1 Under ground dams are under watershed development programmes, to

prevent subsurface soil movement

control deep percolation losses

control surface runoff, to achieve water harvesting and to recharge subsurface permeable layers

improve moisture availability for cropping

2 Thermal conductivity of single grain is greater than thermal conductivity of bulk grain by:

2-3times

3-4times

4 times

5 times

3 Rough grading is done by the following equipments

bulldozers, tractor-drawn carrier type scrapers, small scrapers etc.

tractor drawn land planes or wooden floats

wooden planks

tractor drawn sub-soiler

4 Tractor battery should be charged when specific gravity of electrolyte falls below

2.22

1.22

2.0

0.8

5 Surging is the one of the most effective method of

Irrigation

Drainage

Drilling of Well

Well development

6 In drip irrigation the design criterion is generally based on emitter flow variation, for lateral line, of

Less than 10%

Less than 20%

Less than 30%

Less than 40%

7 In potato planter type of device is used to pick up the seed.

Picker wheel

Spoon wheel

Cage wheel

Star wheel

8 Which of the following rain gauge do not produce a mass curve of rainfall as record:

tipping bucket type rain gauge

weighing bucket type rain gauge

natural siphon type rain gauge

symon's rain gauge

9 Which impurity should be doped in crystalline Silicon to form n-type semiconductor?

Having holes

Having same number of electrons as semiconductor

Having surplus free electrons

Having deficit of free electrons

10 The calorific value of biogas (dung gas) is

10 MJ/m3

15 MJ/m3

20 MJ/m3

30 MJ/m3

11 Drains are designed to lower and maintain the ground water:

above the crop root zone

within the crop root zone

below the foliage of crop

below the crop root zone

12 Biogas is a substitute for conventional engine fuels with little modification in engine and the petrol replacement of the order of is possible using biogas.

85%

95%

100%

75%

13 Specific Gravity of fully charged Lead Acid Battery is

1.700

1.560

1.420

1.280

14 Recent innovations in belt conveyor system for grain handling are except one of the following?

Use of higher belt speeds (upto 4.5

Use of steeper troughing angle (upto

(3)Use of inclined belts to elevate grains, thereby eliminating the need for bucket elevators.

Use of horizontal belts to elevate grains, thereby eliminating the need for bucket elevators.

15 Specific gravity separator works on the principles of
The characteristics of grains to flow down over an inclined surface

The floatation of particle due to upward movement of air

Principle is applicable

Principle is applicable

Principles and are not applicable

Principles and are applicable

16 Which of the following is a vertical axis type wind mill

Dutch type

Sail type

Savonius

None of the above

17 Indicate the form of droplets which is not used in Ultra Low Volume spraying?

Fine sprays

Mists

Aerosol

Fog

18 Impervious core wall is provided in the embankment, when:

foundation material is of impervious nature

embankment material is of impervious nature

embankment material is pervious to water

embankment and foundation material impervious to water

19 What is the approximate maximum theoretical efficiency of the horizontal axis type wind machines?

10.5%

59.32%

38.76%

90.01%

20 When the pipes are connected in parallel, the total loss of head is

same as in each pipe

equal to the reciproc.al of the sum of loss of head in each pipe

equal to the sum of the loss of head in each pipe

none of the above

21 In-air oven drying method of grains, the required temperature is

1600 ±5°c

1500 ±4°c

140° ±3°c

130° ± 2°C

22 The depth of water table is obtained by

Piezometer

Observation well

Driven well

All of above

23 Which of the following design involves the estimation of design runoff rate and flood volume?

hydraulic, design

structural design

hydrologic design

none of the above

24 Sediment yield is equal to

sediment yield index/delivery ratio

delivery ratio x gross soil erosion

gross soil erosion/delivery ratio

none of the above

25 The width of border strip is not economical if it is less than

m

3 m

2 m

1 m

26 The size of the watershed should be selected depending upon the possibilities of developing it completely within a period of

1-2years

2-3years

3-5years

5-7years

27 The probable maximum precipitation at a basin or a station is

the greatest rainfall for a given duration that is physically possible

an impossibly large rainfall of a given duration

a rainfall of a given duration that can occur with a return period of 1000 years

a rainfall of a given duration that has the maximum probability of occurrence

28 The dry bulb always registers the actual air temperature. But the wet bulb registers a temperature which is

higher than dry bulb temperature.

lower than dry bulb temperature.

same as dry bulb temperature.

double than dry bulb temperature.

