Exam Details
| Subject | agriculture science | |
| Paper | ||
| Exam / Course | mains | |
| Department | ||
| Organization | maharashtra public service commission | |
| Position | ||
| Exam Date | 2012 | |
| City, State | maharashtra, |
Question Paper
1 What is the drainage of 1 ha cm water (105 1itres) in 24 hrs equal to
1l57 Lps
1.157 Lps
11.57 Lps
115.7 Lps
2 What are the small furrows formed at known intervals parallel to the slope of the Land for draining out excess Water from the soil called?
Bedding
Land smoothing
Random field ditch method
Parallel field ditch system
3 Who considered yield, profit and frequency of crop failure, as field indicators for farmer's satisfaction while computing sustainable index?
Gomez
Hargroove
Reddy
Prasad
4 Which of the following components does a water harvesting system have?
Catchment area
Storage facility
Command area
and above
5 What happens if crop seed is sown very deep in the soil?
Early germination.
Uniform plant population.
The young seedlings may not be able to push their shoots above the thick soil layer.
Vigorous seedlings.
6 Which weed is associated with tobacco crop?
Striga densiflora
Phalaris minor
Solanum nigrum
Orabanche indica
7 Which of the following statements is applicable for rainfed farming?
Cultivation of crops in areas receiving less than 750 mm rainfall per annum.
Dry spells are most common and crop failures are more frequent.
Cultivation of crops where dry spells occur but crop failures are less frequent.
Cultivation of crops where crop failures are rare and drainage is the problem.
8 In which of the following crops thinning and earthing up is necessary for higher productivity?
Sugarcane
Sugarbeet
Potato
Sweet Potato
9 Suggest a suitable crop under contingent crop planning under late onset of monsoons to 15th July) in Maharashtra.
Green gram
Pigeon pea
Black gram
Groundnut
10 How does the soil moisture move in an area?
High tension to area of low tension.
Higher elevation to lower elevation.
Low tension to area of high tension.
Lower elevation to higher elevation.
11 What variety of pigeon pea is recommended for Maharashtra
BM-4
BDU-1
BSMR-736
TAU-1
12 What is the role of an Agronomist in Agriculture?
Coordinator of different subject matter specialists.
Convenor
Producer of maximum yield with maximum cost
None of the above
13 What should be the right choice of base and inter crops on medium deep soils in regions with uni-modal rainfall pattern
The base crop should be of shorter duration than the companion crop.
The base crop should be of longer duration than the companion crop.
The choice of crop should be such that the peak growth period of both the crops should coincide with rainfall peaks.
None of the above
14 In our country, which surface method of irrigation is the most widely practised for field crops?
Check basin method
Basin method
Border strip method
Wild flooding
15 Which of the following are the major sunflower growing states?
Karnataka, Maharashtra, Andhra Pradesh.
Karnataka, Madhya Pradesh, Punjab.
Andhra Pradesh, Rajasthan, Tamil Nadu.
Bihar, Andhra Pradesh, Maharashtra.
16 What type of drought is it in which the actual rainfall falls short below 75 percent of the normal
Agricultural drought
Meteorological drought
Hydrological drought
Contingent drought
17 Modern concept of tillage includes .
Minimum tillage
Zero tillage
Conservation tillage
and above
18 At what depth, the seeds of semi dwarf varieties of wheat crop could be sown 7
2-3cm
5-6cm
7-8cm
8-9cm
19 Which of the following is another term for the Sustainable Agriculture
Alternative farming
Eco-farming
Permeaculture
and above
20 What is the advantage of a conservation tillage?
Reduced tillage machinery maximizes soil compaction.
Low infiltration of water and high evaporation.
Low risk of pests and diseases.
Surface crop cover reduces soil erosion.
