1. To raise the temperature of a unit mass of a substance by one degree, the energy required is known as

Specific gravity

Specific heat

Latent heat

Specific temperature

2. Direction of rotation can be reversed in

stroke engine

stroke engine

Both and

None of these

3. If the forward speed of a tractor drawn seed drill is increased twice, then the seed rate delivered will be

Reduced to half

Double

Increased by four time

Remains the same

4. Which of the following is a correct match?

Mole drain pump drainage

Vertical drainage well drainage

Pipe drain well drainage

Horizontal drain bio-drainage

5. Which of the following is the most correct match?

Manning's formula Estimation of seepage loss in a canal

Kennedy theory open channel flow

Darcy-weisbach formula Friction factor

Seepage meter Design of open channel

6. If the hydraulic radius is more than 5.0m, then for designing an open ditch, the value of Manning's should be taken as

0.002 0.030

0.04 0.045

0.035 0.040

0.040 0.045

7. The development of a tube well should be started from

Middle of screen

Top of screen

Bottom of screen

Bottom of casing pipe

8. Which type of gully is formed on flat land?

U-shaped

V-shaped

L-shaped

T-shaped

9. Check dams are provided with the main objective of

Ponding of water

Causing upstream sedimentation

Reducing channel (gully) slope

All above

10. Dimension of leakage factor is equivalent to

Time

Velocity

Resistance

Length

11. Contour farming is recommended for lands having slope

Less than

2

7 12%

More than 12%

12. If rainfall occurs on a perfectly impermeable surface (such as glass), then the Curve Number for computing runoff will be assumed to be

50

75

100

25

13. The average soil loss in India from agricultural lands is about

6-8 t/ha/year

10-12 t/ha/year

20-30 t/ha/year

80-100 t/ha/year

14. In light sandy soil, with slope 1 to the maximum water application rate of a sprinkler irrigation system is

2.0 cm/hr

2.5 cm/hr

3.0 cm/hr

3.5 cm/hr

15. The water present in the soil between field capacity and permanent wilting point is known

Ground water

Gravitational water

Hygroscopic water

Available water

16. Improper wheel balancing results in

Excessive tyre pressure

Excessive tyre speed

Excessive tyre wear

All above

17. In which of the following tractor components, the speed reduction takes place?

Gear box

Differential

Final drive

All above

18. Which is the most pertinent variable in selecting a machine?

Height of machine

Colour of machine

Size of machine

Ground clearance

19. Concentration of nitrate in unpolluted surface water is generally less than

1 ppm

10 ppm

15 ppm

20 ppm

20. The unit draft in silt loam (moist) soil varies from

0.21 to 0.24 Kg/cm2

0.71 to 0.89 Kg/cm2

0.64 to 0.71 Kg/cm2

0.36 to 0.43 Kg/cm2

21. Water loss through seepage in earthen channels amounts to about

15%

20%

25%

30%

22. Contour bunds are adopted

In low rainfall regions

In highly pervious soils

In high rainfall regions

Where conservation of moisture is needed

23. If a soil sample has porosity of its void ratio will be

0.06

0.60

0.40

0.30

24. The upper limit of a tensiometer for soil moisture tension measurement is

0.85 centibar

8.5 centibar

85 centibar

100 centibar

25. The use of a power tiller is considered economical when it is utilized for

800 hrs/year

1000 hrs/year

1200 hrs/year

1400 hrs/year

26. Thermal efficiency of a diesel engine varies from

25 to 32%

32 to 38%

40 to 45%

45 to 50%

27. Tilt angle in a disc plough varies from

15 to 25°

5 to 10°

25 to 30°

10 to 15°

28. Combustion is which type of process?

Isothermic

Endothermic

Isopleth

Exothermic

29. Hydraulic ram is

A centrifugal pump

An impulse pump

A volute pump

A rotary pump

30. Subsurface drains removes

Gravitational water

Capillary water

Hygroscopic water

All above

31. As compared to an electrical motor driven pump, the cost of lifting water by an engine driven pump is higher by

5 to 10%

10 to 15%

15 to 25%

25 to 40%

32. If the velocity of overland flow is doubled, the erosive capacity is increased

2 times

4 times

6 times

32 times

33. The direction of rotation of the rotor shaft of a rotavator

Opposite to the rotation of tractor wheels

Same as rotation of tractor wheels

Transverse to the rotation of tractor wheels

None of these

34. While operating a combine harvester, the grain not collected by the machine is called:­

Field loss

Shattering loss

Gathering loss

Reel loss

35. The energy of a raindrop causing erosion is expressed

m-mg ha.mm

m.mg ha

m.t ha

t ha-m

36. Evaporation pan coefficient of class pan is generally taken as

7.0

0.7

0.007

5.5

37. The kinetic energy of raindrops compared to that of runoff is

100 times more

100 times less

250 times more

30 times more

38. Dicken's formula is used to determine

Peak discharge

Monthly runoff

Periodic runoff

Fortnightly runoff

39. Tension on a hydraulic structure develops because of

Load of water

Action of uneven forces

Structural weight

None of these

40. Erodibility is basically associated to

Soil properties

Rainfall properties

Crops

Cultural practices

41. One hectare is equal to

10,000 sq.m.

