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Question Booklet No ...................................
I TO be filled up by the candidate by blue I black ball-point Pen rRoll No.Roll No. Write he digits n words) ...................................................................................................................................................Serial No. of Antrwer SheeL ...........................Day and Date ................................................... ISignature of nvigi/ator)
INSTRUCTIONS TO CANDIDATES(use only blue/black balt.point pen in the space above andon both sides of the Answer Sheet)
1. WI hin 10 minutes of the issue of the Question Booklet, check the OJes1ion Booklet to ensure thatit containsall the pages in correct sequence and that no page/questionis missing in case of faulty OJestion Booklet bringit to the notice of the SuperintendentfJnvlgilators immediately to obtain a fresh QuestionBooklet
2. Do not bring any loose paper, written or blank, inside the Examination Hall except the Admit ard wi/hf Jut its .envalope.
3. A separate An swidr Sheet is given. It should not b8 folded or mutOaffld. A SfICOIId Answer h_t shall notbe provldsd. Only the Answer Sheet will be 9f1aluattK/.
4. Write your Roll umbe, andSerial Numb., ofthe AnswerShtIet by ptIII in the space provided above.5. On thtl front pag of the A 'Iswer ShtNIt, wl'ittfl by ptHI your Roll NumbBr In th spacfiprollldtld at the top,and,by darlt"lllling the eire/lis at th bottom. Also wIHIrtIvtH appllc:sble, wrlfIJ the Question Booklet Numbtlr
a.ld th9 Number If approprlat6 p 8C8S,6. No overwriting i.s' a lowed in the entries of Roll No., Question Booklet No. and Set No. it any) on OMR sheet
and Roll f\lo. and OMR $heetNo, on the Question Booklet7, Any changes in the aforesaid entries is to be verifie
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No. of Questions : 120Jlv.ihlit : 120
10P/289/3
Time 2 hours Full Marks: 360Wl'I": 2.m: '{ 'Ifqi: 360
Note (1) Attempt as many questions as you can. Each question carries3 (Three) marks. nem rk will be deducted for each incorrectanswer Zero mark will be awarded for each unattemptedquestion.
m'f 'iii w 'fiT l ''f it I m 3 (lfr.r) at.; 'fiT ~ ITT1'ffl 3ffi" ii; ' 'O ajq; l6m omml i ~ m 'fiT
"K" lWrr I(2) If more than one alternative answers seem tobe approximate to
the correct answer, choose the closest onelIf< ~ f t l < 1 i ~ , f f q < 1 i ,Btr ' l\; JRfur m cit f.I
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2. Weighted creep ratio WCR) s defmed as the ratio ofI) Critical head and seepage path2) Weighted creep distance and totalhead loss3) Weighted creep distance and seepage path4) Critical head and weighted creep distance
3 Vemoulli s equation is n equation of1) Conservation of mass
(2) Conservation oflinear momentum(3) Conservation of angular momentum(4) Conservation of energy
lOP 289 3
4. Identify the incorrect or false statement The length of flow path for a flowthrough foundation ,of a hydraulic structure can be increased by providingI) an upstream clay blanket3) an upstream cutoff wall
2) a downstream eutoffwall4) None of the above
5. The head over a V -notch t the end of channel is 75 em, if n error of0 15 em is possible in the measurement of head, then the percentage errorin computing the discharge will be1) 0 3 2) 0.5 3) 1.0 4) 1.5
6 Net outgoing long wave radiation is equal to1) Short ware radiation reflected from ground surface
(2) Difference between radiation from ground surface upward and thedownward long wave radiation3) Radiation because of temperature of earth surface4) None of the above
2 I Continued
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7. ky radiation is defined as1) Total direct solar radiation on earth surface2) Downward scattered and reflected component of thermal radiation3) Total retlected radiation from carth surface4) Night time radiation coming from extra terrestrial bodies
8. The basic assumption of the unit hydrograph theory is1) Non-linear response and time invariance2) Linear response and non-linear time variance3) Linear response and time invariance4) Linear response and time variance
9. Leakage factor has the dimension of1) Lcngth3) Velocity
2) Time4) Resistance
10. Water held in intra molecular space of a soil mass due to surface tensionis termed asI) Capillary water3) Gravitational water
2) Structural water4) Absorbed water
11. The basic assumption of the unit hydrograph theory is1) Non-linear response and time invariance2) Linear response and non-linear time variance3) Linear- response and time invariance4) Linear response and time variance
Turn Over)
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12 An agricultural land is said to be waterlogged, whenI) The land is completely submerged under standing water
(2) There is flowing water over the land(3) The p value of the soil becomes as high as 8.54) The soil pores in the root zone get saturated with water either bv. . .