21 Which process is responsible for the loss of about 60 to 75 percent of the rainfall
Evaporation
Transpiration
Evapotranspiration
Percolation
22 Which of the following is an example of a film forming antitranspirant
Atrazine
Mobileaf
Kaolin
Phenylmercuric acetate
23 Which crop is suitable for 011 as well as fibre purpose?
Sunflower
Mustard
Linseed
Safflower
24 About how many root slips or stem cuttings are required for planting napier grass in one hectare area
18800
33800
27800
42800
25 What is a period of medium range forecast for Agriculture?
Few hours to one day
24 hours to less than three days
3 to 10 days
More than 10 days
26 Among the following, which is a bio-herbicide
Oryzalin
Lactofen
Tripose
Metribuzin
27 What is the oil and protein content of groundnut kernel
50% oil and 18 protein
45% oil and 26% protein
33 oil and 36% protein
24 oil and 40 protein
28 In winter, what will be the temperature at equatorial tropopause?
-60°C
-70°C
-80°C
-90°C
29 In which crop, flower/inflorescence is called as arrow
Flower primodia initiation in wheat.
Flower of Maize.
Flower of Sorghum.
Flower/inflorescence of sugarcane.
30 What is normal lapse rate in Troposphere?
6.5° F/l000 ft
5.4° F/1000 ft
3.6° F/1000 ft
4.0° F/1000 ft
31 Which of the following agencies has been entrusted by the Government of India with the task of preparation of a feasibility report of interlinking of rivers in India?
National Water Development Agency (NWDA)
Irrigation Commission of India
Central Ground Water Board (CGWB)
National Water Board
32 Among the following which is a component of farming system?
Ducker
Biogas plant
Coir work
and above
33 What is the main advantage of Sustainable Agriculture?
Ecological balance
Nutritious food without pesticide residue
Clean environment
and above
34 How much is the annual yield of green fodder from the Napier grass?
(1)1200 -1500 quintals/ha
250 -300 quintals/ha
800 -1000 quintals/ha
800 -1100 quintals/ha
35 Which is the appropriate time of ploughing operation?
During summer season.
When 25 available soil moisture is depleted.
Soil has completely dried.
Soil is in wet condition.
36 Before sunrise and sunset which solar radiation penetrates into plant canoples more effectively
Direct solar radiation
Diffused solar radiation
Global solar radiation
Reflected solar radiation
37 Which soil tillage aims at reducing the tillage operation to the minimum necessary for ensuring the good seed bed and rapid germination of seed?
Primary tillage
Minimum tillage
Secondary tillage
Rowzone tillage
38 Which is the important developmental activity in resource management for dry land region?
Deforestation
Crop production
Use of fertilizers
Watershed management
39 In which cropping system the term component crop is used?
Inter cropping system
Sole cropping system
Ratoon cropping system
Monoculture cropping system
40 Which is the most serious pest of bengalgram crop?
Cutworm
Aphids
Pod borer
None of these
41 What is a fertilizer containing a single nutrient, called?
Straight fertilizer
Compound fertilizer
Fertilizer mixture
None of these
42 The maximum water vapour movement in soil occurs when the soil is
at field capacity
at maximum water holding capacity
at just below the wilting point
at wilting point
43 Among the major plant nutrients, which of the following nutrient content in soil solution is the least variable and the lowest?
Phosphorus
Potassium
Magnesium
Sulphur
44 Which is/are predominent ionic species of phosphate in soil at pH 7.2
H2/PO4-
HPO4=
H2PO4- and HPO4=
PO4=
45 Which of the following materials is added to prepare a mixed fertilizer with good drilling conditions and reduced caking?
Coal ash
Lime stone
Peat
Dolomite
46 The is that water which lies between wilting coefficient and field capacity.
available water
unavailable water
superfluous water
none of these
47 Which of the following organic manures contains highest amount of nitrogen?
Neem cake
Castor cake
Linseed cake
Groundnut cake
48 Fill in the blank correctly.
When gypsum is used as a reclaiming agent, calcium replaces the exchangeable in alkali soils.