100,000 sq.m.

1000 sq.m.

100 sq.m.

42. The unit of draft of implement is

Horse power

mm

foot

kilogram force

43. The ratio of total volume of water delivered to a crop, to area on which it has been spread is called

duty

delta

critical path

specific volume

44. The relationship between bench width and depth of cut in bench terraces is given

<img src='./qimages/3399-44.jpg'>

45. The unit of delta is

cm

cm-1/2

cm-2

cm2

46. Spacing of drains in flat land under parallel field drain system varies from

150 300 m

100 500 m

100 200 m

300 450 m

47. Spacing of mole drains varies from

2 to 5 m

5 to 7.5 m

7 to 15 m

2 to 10 m

48. Dimension of leakage factor is

L

L/T

T

LT

49. Velocity Measurement of stream flow is carried out by the device called

Current meter

Planimeter

Tachometer

Hydrometer

50. In large watersheds, the peak discharge is computed by

Q alpha A-n

Q alpha route s-1

Q log A

Q alpha An

51. The first law of thermodynamics is a statement about

Conservation of energy

Conservation of momentum

Conservation of heat

Conservation of work

52. Unconfined aquifer is also called as

Semi-confined aquifer

Water table aquifer

Aquifuge

All of above

53. Inward slope of a bench terrace is in the range of

1 5 Percent

5 10 Percent

2 10 Percent

8 20 Percent

54. If a soil sample has porosity of 40 percent, its void ratio will be

0.06

0.28

0.40

0.66

55. The uppermost line of seepage in an earth embankment is called

Phreatic line

Lower most flow line

Runoff line

Water pressure line

56. Soil erosion will be more in

Clay soil

Loam soil

Sandy soil

Silty clay soil

57. As per BIS recommendation, the shape of lined channels should be

Semi-circular

Trapezoidal

Parabolic

Rectangular

58. The maximum rate of emission by drippers under normal working condition is

15 lit /hr

10 lit /hr

5 lit /hr

20 lit /hr

59. Operating speed of power sprayer varies from

2 5 km /hr

4.8 8 km /hr

10 20 km /hr

20 35 km /hr 50-o`gn



60. Bakhar is a type of harrow

Disc harrow

Blade harrow

Spring tooth harrow

Spike tooth harrow

61. Usually mould boards are made from

Mild steel

Soft center steel

Chilled steel

Hardened carbon steel

62. The most commonly used implement for clod crushing is

Grubber

Blade harrow

Pata Patela Planker

None of above

63. Frog is a part of

M. B. Plough

Disc Plough

Disc harrow

Indigeneous plough

64. The angle between the axis of gang and line perpendicular to the direction of motion of disc harrow is called

General angle

Disc angle

Gang angle

Tilt angle

65. High speed engines have

1000 or less r.p.m.

1000 or more r.p.m.

500 r.p.m.

300-500 r.p.m.

66. The oil pressure in lubricating system of tractor engine is around

1.0 kg/cm2

1.5 kg/cm2

2.0 kg/cm2

3.0 kg/cm2

67. Diesel cycle is also known as

Combination cycle

Constant volume cycle

Constant pressure cycle

and both

68. Multi crop thresher is equipped with

Rasp-bar cylinder

Spike tooth cylinder

Both and

Beater type cylinder

69. A reaper is used for

Cutting crop

Cutting wood

Cutting and threshing

Threshing

70. The S.I. unit of torque is

Jule

Paskal

Newton-Meter

Watt

71. If drainage canal discharge is 0.2 m3/sec and the drainage area is 250 hectares, then the drainage coefficient will be