the actual water table or by its capillary fringe for a longer period13 The main objective ofljning of irrigation channel is to
1) Rcduce seepage loss(2) Increase carrying capacity(3) Maintain thcir shape(4) Attain constant discharge
14 In drip irrigation design. the design criterion is generallybased on n emitterflow variation1) 20
IS. Humidity is measured by a1) Hygrometer
(3) Hydrometer
3) < 5
(2) Hyetometer(4) Pyrheliometer
16. If discharges in two circular orifices 01 and 02 placed at depths of 20 emand 80 em below a constant level of water in a tank are equal, the ratioof the diameters of the orifices Oland O 2 is1) I: 2 2) 2: I 3) /2:1 4) 1:,,/2
( 4 I Continued)
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17. Rating curve expresses the relationship between1) Stage versus discharge2) Stage versus velocity3) State versus time4) Stage versus sediment load
18. Conservation bench terrace is designed for
1) Senti arid region3) Humid region 2) Arid region4) None of the above19. A steady state flow condition exists when
1) The water level n the wells ceases to decline
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2) The water level responds to changes in atmospheric pressure3) The water level drops as the pumping is continuer4) None of the above
20. With increase in supplied irrigation water, the yield of the cropsI) Increases continuously2) Decreases continuously
(3) Increases up to a certain limit and then becomes constant(4) Increases up to a certain limit and then decreases
21 The time taken for a tank filled to height h above its flat base) to emptyt h r o ~ h n orifice n the base varjes as the following power of h1) I 2) 2 3) 1/2 4) -1
5 ) TIITTI Over
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22 The discharge rate of drip irrigation usually ranges from1) 2-101itiday3) 2-10 lit/min
2) 2-10 lit/hr4) 2-lOlitisec
23 From the hydraulic efficiency point ofview, themost efficient cross-sectionof an open channel is1) Semi circular3) Rectangular
2) Trapezoidal4) Parabolic
24 Well yield per unit drawdown n an unconfined aquifer is referred as1) Storage coefticient3) Wcll yield
2) Specific yield4) Transmissivity
25. Advantage of a submersible pump s1) [t gives more discharge at low head2) It givcs high discharge at high head3) It can be used n very deep tube-wells4) Its n ~ r g y consumption is low
26 At s u b ~ c r i t i c a state of flow, the ratio of gravitational and inertial force ;IS
1) More than 1 2) Less than 13) Equal to 1 4) None of the above
6 ) Continued
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27. The consumptjvc u ~ C afwater for crop represents{I Transpiration needs of the crop(2) Evaporation needs of the cropped area(3) Evapotranspiration needs of the cropped area plus the minor quantity
required in plant metabolism(4) None oUhe above
28. Under open channel flow conditions, the hydraulic jump is formed whenthe Froude number is( 1 Equal to one(3) More than one
12) Less than one14) None of the above
29. Total depth of irrigation to a crop is known as11) Dutye ) Base
12) Delta(4) Crop evapotranspiration
30. For irrigating orchards, the most suitable method is(1) Barder irngation method12) Basin irrigation method(3) Spdnkler irrigation method41 Drip irrigation method
31. The standard recording gauge adopted in India is of11 Telemetry type 12) Weighing bucket type13) Tipping bucket type (4) Natural siphon type
( 7 ) TurnOver)
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32 f the size of a watershed increases, the runoff1) Volumes and rates decrease2) Volumes and rates increase3) Volume decreases but the rate increases4) Volume increases but the rate decreases
33 The line above which there is no hydrostatic pressure and below whichthere is hydrostatic pressure is referred as1) Flow line3) Seepage line
2) Streamline4) Piezometric surface
34 For the storm runoff analysis, the base flow separation is performed on1) a unithydrograph2) a flood hydrograph3) a hyetograph4) a hydrograph o effluent stream only
35. The volute o centrifugal pump changes1) Pressure head into velocity head2) Frictional head into velocity head3) Velocity head into pressure head4) Velocity head into frictional head
36 Terraces constructed on contour lines are called1) Graded terraces 2) Levellerraces3) Bench terraces 4) Drainage type terraces