Boron
Magnesium
Sodium
Potassium
49 Which of the following is the process of decomposition of organic matter and synthesis of new organic substances
Horizonation
Eluviation
Humification
Illuviation
50 Which of the following crops is a low salt tolerant crop?
Cotton
Wheat
Soyabean
Maize
51 Which of the following types of soils will adsorb more pesticides and increase soil pollution and health hazards
A fine textured soil dominated with Kaolinite.
A coarse textured soil dominated with Kaolinite.
A fine textured soil dominated with Montmorillonite.
A coarse textured soil deminated with Montmorillonite.
52 What small but significant quantities of soluble compounds does the soil solution contain
Organic
Inorganic
Oraganic and Inorganic
None of these
53 Wllich of the following is a symbiotic bacterium, colonizing on the roots of specific legumes to form root nodules for fixing atmospheric nitrogen?
Azotobacter
Azospirillium
Rhizobillm
Blue -Green Algae
54 What is the chonical combination of water molecules with a particular mineral termed as
Solution
Hydration
Hydrolysis
Oxidation
55 denotes the status of soil with respect to the amount and availability of elements to a plant necessary for its growth,
Soil Productivity
Soil Fertility
Soil Chemistry
None of these
56 Which of the following minerals has a greater anion adsorbing and exchanging capacity
Kaolinite
filite
Montmorillonite
Vermiculite
57 What proportion of clay content in soil seems to be desirable for dry land farming
30 to 40%
40 to 50%
50 to 60%
More than 60%
58 What is the process of removal or loss of oxygen called?
hydration
hydrolysis
oxidation
reduction
59 Which is a secondary nutrient from among the following?
Iron
zinc
Boron
Suiphur
60 Which of the following constituents of organic matter in soil are most rapidly decomposed
Celluloses and hemicelluloses
Fats, waxes and resins
Carbohydrates and simple proteins
Lignins
61 Fill in the blank appropriately.
In seed metering mechanism, vertical plate is provided with radially projected arms, which drop the larger seeds like potato in furrows with the help of suitable jaws.
fluted feed type
cell feed mechanism
picker wheel type
internal double run type
62 What is the Internal double run type seed metering device suitable for?
Large size seed
Small size seed
Sugar beat seeds
Both and
63 In four stroke engine, one power stroke is generuted after of crankshaft.
Each
Two
Four
Half
64 The power developed by the engine and is available at the end of crankshaft is called
IHP
BHP
DBHP
FHP
65 What is the forward end of cutting edge of share which actually penetrates into the soil called?
Gunnel
Share point
Wing of share
Cleavage
66 On what factors threshing efficiency of a thresher depends?
Cylinder concave clearance
Type of crop
Weather conditions
Moisture content of crop
and
and
and
All of these
67 What is the perpendicular distance between point of share and lower position of the beam of plough called
Throat clearance
Horizontal clearance
Vertical clearance
Share point clearance
68 The main purpose of puddling is to
reduce leaching of water
kill the weeds
facilitate transplanting of paddy seedlings
all the above
69 What is the concave clearance in the power thresher?
Clearance between concave and beater or cylinder tip.
Clearance between concave and the blower.
Clearance between concwe und the screen.
Clearance between beater or cylinder tip and blower.
Which of the above statements are correct
only
and
only
and
70 What does the planter consist of
Hopper
Seed metering device
Land side
Frog
Which of the above options are correct?
and only
and only
und only
and only
71 To separate mustard seed from wheat, the best type of separator is
indented cylinder separator
specific gravity separator
centrifugal separator
spiral separator
72 Janssen equation is related to
storage silo design
size reduction
grain transportation system
grain handling
73 Fill in the blank with the most appropriate option.
At is the most common material used for bottles and jars.
High density polyethylene
Food grade PVC
High impact polystyrene
Low density polyethylene
74 Which of the following is an indirect method of moisture determination?
Infra -red method
Dielectric method
Air -oven method
None of the above
75 To predict the lateral pressure in deep bins, which of the equations is used?
Airy equation
Rankine's equation
Janssen's equation
All of the above
76 What is the order of components in vapour compression refrigeration system?
Compressor -evaporator -condensor -expansion valve.