70 cm

70 mm

0.5 cm

7 mm

72. The effect of gravity force upon the state of flow is represented by

Reynold's number

Darcy's number

Kennedy's number

Froude's number

73. A petrol engine is easily identified by seeing

Spark plug

Oil cleaner

Fly wheel

Injector

74. Brake lining is mounted on

Wheel cylinder

Brake drum

Brake shoe

Master cylinder

75. The S.I. unit of pressure is

Kg cm2

mm of Hg column

Pascal

Bar

76. The constant volume cycle is also called

Carnot cycle

Otto cycle

Diesel cycle

Rankine cycle

77. The efficiency of a Carnot engine depends on

Design of engine

Temperature difference

Type of material used

Capacity of engine

78. For an engine running at 1500 r.p.m. the cam shaft speed will be

750 r.p.m

1500 r.p.m

2250 r.p.m

3000 r.p.m

79. In ploughs, rear furrow wheels are provided to

Reduce side thrust on the plough

Control depth of cut

Transport Machines

None of these

80. An aspirator uses the following principle to separate chaff from grain

Difference in size

Difference in weight

Difference in colour

Difference in terminal velocity

81. Sub irrigation is useful in a situation where

Saline water is used for irrigation

Soil is heavy clay to permit capillary rise

Capillary movement is rapid around roots

No hard pan is present

82. The difference between a shallow tube-well and a deep tube well is made on the basis of

Depth of aquifer

Depth of tube-well

Position of water table

Type of aquifer

83. The brake horse power of a centrifugal pump has a direct relationship with:

The speed of the impeller

The square of the speed of impeller

The cube of the speed of impeller

None of these

84. Most common method for irrigating the potato crop is

Sprinkler method

Check-basin method

Furrow method

Border method

85. Chute spillway is superior to drop inlet spillway when

Large discharge is required

No opportunity to provide temporary storage

Channel is to be brought down a steep slope

All of these

86. Sheet of water which overflows a weir is called

Head

Static head

Nappe

None of these

87. Infiltration rate during irrigation

Increases

Decreases

Both and

None of these
88. Darcy's law is valid under the conditon of

Laminar flow with Reynold's number 10.0

Reynold's number 1.0

Newtonian flow

Steady uniform flow

89. The ratio of volume of voids to the total soil volume is called

Porosity

Void ratio

Dry bulk density

Wet bulk density

90. The sprinkler system operates at following pressure range

1 4 kg cm2

4 8 kg cm2

4 12 kg cm2

8 12 kg cm2

91. The wells in which the water levels remain at the water table level are

Non-artesian wells

Artesian wells

Confined wells

Tube wells

92. The soluble soil matters are

Sand and silt

Clay and organic matter

Sand, silt, clay and organic matter

None of these

93. The minimum wind velocity required to initiate movement of soil particles is knows as

Critical velocity

Dynamic velocity

Intrinsic velocity

Threshold velocity

94. The minimum water content at which the soil just begins to crumble when rolled into threads is known as

Liquid limit

Plastic limit

Shrinkage limit

Permeability limit

95. A soil has hydraulic conductivity in horizontal and vertical directions as K1 and K2, then its effective hydraulic conductivity would be

K K

K K 2

K x K

x K 1/2

96. If a fourth order watershed has bifurcation ratio as the number of second order streams would be





16

32


97. The average water extraction of plants from the first 25% of soil depth

50%

45%

40%

35%

98. In coarse sand and fine gravel layers free from silt and clay, the radius of influence of wells ranges from

300 600 m

180 300 m

90 180 m

30 90 m

99. In treatment of catchment area of gullies, contour bunds are recommended for lands with slopes upto

4

6

8

10

100. At field capacity, soil moisture tension is

10 30 centi bar

10 30 bar

7 32 centi bar

7 32 bar

101. Power developed by an average pair of bullocks is about

750 kW

75 kW

750 W

75 W

102. Soil formation that have the maximum specific yield is

Clay

Sand

Gravel

Sand stone

103. Runoff coefficient will be higher in

Sandy soil

Sandy loam soil

Clay and silt loam

Stiff clay

104. Froude's number is the ratio of the

Inertia force to the shearforce Inertia force to the viscous force Inertia force to the gravity force Viscous force to the gravity force
105. The ratio of the basin area to the area of circle having the same perimeter as the basin is known as