8 ) Continued)
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37 Bench terraces are constructed to changeI) The slope of land only2) The length of slope only3) Both the land slope and the slope length4) None of the above
38 Graded terraces are recommended for the areas whereI) Rainfall is high 2) Rainfall is low3) Soil depth s more 4) Soil s of shallow depth
lOP 289 3
39. Whcnwatertrom a confined aquifer is pumped, which one of the followings lowered?1) Water table3) Drawdown
2) Piezometric surface4) None of the above
40. The exact method of computing volume of earthwork in land levellingIS
I) Four point method3) End area method
2) Prismoidal formula4) None of the above
41 The Universal Soil Loss Equation, primarily developed for small water-sheds, estimates1) Permissible annual soil loss2) Maximum annual soil loss3) Average annual soil loss4) Minimum permissible annual soil loss
, 1 Tum Over)
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IOP 289 3
42. The most active portion of a gully s1) The gully tail3) The gully banks
2) The gully head4) The gully bed
43. Drop spillway structures are usually limited to drops ofI) 3m3) 1 m
2) 5 m4) More than 10 m
44. Cutoff wall n a spillway s provided toI) Check piping2) Check erosion3) Increase possibility of erosion4) Provide weir aeration
45. The stilling basin with a chute spillway s provided forI) Energy formation3) Discharge measurement
2) Energy dissipation4) Wave formation
46 The equipment which continuously records the water level ofthe flowingstream is called asl) Current meter 2) Parshall flume3) Discharge recorder 4) Stage level recorder.
47. The suspended sediment in a flowing stream s measured by1) a stage level recorder2) a Parshall flume3) a Coshocton wheel sarnpiJ:r4) a cipoletti weir
10 ) CantinLlcdJ
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lOP 289 3
48. Shelterbelts art most effective, if installed(1) At an angle of 45 from the prevailing wind direction(2) . At an angle more than 90 from the prevailing wind direction(3) Parallel to the prevailing wind direction(4) Perpendicular to the prevailing wind direction
49. Thc relative proportion of silt, sand and clay determines1) Soil structure
(3) Soil series2) Soil texrure
(4) Soil stratification50 The pressure o soil water above the water table s
1) More than atroospheric(3) Less than atmospheric
(2) Equal to atroospheric(4) None of the above
51. f n ~ p u p speed (rpm), Q ~ pump discharge (m'/sec) H= total head(meter), thc specific speed of pump will be
nQ3/ 4( )
HQ'(43 )
nQ /22 )
4) nQ34
52. For partially penetrating well, the depth of observation well should be(1) Half of the depth of test well(2) 2 times the depth of test well(3) Equal to depth of test well(4) times the depth of test well4
( 11 ) Tum Over)
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IDPl28913
53 Yearly s e q u e n ~ and spatial arrangements of crops and fallow n givenarea is referred to as1) Cropping intensity3) Cropping pattern
2) Cropping system4) Cropping arrangements
54 The field capacity and available soil moisture are referred to as1) Soil moisture constants3) Soil moisture range
2) Soil moisture physics4) Soil moisture index
55 Volume afwater present in toial pore volume is referred to as1) Volume of wetness3) Degree of saturation
2) Saturation4) Moisture content
56. The sum of exchangeable cations absorbed by soil expressed n m llequivalents per 100 gm of soil is referred to as1) Cation exchange 2) Cation percent3) Exchangeable cation 4) Cation exchange capacity
57 Bridging action n tube-wells can be broken byI) Developing well by over puriiping2) Developing well by surging3) Constructing well by reverse rotary method4) Controlling pH of groundwater
58. The sum ofwell loss and formation loss s known as1) Total wellinss3) Drawdown
12 )
2) Friction loss4) Head loss
Continued)
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59. The most common method ofland levelling design isI) Profile method2) Plan inspection method3) Contour adjustment method4) Plane method
IOP 289 3
60. The ratio ofthe equivalent depth of drainage water to the depth of irrigationwater is referred to as1) Drainage coefficient2 j Leaching requirement3) Fraction of drainage water4) None of the ahove