Compressor -expansion valve -evaporator -condensor.
Compressor -condensor -expansion valve -evaporator.
Compressor -condensor -evaporator -expansion valve.
77 Fill in the blank appropriately.
has a fan at the air discharge point which creates a vacuum or negative pressure within the machine.
Specific gravity separator
Aspirator
Indented cylinder separator
Spiral separator
78 the most common. type of heat exchanger used in HTST Pasteurization.
Tubular type
Barrel type
Plate type
Flat surface type
79 The indented cylinder separators, separate the materials on the basis of
Relative lengths
Roundness
Density
None of the above
80 In winter season, due to moisture migration spoilage of grains occurs at the of the bin.
bottom
top
centre
wall side
81 Fill in the blanks appropriately.
An elongated watershed will have a bifurcation ratio and will result into a peak flow compared to circular or normal shaped watershed of the same area.
higher, lower
lower, higher
same, same
none of the above
82 What is the peak runoff rate of an area, if the runoff coefficient, rainfall intensity equals time of concentration and watershed areas are 0.3, 150 mm/h and 90,000 sq.metre respectively?
1.521 m3/s
2.125 m3/s
1.215 m3/s
1.125 m3/s
83 What is the principle of chain surveying?
Radiation
Intersection
Resection
Triangulation
84 What is the shape index of a watershed having length along the main stream 1000 ms and size of watershed 5 square kilometres?
0.2
20.0
200.0
5000
85 In high volume spraying, total volume of spray liquid applied amount to litres per ha
5
5 -200
200 400
400
86 What assumptions are valid for determining peak runoff rate by rational method?
Rainfall has occurred with uniform intensity fqr the duration atleast equal to time of concentration of the catchment area.
The infiltration rate of the soils in watershed is constant.
The rainfall intensity is uniform throughout the catchment.
The initial soil moisture is uniform in the watershed.
and
and
and
and
87 There is a gulley control structure, performing following functions:
Used as a principal spillway in case of farm ponds
It stabilizes gulley grade
Used at lower end of water disposal system
Used as a culvert in forest roads
Which structure is this
Chute spillway
Drop inlet spillway
Straight drop spillway
Graded bund
88 If the runoff area increases, what will its effect be on both the rate and the volume per unit of a watershed area
it will increase
it will decrease
it will remain unaffected
becomes zero
89 What is the volume of rainfall for which the water harvesting project is designed called?
Designed rainfall
Required rainfall
Expected rainfall
Excess rainfall
90 How is the incorrect holding of chain by a surveyor during the survey, categorised?
Compensating errors
Cumulative errors
Human errors
None of the above
91 For moderate slopes and small to moderate irrigation streams, the length of border for clay soils should be meters.
100 to 180
60 to 120
150 to 300
None of these
92 Priming is required to start:
reciprocating pump
centrifugal pump
jet pump
axial pump
93 The christiansen equation for uniformity coefficient is expressed as
<img src='./qimages/-93.jpg'>
94 The flow over trapezoidal notch is proportional to is head over the crest of notch)
3'H72
H
95 The rate of discharge of irrigation pump is calculated by the following relationship. AY q 27.78 RT Where,
Duration of pumping
Depth of irrigation
Velocity of water in suction pipe
Co-efficient of friction
96 The primary objective/s of a well planned farm-stead is/are:
Sanitation
Economy
Low maintenance cost
All of these A 15 D02
97 The presence of aboul' to S percent moisture content in sand increases the volume of sond bv as rnuch as 1 percent 20 to 40 percent 50 to 60 percent 65 to 70 percent
98 In barbed fencing, barllt'd 'Yire is made up of gauge wire.
J 4
18
22
99 The uenvironnwnt of green houseu does not refer to Crop yield Air composition Light Nature of root media
100 Gutters in stanchion bclrn arc usually J r r . 45, 15 ems wide and . ems deep. 55, 20 SPACE FOR ROUGH WORK -000
1l57 Lps
1.157 Lps
11.57 Lps
115.7 Lps
2 What are the small furrows formed at known intervals parallel to the slope of the Land for draining out excess Water from the soil called?