29 per cent of the total rural population is available for doing farm work.

30

40

35

45

30 Tractor rear mounted cultivator used for seed bed preparation and inter row cultivation in black cotton soil is

Duck foot cultivator

Buck foot cultivator

Suck foot cultivator

Bullock foot cultivator

31 If magnitudes of x1,x2 and x3 have return periods of 50, 75 and 100 years respectively. Which of the following statement is true

x1 x2 x3

X1 x2> x3

x1 x2 and x2 x3

X1 x2 and x2 x3

32 Indicate the safe moisture level for harvesting the crop, reducing shedding and shattering losses in the field.



13-15%

23-25%

33-35%

33 Percentage loss of paddy during harvest and post harvest period between field and the consumer is estimated as

10 to 25 per cent

25 to 30 per cent

30 to 35 per cent

35 to 40 per cent

34 In carburettor engine thermal efficiency varies between:

45 to 52 per cent

38 to 45 per cent

32 to 38 per cent

25 to 32 per cent

35 Where it is feasible to grade the field to a true plane method of land levelling is used:

profile

plane

planinspection

Contour-adjustment

36 The oil pressure in the hydraulic pump of hydraulic system of tractor is

301 to 350 kg/cm2

251 to 300 kg/cm2

201 to 250 kg/cm2

150 to 200 kg/cm2

37 Drag devices are often capable of generating high torques and are ideal for some uses suchas

Water pumping

Electricity generation

Both and

None of the above

38 Unsteady flow is that type of flow, in which:

the velocity, pressure and density at a point changes with respect to time.

the fluid characteristics like velocity, pressure, density etc., at a point do not change with time

the velocity at any given time do not change with respect to space (Le. length of direction of the flow)

the fluid particles move along well defined paths or stream lines and all the stream lines are straight and parallel

39 Among following which one should be followed for the tractor after every 10 working hours?

Under dusty conditions, air cleaner oil is changed.

Engine oil should be changed

Transmission oil should be changed

Tappet clearance should be examined and checked

40 A transformer having 1000 primary turns is connected to 250 V a.c. supply. For a secondary voltage of 400 what will be number of turns in secondary coil

1000

500

1600

3200

41 It is required to fill the tank of compression sprayer to of its capacity.

1/2

3/4

2/3

4/5

42 Thermocol used for insulation of refrigerated room is made of

Foamed polysterene

Cork

Asbestos fibre

Polyethylene

43 Rising limb of hydrograph is dependent on

Storm and basin characteristics

Storm characteristics only

Basin characteristics only

None of the above

44 If direct runoff is 15 ha-em and basin area is 0.5 sq. km, the excess rainfall will be

0.3 cm

4.5 cm

0.45 cm

3.0 cm

45 The capacity of each compaftment (bucket) of tipping bucket type of rain gauge is:

1 mm

0.50 mm

0.25 mm

0.75 mm

46 Bel-fast truss is also sometimes known as

steel truss

mansard truss

latticed roof truss

truncated truss

47 Grain property not used in cleaning of paddy is

Size

Specific gravity

Weight

Strength

48 The Weir does not require corrections for end contractions

Rectangular Weir

Cipoletti Weir

Triangular Weir

All of the above

49 The average field capacity of tractor mounted sugarcane planter is about ha/hr.

0.2

0.5

1

0.8

50 of fertilizer metering mechanism is used on animal drawn seed cum fertilizer drill.

Pick up

Double run

Star wheel

Auger

51 The use of glass sheet cover(s) solar heating devices is for

Reflecting the sun light

Absorbing the heat

Preventing the loss of absorbed heat

All above

52 The capacity of a screw conveyor is influenced by
Screw diameter
Inclination of the screw
Speed of blade
Shaft diameter

are only correct

and are correct

only is correct

are only correct

53 The size of the foundation should be detennined on the basis of

Bearing pressure of the soil

Tensile strength of the soil

Crushing strength of the soil

None of the above

54 The recommended air temperature for drying parboiled paddy in LSD dryer is

45°C

85°C

95°C

75°C

55 The parboiling of paddy is a cumulative function of one of the following.

moisture and temperature

moisture, temperature and drying

only stearn heating

moisture and drying

56 Construction of Nala bund facilitates:

reclamation of gullied lands

recharging of ground water

reduction of soil erosion and thereby silting of natural water courses

all the above

57 The earthen check darn, is being used extensively under watershed development programme in Maharashtra for enhancing ground water recharge, is