61. The volume of water. the confined quifer releases from or takes intostorage per unit surface re of the aquifer per unit change in the componentof head normal to the surface, is referred to asI) Coefficient of storage3 j Transmissibility
2) Hydraulic conductivity4) Specific yield
62 A tube well whjch dies not make use of strainer and contracted at a locationwhere high yielding s nd str tum is underl in y strong impervious str tumof day is known as1) Collector well3 ) Cavity well. - 2) Fully penetrating well4)None of the above
63. Tht ratio exp.ressed in percentage of irrig tion water stored in root zoneand avoilahlc for crop production to that delivered at the head of the fieldi s known asI) Irrigation efficiency 2) Projec t efficiency3) Farm irrigation efficiency 4) Field irrigation efficiency
3 I Tum veT
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101 /289/3
64 Effective root zone depth of sugarcane is considered as1) 60cm 2) 90 cm 3) 120 cm 4) 180 cm
65 Measure of dryness of a region is referred to as1) Drying coefficient3) Assimilation
2) Aridity index4) Humidity
66. If a soil has p H ~ 8.5, E ~ 4mmhos/cm at 25C and S P ~ 15, thesoil is refe.rred_as1) Saline-alkali3) Saline
2) Alkali4) None of the above
67 quifers which are overlain or underlain by semi ' permeable strata arcreferred to as1) Confined aquifer3) Perched aquifer
2) Leaky aquifer4) Unconfined aquifer
68 The pressure of water above water table will be1) Positive3) Negative
2) > Atmospheric4) None of the above
69. The number of the days that can be allowed for applying one irrigationto a given design area during the peak period of consumptive use of thecrop is referred to as1) irrigation interval 2) irrigation frequency3) irrigation intensity 4) irrigation period
14 ) Continued)
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70. Recommended safe limit of land slope for efficient irrigation in mediumloamy) soils is1) 0.4-0.6 percent3) 0.2-0.4 percent
71. Horizontal centrifugal pump has
2) 1.0-2.0 percent4) 2.0-4.0 percent
I) Vertical impeller mounted on a horizontal shaft2) Horizontal impeller mounted on a vertical shaft3) Impeller mounted on a shaft having 30 tilt from vertical4) None of the above
72 Jet pumps arc the combination of centrifugal pump and jet machanismwhere
I) Jet is placed at ground surface and ccntrigugal pump in the well belowwater surface2) Centrifugal pump is placed at ground surface and jet in "he well belowwater surface
3) Centrifugal pump and jet, both are placed in "he well belowwater surface
4) Centrifugal pump and jet, both are placed at ground surface73. The weight of oven dry soil per unit volume ofwet soil divided by density
of water is referred to1) Bulk density 2) Density of soil3) Apparent specific gravity 4) None of "he above
5 ) Tum Over
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74. Almost all natural groundwater motion has Reynold's number equal to1) One3) >One
2) < One4) None of the above
75. The method to analyse pumping test data for unsteady flow to a well nconfined quifer which is applicable for l rge value of time nd small valuesof distance of observation well from test well was given yI) Hantush
(3) Theis(2) De-Glee(4) Cooper and Jacob
76. f a saturation extract of soil h s Electrical Conductivity less th n 4m mhos/ em and SAR less than 3, the soil is referred to as1) Normal
(3) Saline-sadie(2) Sadie(4) Saline
77 f the viscous forces are so strong, relative to the inertial forces, {h tviscosity plays a significant part in determining flow behaviour then nowin the channel will beI) Turbulent (2) Laminar
(3) Discontinuous flow (4) None of the above78. The albedo s the ratio of
I) Actual to yearly average rainfall day(2) Actual to monthly average temperature/day(3) Actual to maximum possible hours of bright sun shine/day(4) None of the above
16 ) Continued )
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79. The lines of equal rainfall are calledI) lsohyta3) Isothyetal
2) Isothermal4) Contour
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80. The surface drains which are best suited to the drainage of scattereddepression or pot holes where the depth of cut is not over 1 m re referredto s1) Bedding 2) Parallel field ditch system3) Random field ditch system 4) Parallel lateral ditch system