Bedding
Land smoothing
Random field ditch method
Parallel field ditch system
3 Who considered yield, profit and frequency of crop failure, as field indicators for farmer's satisfaction while computing sustainable index?
Gomez
Hargroove
Reddy
Prasad
4 Which of the following components does a water harvesting system have?
Catchment area
Storage facility
Command area
and above
5 What happens if crop seed is sown very deep in the soil?
Early germination.
Uniform plant population.
The young seedlings may not be able to push their shoots above the thick soil layer.
Vigorous seedlings.
6 Which weed is associated with tobacco crop?
Striga densiflora
Phalaris minor
Solanum nigrum
Orabanche indica
7 Which of the following statements is applicable for rainfed farming?
Cultivation of crops in areas receiving less than 750 mm rainfall per annum.
Dry spells are most common and crop failures are more frequent.
Cultivation of crops where dry spells occur but crop failures are less frequent.
Cultivation of crops where crop failures are rare and drainage is the problem.
8 In which of the following crops thinning and earthing up is necessary for higher productivity?
Sugarcane
Sugarbeet
Potato
Sweet Potato
9 Suggest a suitable crop under contingent crop planning under late onset of monsoons to 15th July) in Maharashtra.
Green gram
Pigeon pea
Black gram
Groundnut
10 How does the soil moisture move in an area?
High tension to area of low tension.
Higher elevation to lower elevation.
Low tension to area of high tension.
Lower elevation to higher elevation.
11 What variety of pigeon pea is recommended for Maharashtra
BM-4
BDU-1
BSMR-736
TAU-1
12 What is the role of an Agronomist in Agriculture?
Coordinator of different subject matter specialists.
Convenor
Producer of maximum yield with maximum cost
None of the above
13 What should be the right choice of base and inter crops on medium deep soils in regions with uni-modal rainfall pattern
The base crop should be of shorter duration than the companion crop.
The base crop should be of longer duration than the companion crop.
The choice of crop should be such that the peak growth period of both the crops should coincide with rainfall peaks.
None of the above
14 In our country, which surface method of irrigation is the most widely practised for field crops?
Check basin method
Basin method
Border strip method
Wild flooding
15 Which of the following are the major sunflower growing states?
Karnataka, Maharashtra, Andhra Pradesh.
Karnataka, Madhya Pradesh, Punjab.
Andhra Pradesh, Rajasthan, Tamil Nadu.
Bihar, Andhra Pradesh, Maharashtra.
16 What type of drought is it in which the actual rainfall falls short below 75 percent of the normal
Agricultural drought
Meteorological drought
Hydrological drought
Contingent drought
17 Modern concept of tillage includes .
Minimum tillage
Zero tillage
Conservation tillage
and above
18 At what depth, the seeds of semi dwarf varieties of wheat crop could be sown 7
2-3cm
5-6cm
7-8cm
8-9cm
19 Which of the following is another term for the Sustainable Agriculture
Alternative farming
Eco-farming
Permeaculture
and above
20 What is the advantage of a conservation tillage?
Reduced tillage machinery maximizes soil compaction.
Low infiltration of water and high evaporation.
Low risk of pests and diseases.
Surface crop cover reduces soil erosion.