Cement weir

Drop structure

Nala bund

Chute spillway

58 In EI30 index method of rainfall erosivity estimation, I30 stands for:

threshold rainfall intensity of 30 mm/hr

maximum rainfall intensity for 30 minute duration during the storm

rainfall intensity at successive 30 minute interval during storm

30 ern depth of rainfall

59 The benefit-cost ratio in watershed management works should be minimum of:

1.1: 1

1.2: 1

1

1.5: 1

60 By DAD analysis, the maximum average depth over an area due to one day storm is 60 cm. For the same area the maximum average depth for a 2-days storm can be expected to be:

60 cm

60cm

60cm

30cm

61 Institute in India which developed sugarcane planters is

I.I.T.

N.D.D.B.

C.F.T.R.I.

I.I.S.R.

62 Oscillating type of hydraulic jump takes place when Froude number is in the range of

2.5 to 4.5

1.5 to 2.5

4.5 to 5.5

5.5 to 7.5

63 Which of the following is most desirable for earthen embankment?

gravel +sand +clay

gravel +fine sand

sand +clay

clay

64 As per land use classification, class-III land is suitable for cultivation and demands:

occasional cultivation

no conserVation measures

moderate conservation measures

intensive conservation measures

65 When the velocity is doubled, the soil erosive capacity as represented by the kinetic energy of the flowing water is increased about:

2 times

4 times

6 times

10 times

66 For suspended load sampling, following type of sampler is used:

Basket type

Slot or pit type

Pan or tray type

Depth integrating type

67 Heat can be transferred by except one of the following'ways

Conduction

Radiation

Convection

Proportion

68 In case of hydraulic design for non-steady state sub-surface drainage formula is used.

Glover-Dumm

Ernst

Hooghoudt

Kirkham

69 In rheology except one of the following parameters are used for expressing the mechanical behavior of the material

Force

Deformation

Time

Porosity

70 In excavated farm pond, the side slope usually kept in firm soils is

1:1

1.5:1

2:1

1:2

71 When average annual rainfall and evaporation over land masses and oceans on the earth are considered:

annual evaporation from land area is found to be same as annual rainfall

more rainfall occurs over land area than evaporated back from the same area

more rainfall on oceans than what is evaporated

annual rainfall and annual evaporation over oceans are equal

72 Surplus weirs are generally used to protect breaching of

contour bund

graded bund

terrace

diversion drain

73 The science of artificial application of water to the land, in accordance with the crop requirement throughout the crop period for full-fledged nourishment of the crops is called as:

evaporation

runoff

rainfall

irrigation

74 During conditioning of wheat, moisture content is increased to 15 -16 percent by soaking and then tempered in bins for

18 -72 hours

2 -10 hours

10 -20 hours

70 -80 hours

75 The erosion control structure adopted for the non arable land is

contour bunds

graded bunds

trenches

ponds

76 Engineering measures of erosion control for arable land become necessary, when land slopes are:

more than

more than

more than

more than 10%

77 In the drum or roller dryer the food is coated as a thin paste over the surface of a slowly revolving heated cylinder in one of the following positions

Vertical

Horizontal

Inclined

Declined

78 If temperature and pH are favourable a Carbon-Nitrogen ratio of which range will permit optimum digestion in biogas plant?

(1) 10



50

30

79 A queen post truss is suitable for roof of spans varying from

10 to 15 meters

05 to 10 meters

08 to 12 meters

05 to 15 meters

80 Which of the following is not a basic element of a transformer?

Core

Secondary winding

Primary winding

Mutual flux

81 L1, L2, L3 are the length of three pipes, connected in series.. If d1, d2 and d3 are their diameter, then the equivalent size of the pipe is given by:



82 Efficient irrigation by the Furrow method is obtained by selecting proper combination of

spacing and length only

slope of furrows and suitable size of irrigation stream only

length and duration of water application only

spacing,lengthandslopeoffurrows andsuitablesizeofirrigationstreamandduration of water application