Circulatory ratio

Elongation ratio

Compactness coefficient

Farm factor

106. A practical method of reducing sheet erosion from slopy land is

Keep the land fallow

Farming on contour strips

Construction of small reservoir

Use plastic sheet

107. The percentage of soil particles transported by saltation process in case of wind erosion varies from

3 to 40

50 to 75

80 to 90

5 to 25

108. The average firing interval for 6 cylinder, 4 cycle engine is

120°

180°

240°

360°

109. The drip irrigation is very effective for

Water conservation

Management of large cultivable land for high production

Energy conservation

All above

110. Irrigation interval of drip irrigation varies from

3 4 days

1 3 days

7 days

15 days

111. Blade diameter of gear type hand operated winnowing fan is

0.50 m

0.25 m

0.75 m

1.05 m


112. The device used to apply liquids in a crop is called:­

Duster

Ridger

Sprayer

Pump

113. In seed drill, kind of device used to transmit power from ground wheel to seed metering mechanism

Gear

Chain and sprocket

Belt and pulley

Rope and wheel

114. Emitters are used

Sprinkler irrigation

Surface irrigation

Drip irrigation

Sub-surface irrigation

115. The form of water which is not available to plants,

Unavailable water

Hygroscopic water

Capillary water

Free water

116. Functions of a planter are:­

Open the furrow

Meter the seed

Place the seed in furrow

All of these

117. The weight of 1Kg mass on the earth will

1 Kg

9.8 Kg

98 Kg

9.8 N

118. A tractor with 21 splines P.T.O. shaft will have standard speed

540 r.p.m.

1000 r.p.m.

1540 r.p.m.

1800 r.p.m.

119. In a combine harvester, the reel index should normally

0.75 to 1.0

1.50 to 1.75

1.75 to 2.0

1.25 to 1.50

120. A thresher causes more seed damage

Cylinder speed is increased

Cylinder clearance is increased

Aspirator speed is increased

All of the above

121. A combine harvester discharges grains left on heads can be corrected

1. Increasing the cylinder speed

2. Decreasing the cylinder concave clearance

Only statement is correct

Only statement is correct

Statement and both are correct

Neither statement nor is correct

122. In irrigation, tensiometer is used for:­

The measurement of soil moisture content

The measurement of soil moisture tension

Irrigation scheduling

Both and are correct

123. 20-40 rule is used to compute:­

Head loss in a drainage pipe

Slope of drainage ditch

Design discharge below the junction point of ditches

Hydraulic radius of drainage ditch

124. A geological formation, which has more water holding capacity but impermeable for flow of water, is known

Aquifer

Aquifuge

Aquitard

Aquiclude

125. To ensure surface drainage, a minimum furrow grade needed

0.5%

0.05%



10%

126. The air standard efficiency of a Otto cycle compared to diesel cycle for the given compression ratio

Same

Less

More

Unpredictable

127. The pressure and temperature at the end of compression stroke in a petrol engine are of the order

4-6 Kg/cm2 and 200-250°C

6-12 Kg/cm2 and 250-350°C

12-20 Kg/cm2 and 350-450°C

20-30 Kg/cm2 and 450-500°C

128. For an engine running at 1500 r.p.m., the cam shaft speed

750 r.p.m.

1500 r.p.m.

2250 r.p.m.

3000 r.p.m.

