repose for paddy ranges between:

a. 25-30 degree
b. 30-40 degree
c. 30-45 degree
d. 35-50 degree
Answer  Explanation 

ANSWER: 30-45 degree

Explanation:
No explanation is available for this question!


42)   The value of angle of repose for wheat is between:

a. 18-23 degree
b. 23-28 degree
c. 28-33 degree
d. 33-38 degree
Answer  Explanation 

ANSWER: 23-28 degree

Explanation:
No explanation is available for this question!


43)   The value of angle of repose for millets is about:

a. 15-20 degree
b. 20-25 degree
c. 25-30 degree
d. 30-35 degree
Answer  Explanation 

ANSWER: 20-25 degree

Explanation:
No explanation is available for this question!


44)   The amount of heat in kilocalorie the must be added to or removed from one kg of substances to change its temperature by one degree is:

a. Latent heat
b. Specific heat
c. Enthalpy
d. Entropy
Answer  Explanation 

ANSWER: Specific heat

Explanation:
No explanation is available for this question!


45)   Cleaning of material is done by:

a. Washing
b. Screening
c. Handpicking
d. All are correct
Answer  Explanation 

ANSWER: All are correct

Explanation:
No explanation is available for this question!


46)   The removal of few large particles in an initial process is:

a. Scalping
b. Cleaning
c. Grading
d. Sorting
Answer  Explanation 

ANSWER: Scalping

Explanation:
No explanation is available for this question!


47)   Cleaning of material is done on the basis of:

a. Shape
b. Size
c. Weight
d. Density
Answer  Explanation 

ANSWER: Size

Explanation:
No explanation is available for this question!


48)   In the cylinder sorter, the inclination of cylinder for dry granular material is kept up to:

a. 75 mm/mb
b. 100 mm/m
c. 125 mm/m
d. 150 mm/m
Answer  Explanation 

ANSWER: 125 mm/m

Explanation:
No explanation is available for this question!


49)   Disc separator separates materials on the basis of:

a. Length
b. Width
c. Weight
d. Shape
Answer  Explanation 

ANSWER: Length

Explanation:
No explanation is available for this question!


50)   Indented cylinder separator separates the grains on the basis of:

a. Weight
b. Relative length
c. Length
d. All are correct
Answer  Explanation 

ANSWER: Relative length

Explanation:
No explanation is available for this question!


51)   Spiral separator separates the grains on the basis of:

a. Weight
b. Spherisity
c. Roundness
d. Size
Answer  Explanation 

ANSWER: Roundness

Explanation:
No explanation is available for this question!


52)   Specific gravity separator makes the separation as per difference in:

a. Density
b. Shape
c. Roughness
d. Relative length
Answer  Explanation 

ANSWER: Density

Explanation:
No explanation is available for this question!


53)   Specific gravity separator works on the principle of:

a. Characteristics of grain to flow down over an inclined surface
b. Flotation of the particles due to upward movement of air
c. Both (a) and (b)
d. None of these
Answer  Explanation 

ANSWER: Both (a) and (b)

Explanation:
No explanation is available for this question!


54)   The shape of perforated deck used in specific gravity separator is:

a. Triangular
b. Rectangulr
c. Circular
d. Hexagonal
Answer  Explanation 

ANSWER: Triangular

Explanation:
No explanation is available for this question!


55)   In inclined draper, the major factor causing the separation of grain is:

a. Shape and size
b. Shape and surface texture
c. Shape and weight
d. Weight and size
Answer  Explanation 

ANSWER: Shape and surface texture

Explanation:
No explanation is available for this question!


56)   The major controlling factor in separation of grain by fluidized bed separator is:

a. Air velocity and weight of grain
b. Shape and size of grain
c. Shape and texture of grain
d. Magnetic and arodynamic properties of grain
Answer  Explanation 

ANSWER: Air velocity and weight of grain

Explanation:
No explanation is available for this question!


57)   Fluidized bed separator used to separate the seed is:

a. Lighter seeds
b. Medium seeds
c. Heavier seeds
d. All kinds of seeds
Answer  Explanation 

ANSWER: Lighter seeds

Explanation:
No explanation is available for this question!


58)   The separation of grain in magnetic separator is carried out on the basis of:

a. Specific gravity
b. Surface texture
c. Roundness
d. Relative length
Answer  Explanation 

ANSWER: Surface texture

Explanation:
No explanation is available for this question!


59)   Cyclone separator works on:

a. Centrifugal force
b. Fravity force
c. Inertia force
d. None of these
Answer  Explanation 

ANSWER: Centrifugal force

Explanation:
No explanation is available for this question!


60)   Contour trenching is done mainly in:

a. Low rainfall areas for moisture conservation
b. High rainfall areas for moisture conservation
c. Arid zones for wind erosion control
d. All are correct
Answer  Explanation 

ANSWER: Low rainfall areas for moisture conservation

Explanation:
No explanation is available for this question!