83 Indicate which is not a sprayer in this group.

Hand atomizer

Engine powered sprayer

Air plane sprayer

Orient sprayer

84 For conveying grains on a belt conveyor, recommended speed of its belt is

2.5 -2.8 mls

3-3.5 mls

4-4.5 mls

0.5 mls

85 In terms of power output one can expect how much kW per animal

0.3 to 0.6

0.7 to 1.0

1.1 to 1.4

1.5 to 1.8

86 What is the standard value of the solar constant

1000 W1m2

2000 W1m2

1353 W1m2

1857 W1m2 Ii II

87 Cold storages are used to maintain the fruits at Low temperature High temperature Low humidity High humidity Ii i1 iI

88 The milk house is generally placed away from the dairy barn at about:

4m

2m

6m

8m

89 The most important factor affecting the terminal velocity of a spray droplet is

droplet size

droplet density

droplet volume

droplet frequency

90 Among the methods of sedimentation control in reservoirs, which method is comparatively expensive and situation oriented

Construction of vegetation screens

Control of sediment inflow

Removal of sediment deposit

erosion control in the catchment

91 If the wind speed is increased twice then the power available will increase how many times?

8 times

20 times

16 times

32 times

92 A minimum furrow grade of per cent is needed to ensure surface drainage.

0.01

0.03

0.05

0.10

93 An area is classified as a drought prone area if the probability of occurrence of a drought is:

0.4 P 1.0

P 0.4

P 0.2

0.0 P 0.20

94 The mass curve of rainfall is drawn as a plot of

Rainfall intensity Vs time

Accumulated rainfall intensity Vs time

Accumulated rainfall Vs time in chronological order

Rainfall volume Vs time

95 In essential tests under tractor testing there are number of tests except one among following?

Engine test

Drawbar test

Centre of gravity

Noise measurement

96 Bucket elevator with a belt carrier can be used at .a high speed of

2.5 to 4.0 m/sec

5.0 to 8.0 m/sec

7.5 to 12.0 m/sec

10.0 to 16.0 m/sec . P.T.O. q;:e6Ql q;lqlfll& SPACE FOR ROUGH WORK

97 Which one of the following is not a positive displacement pump

Reciprocating piston pump

Gear pump

Rotary pump

Centrifugal pump

98 Soil erodibility factor is higher in

Sandy soils

Clayey soils

Silt clay soils

Loamy soils

99 Road speed of farm tractor for transport work is

19 to 24 kmph

25 to 30 kmph

31 to 36 kmph

37 to 42 kmph .....

100 In thin layer drying grain bed thickness is

20cm

40cm

60cm

80cm

101 Rice milling machinery having the highest shelling efficiency is

Under runner disc sheller

Rubber roll sheller

Huller

Centrifugal dehusker

102 The practical unit of electrical energy is

Joules-second

Watt-second

Kilowatt-hour

Watt-hour

103 The equipment used for land grading is:

M.B. Plough

Disc Plough

Buck Scraper

Cultivator

104 Diversion ditches provided for protection of cultivated land, are generally planned:

along the slope at the upstream of protected land

across the slope at the upstream of protected land

at the field boundary irrespective of slope direction

across the slope at the downstream of protected land

105 Which one of the following is not a principal part of a Sprayer Nozzle?

Body

Washer

Disk

Single or double acting pump Cfiiii41 SPACE FOR ROUGH WORK

106 The catchment area for Nala bunding should be

greater than 1000 ha.

750 to 1000 ha.

500 to 750 ha.

80 to 500 ha.

107 The number of gangs of discs in tandem harrow is:

1

2

3

4

108 If the major p'art or the entire pondmg of water is achieved by a raised crest and a smaller part or nil part is achieved by the shutters, then the barrieris known as

River regulator

Barrage

Weir

None of these

109 The type of truss commonly used for spans varying from 5 to 8 meter is:

queen post truss

king post truss

composite truss

mansard truss

110 For clay type of soil the drainable is

more than porosity

less than porosity

zero

equal to hydraulic conductivity

111 Which form of erosion is most serious in India?

Rill

Gully

Sheet

Splash

112 KYlC digester design, which is patented by KYlC India under the name

Janata

Grah Laxmi

Pragati

Din Bandhu

113 Porosity of grains depend upon following except one?

Shape

Dimensions

Roughness

Colour

114 In case of two point sampling the sediment observations are recorded from:

0.4d and0.6d

0.3dand0.7d

0.2d and0.8d

0.1dand0.9d P.T.D. Chi:ii!Zll ChIQlftidl SPACE FOR ROUGH WORK

115 Aquifers, ground water reservoir or water bearing formations are the:

formations or strata within the unsaturated zone below ground surface

formations or strata within the unsaturated zone above the ground surface

formations or strata within the saturated zone below the ground surface

formation or strata within the saturated zone above the ground surface

116 If the delta for a crop is 1.2 m and the base period of crop is from June to September, then its duty will be hectare/cumec.