129. The temperature gauge on the tractor dashboard indicates the temperature

Coolant circulating in the engine

Engine running at standard speed

Lubricating oil in the sump

Ideal engine running temperature

130. The hydrostatic hydraulic system of a tractor is based

Bernoulli's theorem

Archimede's principle

Pascal's law

None of these

131. The boundary line along a topographic ridge separating two adjacent drainage basins is called

Contour line

Drainage divide

Iso bath

Iso chrome

132. Rolling resistance of a traction device can be reduced

Increasing the diameter of the device

Increasing normal load on the device

Increasing sinkage due to device

None of these

133. Spraying of crops is usually avoided on windy days because:­

Drif increases

Gets inhaled by the operator

Cause the chemical to break down

None of these

134. A thresher sieve allows the following to pass through its perforations:­

Clean grain

Chaff for blowing away

Dust particles

Both grain and dust

135. If all other parameters are fixed, then doubling the diameter of a tubewell increases the discharge

75%

50%

20%

10%


136. The sum of static suction head and static discharge head is called:­

Pressure head

Velocity head

Total static head

Total discharge head

137. For a given condition, a high intensity rain produces:­

Less splash

More infiltration

More splash

Crusting of soil

138. At optimum moisture content, the dry density of soil will

Minimum

Maximum

Average

Zero

139. Soil degradation takes place due

Geological erosion

Accelerated erosion

Glacial erosion

Tidal erosion

140. Steady infiltration rate is called:­

Basic intake rate

Seepage rate

Percolation rate

Cumulative infiltration rate

141. The hydraulic diffusivity of an aquifer is expressed in terms of transmissibility and storage coefficient

D=T . S







142. In terms of discharge the well loss will be proportional to:­D1/2

D

D1/2

D2

D-2

143. In a watershed, when the streams of second and third order meet, the resulting stream is of order:­

Second

Third

Fourth

Fifth

144. The product of hydraulic conductivity and aquifer thickness is called:­

Storage coefficient

Specific yield

Transmissibility

Drainable porosity

145. Line joining equal depths of water table are called:­

Isobath lines

Isohyete lines

Isobar lines

None of these

146. The oil to be used in engine for lubrication purpose

SAE 90

SAE 50

SAE 30

None of these

147. Oil pump in an engine is driven

Cam shaft

Crank shaft

Timing gear

Rocker shaft

148. Which is the correct firing order of six cylinder engine?









149. Internal energy of ideal gas is a function

Temperature and volume

Pressure and volume

Pressure and temperature

Temperature alone

150. Characteristic gas constant of any perfect gas:­

Increases with increase in temperature

Increases with increase in pressure

Is a function of pressure and temperature

Is constant

151. Zeroth law of thermodynamics defines:­

Internal energy

Temperature

Enthalpy

Pressure

152. Movement of irrigation water from the soil surface into the soil is called:­

Percolation

Interflow

Infiltration

Water intake

153. In general, the contour bunding practice is not recommended for the following type of soil:­

Loamy soil

Deep black soil

Sandy soil

Highly permeable soil

154. Most efficient rectangular cross section of a channel is defined as follows when hydraulic radium is and flow depth is

R d

R d/2

R 2d

R 4d

155. The nature of Hougoudt's equation for drain spacing

Parabolic

Hyperbolic

Elliptical

Circular

156. The empirical method for computing consumptive use of a crop using the mean monthly temperature and day light hours

Thornth waite

Blanney criddle

Hargreaves

Lowry Johnson

157. Ignition quality of diesel fuel is indicated

Octane number

Calorific value

Centane number

Ignition temperature

158. Ballasts are used in rear tyres of a tractor to

Increase stability of tractor

Increase traction

Decrease front wheel slipage

Decrease tractor vibration

159. The use of pressurized radiator cap in forced circulation water cooling system in tractor engines helps in

Reducing the evaporation losses

Increasing the engine operating temperature

Maintaining the appropriate range of temperature of water

Increasing the radiator capacity

160. Permissible flow velocity for design of grassed waterway to be under a good grass cover is taken as

1 1.5 m/s

1.5 1.8 m/s

2 2.5 m/s

2.5 3.0 m/s

161. If the Froude's number during a hydraulic jump is 1-1.7, then it is called:­

Oscillating jump

Weak jump

Steady jump

Undular jump

162. The second law of thermodynamics describes the statement about:­

Enthalpy

Work

Entropy

Heat

163. The flow velocity of water is measured

Anemometer

Current meter

Tensiometer

None of these
164. The capacity of a centrifugal pump varies with its speed

(a) N2

N N-1

N



165. Cavity well is most suitable under the following condition:­

Aquifer with fine sand and small thickness

Aquifer with coarse sand and small thickness

Aquifer with coarse sand and large thickness

Aquifer with coarse sand and hard covering layer

166. For a well, yield per unit of draw down is called:­

Specific yield

Specific capacity

Well yield

Safe yield

167. The number of stream segments per unit area of water shed is known

Watershed density

Stream density

Stream order

Basin relief

168. Usually, the discharge capacity of minor distributary in India is

1000 lit/sec

750 lit/sec

0.75 5.5 cumec

4 8.5 cumec

169. The unit of infiltration rate is

mm/hr

cm3/hr

m2/hr

None of these

170. Which soil has a higher angle of repose?

Sandy soil

Clay soil

Sandy loam soil

Clay loam soil

171. Depth of open ditch for surface drainage varies from:­

60 to 100 cm

100 to 150 cm

150 to 250 cm

30 to 60 cm

172. Spacing of mole drain generally varies from:­

5 to 7.5 m

7 to 15 m

2 to 5 m

2 to 10 m

173. The value of recession constant









174. The value of circulatory ratio of watershed varies from:­

0.2 to 0.8

0.4 to 1.0

1.5 to 2.0

4 to 4.5

175. Which of the following describes the best meaning of Ergonomics?

Crop sciences

Machine economics

Worker and working environment

None of these

176. Thermodynamic equilibrium of a system does not require:­

Mechanical equilibrium

Thermal equilibrium

Optical equilibrium

Chemical equilibrium

177. Horizontal to vertical side slope in a cipolette weir

1 2

1 4

2 1

4 1

178. If is the head over the crest of a triangular weir, the discharge will be proportional to H3/2

H1/2

H3/2

H5/2

H2

179. The dimensions of transmissibility of an aquifer will be

L/T

L2/T

L/T2

None of these

180. The distance between the centre of a well and the outer point of the cone of depression is called

Well radius

Aquifer radius

Radius of draw down

Radius of influence