81. The portion of the precipitation th t makes its way towards streamchannels lakes or oceans as surface flow is referred to as1) Drain flow3) Runoff
2) Surface flow(4) Drainage coefficient
82 Fixing of irrigation for each shareholder of an outlet on the basis of hissize of holding under the cultur ble command re of the outlet is referredto as(1) Warabandi(3) lrrigation scheduling
(2) intensity of irrigation4) Irrigation share
83. The efficiency of reciprocating pump compared to thatof centrifugalpumpto handle small discharge at high head isI) Same (2) More
(3) Less (4) None of the above
( 17 ) ( um Over
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84. Thiessen polygon method is usedI) to find out groundwater storage2) to identity change in surface storage3) to find out average depth of rainfall over the basin4) None of the above
85. A steady state water flow condition exists when1) he water level responds to change n atmosphere pressure2) The water level drops as the pumping s continued3) The water level first drops then it starts rising4) The water level n the well ceases to decline
86. The term isotropic means1) Hydraulic conductivity varies with direction2) Hydraulic conductivity varies with space3) Hydraulic conductivity is constant in all directions4) Hydraulic head is constant with time
87. A perched water tableI) May lie below the groundwater table2) Gives a fair amount of sustained yield3) May lie above the groundwater table4) May be present n artesian aquifer
8 ) {Continul l
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88. The foot valve is installed in the suction line while pumping with1) Cavity well2) Deep tube-wells in confmed aquifer3) Deep tube-wells in unconfined aquifer4) Opcn well
89 Cavity wells re usually constructed in1) Perched aquifer3) Deep confined aquifer 2) Shallow confined aquifer4) Unconfined aquifer
90. Keeping the hydraulic properties as constant, doubling the diameter ofwell screen in a phreatic aquifer, well discharge will increase about1) 10m; 2) 503) o effect 4) About 11
91. The length of screen in cavity well is decided1) Using well log2) y sieve analysis of aquifer m teri l3) 1/3 of confined aquifer4) No screen is provided
92. Effective rainfall meansI) Rainfall which percolates into groundwater2) Total amount of rainfall3) Amount of rainfall used by the plants4) Amount left in the field after runoff
19 ) ontinued I
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93. Specific speed ns of a centrifugal pump is defended
(I) s n o 2) ns nH 5/2 /t '
3 ) n o n ons 4) nsH 34 lJ1/294 Drainage coefficient means, epth ofwater to be removed from a drainage
field in(I) Three days(3) One day
(2) Two days(4) Depends on type of crop
95. The void r tio of soil is expressed s( I) Reciprocal of porosity(2) Ratio of volume of pores to the total volume of soil(3) Ratio of volume of pores to the volume of solids(4) None of the above
96. Hydraulic ram s aJ) Positive displacement pump
(2) Centrifugal pump(3) Impulse type pumpH) None of the above
97. Normal discharge of a 10 cm diameter tube-well s about(I) O lit/sec (2) 100 litlsec(3) 20 lit/sec (4) None of the above
20 I Continued)
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98. Inflow rate in surface irrigation should beI) < infiltration rate3) infiltration rate
2) > infiltration rate4) Not related to above
99. Leaching requirement LR) is defined as
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1) LR [ Ee of Irrigation water) / Ee of drainage water) 1x 1002) LR [ Ee of drainage water) / Ee of irrigation water) 1x 1003) Total water required for irrigation in a field4) None of the above
1 00 For operation of a centrifugal pump without cavitation, the suction liftplus other losses must be
1) atmospheric pressure3) < atmospheric pressure
2) > atmospheric pressure4) None of the above
101 The period in days for which water is supplied to a crop in a canalcommand is called1) Duty 2) Delta3) Base period 4) None of the above
102 Water application efficiency in drip irrigation is usually1) 60 2) 70 3) 90 4) 50
2 ) Tum Over
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133. Ethanol can be easily obtained from substances rich in
2) Carbohydrates1) Lipids3) Proteins (4) Secondary metabolites134. Which of the following is concerned with phasing out ofCFCs ?