748.7

784.8

846.5

878.4

117 For efficient photo-voltaic cell, it is desirable to have high values of

Fill factor

Short circuit current

Open circuit voltage

All of the above

118 Spark ignition engine works on the principle of cycle.

otto

petrol

diesel

gas

119 The return period of one day maximum rainfall of magnitude equal to or greater than is 10 years means

In a long period of 100 years, 10 such events can be expected

That every 10 years, the event would definitely occur

Such events are likely twice in 10 years

None of the above

120 Contents of fruit and vegetables are retained more in

Tray drying method

Tunnel drying method

Sun drying method

Freeze drying method

121 In a combine harvester the normal ratio of peripheral speed to forward speed (reel speed index) is:

2to 2.5

2.5to3

1.25to1.5

3.5to4 4i&QI iiI'J1TT /SPACE FOR ROUGH WORK

122 In diesel engine, the torque is considerably high at lower than rated speed this behavior is called

rising ability

gearing ability

lugging ability

traction ability

123 For a hilly terrain region the green house recommended is

Lean to type green house

Even span type green house

Uneven span type green house

Quonset green house

124 Purpose of providing very flat sides in broad base terraces is

to increase spacing of terraces, thereby achieving economy

to increase carrying capacity of terrace channel

to facilitate agricultural operations

to improve soil deposition

125 To increase the spray angle of nozzle spray pattern, it is required: to increase orifice diameter to increase pressure to reduce opening of swirl plate

and are correct only

and all are correct

and are correct only

and are incorrect

126 The volume of water the aquifer releases from or take into storage per unit surface area of the aquifer per unit change in the component of head normal to the surface is called as

coefficient of storage

specific yield

transmissibility

leakage factor

127 The power duster of a small capacity does not consist of one of the following:

Blower

High speed Engine

Discharge Hose pipe

Hand Automizer p.T.a.-- Cfiiiall CfiIQlftia SPACE FOR ROUGH WORK

128 In rational method, represents

average rate of rainfall

one hour intensity of rainfall

intensity of rainfall for a duration at least equal to the time of concentration

none of the above

129 Dryer used to remove water from solutions or suspensions is:

Solar dryer

Rotary dryer

Spray dryer

Batch dryer i

130 is the amount of forward travel per cut by the rotary tiller.

Byte length

Cut length

Bite length

Effective length

131 For the purpose of starting an induction motor a star-delta switch is equivalent to an auto-starter of ratio per cent.

33.3

73.2

57.7

60

132 The erodibility index of a soil having 20% sand, 40% silt and 60% clay is:

1

1.5

2

2.5

133 The factors affecting drawbar performance are total weight centre of gravity condition of traction surface travel speed

and all are correct

correct and incorrect

only is correct

correct and incorrect

134 Which of the following is different from the rest?

rain'

drizzle

hail

fog Cfi....' ifl1If SPACE FOR·ROUGHWORK

135 An isohyte is a line joining points having:

equal evaporation values

equal heights above mean sea level

equal rainfall intensity

equal rainfall magnitude

136 For gully erosion control, long and narrow medium size gullies are controlled with:

diversion structures at gully head

permanent and semi-permanent check dams

tillage operations

filling with soil

137 One of the following is not a part of single effect Evaporator:

Heat Exchanger

Condenser

Separator

Concentrator

138 Under watershed development programme, primary objective of planning trenches on non-arable hill slopes is to

control soil erosion and land slide

conserve moisture for afforestation

break the length of slope and remove runoff safely jjJII

to engage personnel under EGS

139 An impervious stratum within the zone of aeration interrupts percolation and causes ground water to accumulate in a limited area above that stratum. Such type of geological formation is known as