21 Which process is responsible for the loss of about 60 to 75 percent of the rainfall
Evaporation
Transpiration
Evapotranspiration
Percolation
22 Which of the following is an example of a film forming antitranspirant
Atrazine
Mobileaf
Kaolin
Phenylmercuric acetate
23 Which crop is suitable for 011 as well as fibre purpose?
Sunflower
Mustard
Linseed
Safflower
24 About how many root slips or stem cuttings are required for planting napier grass in one hectare area
18800
33800
27800
42800
25 What is a period of medium range forecast for Agriculture?
Few hours to one day
24 hours to less than three days
3 to 10 days
More than 10 days
26 Among the following, which is a bio-herbicide
Oryzalin
Lactofen
Tripose
Metribuzin
27 What is the oil and protein content of groundnut kernel
50% oil and 18 protein
45% oil and 26% protein
33 oil and 36% protein
24 oil and 40 protein
28 In winter, what will be the temperature at equatorial tropopause?
-60°C
-70°C
-80°C
-90°C
29 In which crop, flower/inflorescence is called as arrow
Flower primodia initiation in wheat.
Flower of Maize.
Flower of Sorghum.
Flower/inflorescence of sugarcane.
30 What is normal lapse rate in Troposphere?
6.5° F/l000 ft
5.4° F/1000 ft
3.6° F/1000 ft
4.0° F/1000 ft
31 Which of the following agencies has been entrusted by the Government of India with the task of preparation of a feasibility report of interlinking of rivers in India?
National Water Development Agency (NWDA)
Irrigation Commission of India
Central Ground Water Board (CGWB)
National Water Board
32 Among the following which is a component of farming system?
Ducker
Biogas plant
Coir work
and above
33 What is the main advantage of Sustainable Agriculture?
Ecological balance
Nutritious food without pesticide residue
Clean environment
and above
34 How much is the annual yield of green fodder from the Napier grass?
(1)1200 -1500 quintals/ha
250 -300 quintals/ha
800 -1000 quintals/ha
800 -1100 quintals/ha
35 Which is the appropriate time of ploughing operation?
During summer season.
When 25 available soil moisture is depleted.
Soil has completely dried.
Soil is in wet condition.
36 Before sunrise and sunset which solar radiation penetrates into plant canoples more effectively
Direct solar radiation
Diffused solar radiation
Global solar radiation
Reflected solar radiation
37 Which soil tillage aims at reducing the tillage operation to the minimum necessary for ensuring the good seed bed and rapid germination of seed?
Primary tillage
Minimum tillage
Secondary tillage
Rowzone tillage
38 Which is the important developmental activity in resource management for dry land region?
Deforestation
Crop production
Use of fertilizers
Watershed management
39 In which cropping system the term component crop is used?
Inter cropping system
Sole cropping system
Ratoon cropping system
Monoculture cropping system
40 Which is the most serious pest of bengalgram crop?
Cutworm
Aphids
Pod borer
None of these
41 What is a fertilizer containing a single nutrient, called?
Straight fertilizer
Compound fertilizer
Fertilizer mixture
None of these
42 The maximum water vapour movement in soil occurs when the soil is
at field capacity
at maximum water holding capacity
at just below the wilting point
at wilting point
43 Among the major plant nutrients, which of the following nutrient content in soil solution is the least variable and the lowest?
Phosphorus
Potassium
Magnesium
Sulphur
44 Which is/are predominent ionic species of phosphate in soil at pH 7.2
H2/PO4-
HPO4=
H2PO4- and HPO4=
PO4=
45 Which of the following materials is added to prepare a mixed fertilizer with good drilling conditions and reduced caking?
Coal ash
Lime stone
Peat
Dolomite
46 The is that water which lies between wilting coefficient and field capacity.
available water
unavailable water
superfluous water
none of these
47 Which of the following organic manures contains highest amount of nitrogen?
Neem cake
Castor cake
Linseed cake
Groundnut cake
48 Fill in the blank correctly.
When gypsum is used as a reclaiming agent, calcium replaces the exchangeable in alkali soils.
Boron
Magnesium
Sodium
Potassium
49 Which of the following is the process of decomposition of organic matter and synthesis of new organic substances
Horizonation
Eluviation
Humification
Illuviation
50 Which of the following crops is a low salt tolerant crop?
Cotton
Wheat
Soyabean
Maize
51 Which of the following types of soils will adsorb more pesticides and increase soil pollution and health hazards
A fine textured soil dominated with Kaolinite.