1) Montreal Protocol(3) Outer space treaty
(2) Ramsar convention(4) SAARC summit
135. Photochemical smog formation starts withI) NO,3) Hydrocarbons
3 6 ~ PAN is the
(2) SO,4) VOCs
(1) Initiation material of Photochemical smog2) Intermediate product of Photochemical smog3) Termination product of Photochemical smog4) Harmless product of Photochemical smog
137 Methane n biogas accounts for(1) 50-68 (2) 80-86 (3) 90-94 (4) 100
138 Water vapouIs are present n the1) Troposphere3) Mesosphere
139. URL stands for
2) Stratosphere4) Thermosphere
1 Uniform Resource Locator{2} Universal Resource Locator3) Unlimited Resource Locator4) Upgraded Resource Locator
22 ) Continued
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107 Submersible pumps are suitable for the condition where1) Water is to bc lifted from shallow depth2) Water is to be lifted from deep tube-well3) Large quantity of water required4) Any where
10S Minimum thickness of gravel packs n case of tube-well is1) 20 cm3) 7 5 m
2) 20 rom4) None of the above
109. The flow in open channel is critical when1) Froude number < 12) Froude number> 13) Proude number =4) Froudc number> 1 and Reynold number> 2000
11O Multistage centrifugal pump issued for1) Low discharge condition2) High discharge low head condition3) Higher head condition4) All of the above
111. Water storage efficiency is defined as1) Water stored in root zone)/ Water delivered to the field)
lOP 289 3
2) Water stored in the root zone during irrigation) Water needed inthe root zone prior to irrigation)3) Water stored in the field) / Water applied in the field)4) None of the above
23 ) {TurnOver
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IOP 289 3
112 A layer is designated as imperious if its hydraulic conductivity is(1) 11 5 to 1/10 of hydraulic conductivity of upper layer(2) 50 hydraulic conductivity ofupper layer(3) 40 hydraulic conductivity of upper layer(4) None of the above
113 Cut/fIll ratio in land levelling is kept around(I) 1.2 (2) 0.8 3) 2 1 (4) 4.0
114 In an open channel at critical state of flow the specific energy(1) S mInImum2) has two alternate depths of flow
(3 ) is maximum(4) Iszero
115 Sodium adsorption ratio SAR) is expressed asC ++(1) SAR a
,f Na+ + Mg++)/2(2 ) S R ~ Na..J Ca++ + Cr /2
4) None of the above116 The ratio between the irrigated area and quantity of water used in acommand is called
(I) Delta(3) Duty
4 1
(2) Base period(4) Base ratio
{ };ntinued)
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117 The concept of Potential Evapotranspiration was suggested by1) Blaney-Criddle3) Thomthwaite
2) Christiansen4) Datcy
118. Rotary pumps arc commonly used1) For lifting irrigation water2) For lifting lubricating oils etc.t3) For lifting ir vapour mixture4) None of the above
119. Water application efficiency s defined as
lOP 289 3
1) (Water stored in the root zone during irrigation}/(Water needed inthe root zone prior to irrigation)
2) Water stored n the root zone)/ Water delivered to the field)3) Water stored in the field) Water diverted from the source)4) None of the above
120 Jacob s modification of Thesis non-equilibrium equation are valid for(l) Smaller value of u2) Higher value of well function3) Early pumping data4) Long duration pumping data
5 1 8 100
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