Confined aquifer

Unconfined aquifer

Perched water table

Aquiclude

140 Separator which separates material on the basis of shape and surfiice texture is

Disc separator

Inclined draper

Spiral separator

Cyclone separator P.T.O. 4i'6ilQI 4iliU'tI& SPACE FOR ROUGH WORK

141 The capacity ofRotary dryer for drying parboiled paddy introduced byJadavpur University (Calcutta) is:

1 Tonne/hr

2 Tonnes/hr

3 Tonnes/ hr

4 Tonnes/hr

142 The most efficient cross section for an open channel is

Semi circle

Rectangular

Trapezoidal

Triangular

143 Generally head water flood control reservoirs, used for automatic regulating the excess of design flood, are of type

storage reservoirs

detention reservoirs

multipurpose reservoirs

water harvesting reservoirs

144 The total area which can be irrigated by a certain channel or a project is called as

C. C. A.

G. C. A.

I. I.

None of above

145 Air cleaner used in Farm engines is:

Oil bath type

Hit and miss type

Pre-cleaner type

Swimming type

146 The common application of pasteurization is to one of the following liquids?

Milk

Butter-milk

Water

Honey

147 In USLE, the most sensitive factor causing soil loss is:

R

K

LS

C

148 Mechanical cotton picker cannot act as a device:

to remove the cotton from the open bolls

to remove cotton from unopened bolls

to convey picked cotton

to store picked cotton ChiiE41 ChlqlOtli§ iIT11T I SPACE FOR ROUGH WORK

149 The bearing capacity of a soil depends upon:

grain size of the soil

size of the footing

shape of the footing

all of the above

150 1 darcy

0.876

0.789

0.987

none of these

151 At the time of physio-logical maturity of the plant, the food grains hold moisture content to the tune of

12-15%

16-18%

20-25%

25-30%

152 Under single cropping pattern, it is normally recommended to consider HP for every two hectares.

2

2.5

3 .



153 A tillage implement (or tool) moving at a constant velocity is subjected to following main forces except one which must be in equilibrium

Force of gravity acting upon the implement. The soil forces acting upon the implement . The forces acting between the implement and the prime mover. Forces of wind velocity acting upon the implement. ." 154. A hyetograph is draWR as a plot of Run off discharge Vs time

Rainfall Volume Vs time

Rainfall intensity Vs time interval

Cumulative rainfall Vs time

155 For average condition of grass cover and channel section, the flow velocity used for design purposes is

0.9 to 1.5 mjs

1.5 to 2.0 mjs

2.0 to 2.5 mjs

2.5 to 3.0 mjs

156 The middle third rule is used in the design of headwall in drop structures to withstand against failure by

overturning

tensile forces

sliding

crushing P.T.O. SPACE FOR ROUGH WORK

157 method of irrigation to soils is having moderately low to moderately high infiltration rates.

Check basin

Border

Furrow

None of above

158 What will be the amount of fertilizer to be applied at each setting when a lateral has 12 sprinklers spaced at 10 m apart, the lateral spacing is 18 m and the fertilizer dose is .120 kg/ha

25.92 kg/setting

26.92 kg/setting

27.92 kg/setting

28.92 kg/setting

159 During milk processing homogenization of milk is carried out:

To kill the bacteria

To preserve the quality

To break fat globules

None of the above

160 The advantages of solar concentrator system over flat plate type collectors:

Reflecting surfaces require less material and are structurally simpler.

The working fluid can attain higher temperatures.

Uniform flux as the absorber.

Both and

161 When leaching is required to remove salts from the soil profile the irrigation method is used.

Border

Check basin

Furrow

Sprinkler

162 The wall that can support the ceiling as well as its own load have thickness of:

22.5 cm

37.5 cm

32.5 cm

22.00 cm

163 Working width of 5 row 2Ocm. spacing paddy transplanter is

0.4m

0.6m

0.8m

1.0m CfiiiSQi ctilQi1idt iIf1T1' SPACE FOR ROUGH WORK

164 Depending upon the seed metering device, seed drills may be classified as except one of the following

165 The tilt angle of the disc plough is

5° to 10°

15° to 25°

30° to 40°

40° to 45°

166 To control the flying insects droplet size required is micron metre.

50 to 100

125 to 150

10 to 50

150 to 200

167 While calculating the optimum number of rain gauge stations in a watershed, the allowable error for estimation of rainfall is generally taken as