A coarse textured soil dominated with Kaolinite.
A fine textured soil dominated with Montmorillonite.
A coarse textured soil deminated with Montmorillonite.
52 What small but significant quantities of soluble compounds does the soil solution contain
Organic
Inorganic
Oraganic and Inorganic
None of these
53 Wllich of the following is a symbiotic bacterium, colonizing on the roots of specific legumes to form root nodules for fixing atmospheric nitrogen?
Azotobacter
Azospirillium
Rhizobillm
Blue -Green Algae
54 What is the chonical combination of water molecules with a particular mineral termed as
Solution
Hydration
Hydrolysis
Oxidation
55 denotes the status of soil with respect to the amount and availability of elements to a plant necessary for its growth,
Soil Productivity
Soil Fertility
Soil Chemistry
None of these
56 Which of the following minerals has a greater anion adsorbing and exchanging capacity
Kaolinite
filite
Montmorillonite
Vermiculite
57 What proportion of clay content in soil seems to be desirable for dry land farming
30 to 40%
40 to 50%
50 to 60%
More than 60%
58 What is the process of removal or loss of oxygen called?
hydration
hydrolysis
oxidation
reduction
59 Which is a secondary nutrient from among the following?
Iron
zinc
Boron
Suiphur
60 Which of the following constituents of organic matter in soil are most rapidly decomposed
Celluloses and hemicelluloses
Fats, waxes and resins
Carbohydrates and simple proteins
Lignins
61 Fill in the blank appropriately.
In seed metering mechanism, vertical plate is provided with radially projected arms, which drop the larger seeds like potato in furrows with the help of suitable jaws.
fluted feed type
cell feed mechanism
picker wheel type
internal double run type
62 What is the Internal double run type seed metering device suitable for?
Large size seed
Small size seed
Sugar beat seeds
Both and
63 In four stroke engine, one power stroke is generuted after of crankshaft.
Each
Two
Four
Half
64 The power developed by the engine and is available at the end of crankshaft is called
IHP
BHP
DBHP
FHP
65 What is the forward end of cutting edge of share which actually penetrates into the soil called?
Gunnel
Share point
Wing of share
Cleavage
66 On what factors threshing efficiency of a thresher depends?
Cylinder concave clearance
Type of crop
Weather conditions
Moisture content of crop
and
and
and
All of these
67 What is the perpendicular distance between point of share and lower position of the beam of plough called
Throat clearance
Horizontal clearance
Vertical clearance
Share point clearance
68 The main purpose of puddling is to
reduce leaching of water
kill the weeds
facilitate transplanting of paddy seedlings
all the above
69 What is the concave clearance in the power thresher?
Clearance between concave and beater or cylinder tip.
Clearance between concave and the blower.
Clearance between concwe und the screen.
Clearance between beater or cylinder tip and blower.
Which of the above statements are correct
only
and
only
and
70 What does the planter consist of
Hopper
Seed metering device
Land side
Frog
Which of the above options are correct?
and only
and only
und only
and only
71 To separate mustard seed from wheat, the best type of separator is
indented cylinder separator
specific gravity separator
centrifugal separator
spiral separator
72 Janssen equation is related to
storage silo design
size reduction
grain transportation system
grain handling
73 Fill in the blank with the most appropriate option.
At is the most common material used for bottles and jars.
High density polyethylene
Food grade PVC
High impact polystyrene
Low density polyethylene
74 Which of the following is an indirect method of moisture determination?
Infra -red method
Dielectric method
Air -oven method
None of the above
75 To predict the lateral pressure in deep bins, which of the equations is used?
Airy equation
Rankine's equation
Janssen's equation
All of the above
76 What is the order of components in vapour compression refrigeration system?
Compressor -evaporator -condensor -expansion valve.
Compressor -expansion valve -evaporator -condensor.
Compressor -condensor -expansion valve -evaporator.
Compressor -condensor -evaporator -expansion valve.
77 Fill in the blank appropriately.
has a fan at the air discharge point which creates a vacuum or negative pressure within the machine.
Specific gravity separator
Aspirator
Indented cylinder separator
Spiral separator
78 the most common. type of heat exchanger used in HTST Pasteurization.
Tubular type
Barrel type
Plate type
Flat surface type
79 The indented cylinder separators, separate the materials on the basis of
Relative lengths
Roundness
Density
None of the above
80 In winter season, due to moisture migration spoilage of grains occurs at the of the bin.
bottom
top
centre
wall side
81 Fill in the blanks appropriately.
An elongated watershed will have a bifurcation ratio and will result into a peak flow compared to circular or normal shaped watershed of the same area.
higher, lower
lower, higher
same, same
none of the above
82 What is the peak runoff rate of an area, if the runoff coefficient, rainfall intensity equals time of concentration and watershed areas are 0.3, 150 mm/h and 90,000 sq.metre respectively?
1.521 m3/s
2.125 m3/s
1.215 m3/s
1.125 m3/s
83 What is the principle of chain surveying?
Radiation
Intersection
Resection
Triangulation
84 What is the shape index of a watershed having length along the main stream 1000 ms and size of watershed 5 square kilometres?
0.2
20.0
200.0
5000
85 In high volume spraying, total volume of spray liquid applied amount to litres per ha
5
5 -200
200 400
400
86 What assumptions are valid for determining peak runoff rate by rational method?
Rainfall has occurred with uniform intensity fqr the duration atleast equal to time of concentration of the catchment area.
The infiltration rate of the soils in watershed is constant.
The rainfall intensity is uniform throughout the catchment.
The initial soil moisture is uniform in the watershed.
and
and
and
and
87 There is a gulley control structure, performing following functions:
Used as a principal spillway in case of farm ponds
It stabilizes gulley grade
Used at lower end of water disposal system
Used as a culvert in forest roads
Which structure is this
Chute spillway
Drop inlet spillway
Straight drop spillway
Graded bund
88 If the runoff area increases, what will its effect be on both the rate and the volume per unit of a watershed area
it will increase
it will decrease
it will remain unaffected
becomes zero
89 What is the volume of rainfall for which the water harvesting project is designed called?
Designed rainfall
Required rainfall
Expected rainfall
Excess rainfall
90 How is the incorrect holding of chain by a surveyor during the survey, categorised?
Compensating errors
Cumulative errors
Human errors
None of the above
91 For moderate slopes and small to moderate irrigation streams, the length of border for clay soils should be meters.
100 to 180
60 to 120
150 to 300
None of these
92 Priming is required to start:
reciprocating pump
centrifugal pump
jet pump
axial pump
93 The christiansen equation for uniformity coefficient is expressed as
<img src='./qimages/-93.jpg'>
94 The flow over trapezoidal notch is proportional to is head over the crest of notch)
3'H72
H
95 The rate of discharge of irrigation pump is calculated by the following relationship. AY q 27.78 RT Where,
Duration of pumping
Depth of irrigation
Velocity of water in suction pipe
Co-efficient of friction
96 The primary objective/s of a well planned farm-stead is/are:
Sanitation
Economy
Low maintenance cost
All of these A 15 D02
97 The presence of aboul' to S percent moisture content in sand increases the volume of sond bv as rnuch as 1 percent 20 to 40 percent 50 to 60 percent 65 to 70 percent
98 In barbed fencing, barllt'd 'Yire is made up of gauge wire.
J 4
18
22
99 The uenvironnwnt of green houseu does not refer to Crop yield Air composition Light Nature of root media
100 Gutters in stanchion bclrn arc usually J r r . 45, 15 ems wide and . ems deep. 55, 20 SPACE FOR ROUGH WORK -000