8%

10%



20%

168 The coding of watershed should be started from:

middle of watershed towards lower end

downstream end and proceeded to upstream end

upstream end and proceeded to downstream end

none of the above

169 What is the name for the contours of constant wind power (Watts/m2 of area perpendicular to wind flow)

Isohytes

Isobars

Isodynes

Iso octane

170 For the reclamation of Alkali soil the suitable salt is soluble: •

Sodium

Calcium

Sodium bicarbonate

None of the above

171 Draft of a plough is measured in

Manually metered drills Mechanically metered drills Pneumatically metered drills Electronically metered drills kg

kg/Sq.cm

Sq.cm

Hectares P.T.O. CfiWOlI Cfilql{Otldl SPACE FOR ROUGH WORK 28 AKQ

172 In three point hitch system links are in tension.

one

three

two

four

173 Percolation tanks, constructed and maintained under minor irrigation projects, act functionally similar to

cement concrete gully control check dam

water harvesting concrete weirs

gabion type gully control check dams

Nala bunds

174 Movement of soil particles move by bouncing along The bed is termed as:

Saltation

Suspension

Surface creep

Bed load

175 Gully cuts the horizon in development stage number:









176 The priority of subwatershed for treatment is decided on the basis of

productivity

sediment yield

vegetation

area of subwatershed

177 An opening made ina wall for the purpose of providingday light, vision and ventilation is known as:

door

open wall

window

none of these jIIIIt.

178 How much quantity of biogasis roughly required to run a one horse power engine for 2 hours?

0.01 cU.m

0.10 cU.m

1 CU.m

10 cU.m

179 Contour farming is most effective to control erosion on land slopes of:

1to

3to

7to 12%

12%

180 In system terminology the input of unit hydrograph is

base flow

rainfall excess

rainfall depth

rainfall intensity f4i'iiilql ifl1TT SPACE FOR ROUGH WORK

181 Which one of the following does not affect the draft of plough?

Tillage treatments

Manures applied

Crop residue left in the soil

Spraying to previous crop

182 Freeze dried operations are performed under a predetermined pressure of a few hundred microns between temperature of .

to 30"C

to 40°C

to 45°C

None of these

183 In variable grade given to a graded bund, the maximum grade is kept at

upper end of the bund

middle portion of the bund

out let end of the bund

whole length of the bund

184 Runoff samples are collected by

stage level recorder

H -flume

V -notch

multislot diviser

185 No load test on transformer is carried out to determine:

Copper loss

Magnetizing current

Magnetizing current and no load loss

Efficiency of transformer

186 All watershed development works should start from:

upper reaches of the watershed

middle reaches of the watershed

lower reaches of the watershed

none of the above P.T.O.' . &ii36£ll &ilqlftld' SPACE FOR ROUGH WORK

187 Small watersheds are characterized by

overland flow dominating channel flow

land use affecting overland flow

channel characteristics affecting overland flow

base flow dominating channel flow

188 A property of agricultural product which is necessary to design air separating system is:

Hydrodynamic properties

Aerodynamic properties

Physical properties

Thermal properties

189 Safe level of moisture in grains is required for preservation of quantity quality nutritive value viability

and are correct

and are correct

(c)and are correct

and are correct

190 Pick up the wrong statement from the following:

Transport of sediment particles by rolling along the bed is known as saltation

Trap efficiency of the reservoir decreases with increase in capacity-inflow ratio

A bed load at one section may move as suspended load at another section

Deposition of coarse sediments takes place at the entrance to the reservoir.

191 Pusa bin is a moisture free bin made of

Burnt bricks

Unburnt bricks

Stone blocks

Cement blocks

192 Roller milling system of wheat is divided into break roll system and

Reduction roll system

Single roll system

Double roll system

Rubber roll system

193 Mangers used in dairy barns should widths ranging between

60to75em

90to115 em

75to90 em

None of these

194 Among the theories of moisture movement phenomena in cereal grains, which one of the following is not popular

Light diffusion

Surface diffusion

Vapour diffusion

Thermal diffusion

195 The minimum thickness of the filter material placed around the tile drain should be

5 em

7.5 em

10 em

12.5 em

196 During pasteurization milk is held in HIST pasteurizer for 15 seconds at a temperature of:

197 Type of furrow opener suitable for hard soil, trashy field and wet sticky soil is:

Double disc type

Single disc type

Inverted T-type

Shovel type

198 Modem rice milling machinery is developed in Europe and in

India

China

U.S:A.

Japan

199 Terminal velocity for soyabean is

11.3 m/sec

22.3 m/sec

33.3 m/sec

44.3 m/sec

200 In carburettor, the choke controls the volume of entering into the venturi.

petrol

mixture of air and petrol

diesel

air