1. When flow parameters change with time but remain constant with space the flow is called

Unsteady uniform flow

Steady uniform flow

Steady non-uniform flow

Unsteady non-uniform flow

2. A submersible pump may

Single stage pump

Multi stage pump

Centrifugal pump

Both and

3. The high moisture grain should be kept

Air tight structure

Aerated structure

Pucca kothi

Gunny bags in closed room

4. Most commonly used storage structure by Food Corporation of India in India

Pusa bins

CAP storage

Hapur bins

None of the above

5. Density of water

1000 kg/m3

500 kg/m3

1500 kg/m3

2000 kg/m3

6. LSU dryer was developed

London State University

Ludhiana State University

Lucknow State University

None of the above

7. Specific energy diagram is plotted between specific energy and depth of flow for:­

Variable discharge

Constant discharge

Constant Froude number

None of the above

8. Maximum recommended air temperature for drying of wheat

20°C

40°C

60°C

90°C

9. Desirable temperature for safe storage of potato



8°C

12°C

None of the above

10. Which of the following is not a type of fluid flow?

Steady

Direct

Laminar

Compressible

11. In the cold storage, the storage temperature is normally:­

to 10°C

15°C to 25°C

30°C to 40°C

45°C to 55°C

12. Hullers are used to

Boiling of rice

Remove husk from paddy

Grinding of rice

Storage of rice

13. Unit of refrigeration

Quintal

Gram

Kg

None of the above

14. One hectare is equal

1000 square-m

100 square-m

100000 square-m

None of the above

15. Fore sight is also known

Positive sight

Minus sight

Intermediate sight

Vertical sight

16. Reduced level of a point is its height or depth above or below:­

The ground surface

The assumed datum

The line of collimation

Both and

17. Hygrophilic soils are those:­

which attract water

which do not attract water

which transmit water

which produce water

18. Froude number for a triangular channel is given

<img src='./qimages/3399-18.jpg'>

19. In building material RCC stands for:­

Revised cost calculation

Revised construction cost

Reinforced central construction

None of the above

20. For slabs and beams, the following grade of concrete mix generally used:­

1 3 6

1 4 8

1 5 10

None of the above

21. A laminar flow is associated

Low flow velocity

Moving of fluid without lateral mixing

Absence of eddies

All above

22. A uniform flow generally occurs

An inclined channel of constant bed slope

A level channel

A channel with negative slope

All of the above

23. The Manning's roughness decreases with%&

Decrease in flow depth

Increase in flow depth

Decrease in turbulence

Both and

24. At the critical flow condition the velocity head is equal

Half of the flow depth

Half of the hydraulic depth

Two times of hydraulic radius

None of the above

25. Dimension of dynamic viscosity are%&

ML-1T-1

MLT-1

ML-1T

M-1LT

26. Bernoulli's equation is applicable for%&

Frictionless steady flow

Incompressible flow

Ideal flow

Both and

27. A trapezoidal weir is said to be cipolettie when its side slope

tan theta/2) 1/4

theta° 30°

sin theta 1/4

None of the above

28. Frictional head loss in a pipe is directly proportional

Length of pipe

Diameter of pipe

Both of the above

None of the above

29. Current meters are used to determine%&

Flow type

Flow turbulence

Flow direction

Flow velocity

30. Seepage force always acts

Upward direction

Downward direction

In the direction of flow

In the opposite direction of flow

31. The weight of the fluid per unit volume is also called%&

Specific volume

Specific weight

Density

None of the above

32. The dynamic viscosity of a fluid expressed as equals

10 Newton second per m2

1 Newton second per m2

1 Newton meter per second

0.1 Newton second per m2

33. The flow is said to be turbulent if the Reynold number in a pipe

5000

1800

1500

1000

34. Bernoulli's equation is related

Mass conservation

Energy balance

Heat conservation

Water conservation

35. Ratio of buoyant forces to the viscous forces of the fluid flow is known

Prandlt number

Grashof number

Reynolds number

None of the above

36. Friction factor is important parameter particularly

Laminar flow

Turbulent flow

Viscous flow

Vertical flow

37. Venturimeter is used to measure flow of fluids in pipes when pipe is

Horizontal

Vertical downward

Vertical upward

In any position

38. Under open flow conditions, the hydraulic jump is formed when the Froude number

Equal to one

More than one

Less than one

None of the above

39. At critical depth of flow

Specific energy is minimum

Specific energy is maximum

Both and

None of the above

40. If a fluid which possess some viscosity is known

Real fluid

Imaginary fluid

Specific fluid

None of the above

41. A large Reynold's number is indication

Highly turbulent flow

Laminar flow

Steady flow

Smooth and stream line flow

42. The flow in the open channel may be characterized as laminar flow when Reynold's number

Re 500

Re 2000

Re 1000

Re 800

43. One stoke is equal

1 m2/s

0.1 m2/s

1 x 10-2 m2/s

1 x 10-4 m2/s

44. The velocity of water through a circular channel will be maximum when the depth of water

0.95 times the diameter of channel

0.81 times the diameter of channel

0.67 times the diameter of channel

0.50 times the diameter of channel

45. Absolute pressure is equal

Gauge pressure Atmospheric pressure

Gauge pressure Vacuum Pressure

Atmospheric pressure Gauge pressure

Atmospheric pressure Gauge pressure

46. Hydrostatic pressure at a point meter below the top surface of a liquid with specific weight . will

h

h

h

h2

47. The dimension of specific gravity are%&

MLT

ML2T

ML-1

None

48. The hydraulic radius for a fully flowing pipe of 1 meter diameter will

1 meter

0.5 meter

0.25 meter

2.0 meter

49. Manning's formula for mean flow velocity

<img src='./qimages/3399-49.jpg'>

50. The Force per unit area in fluids is exerted%&

In all directions

Lower depths

Horizontal ways

Upward

51. The length of Gunter's chain

100 feet

50 feet

66 feet

75 feet

52. Length of a metric chain

1 m

20 m

50 m

100 m

53. The bench mark fixed at the end of a day's of survey work is called%&

Permanent bench mark

Arbitrary bench mark

Temporary bench mark

None of the above

54. The imaginary line joining the geographical North and South is known

Geographical meridian

Magnetic meridian

Arbitrary meridian

All of the above

55. The bearing of line AB is 40° 26'10" and bearing of AC is 140° 30'40". What will be angle between lines AB and AC?

180° 50"

130° 10"

100°

230°

56. Alidade is an important instrument used in which survey?

Plane table survey

Chain survey

Theodolite survey

Compass survey

57. Instrument used for measurement of areas of figure having irregular boundaries are%&

Anemometer

Planimeter

Rolling meter

All of the above

58. Manning's formula is used to determine flow velocity in which type of flow%&

Rapidly varied flow

Non-uniform flow

Uniform flow

Critical flow

59. At critical state of flow the kinetic energy of flow is equal

One fourth of its potential energy

One half of its potential energy

One third of its potential energy

One fifth of its potential energy

60. In general, the curing of concrete should be continued for the duration

1 to 2 days

3 to 5 days

15 to 20 days

7 to 10 days

61. The hydraulic radius of a channel in terms of its wetted perimeter and cross sectional area is given

R A x P

R P A

R A P

R A2 P

62. Hydraulic jump formula is based

Froude number of flow

Reynold number of flow

Critical number of flow

Specific number of flow

63. For an average size family of five members including two adults and three children, the capacity of septic tank should be kept about%&

1.8 cubic m

2.8 cubic m

3.8 cubic m

4.8 cubic m

64. Which of the following is not a method of seasoning of wood?

Water seasoning

Air seasoning

Pneumatic seasoning

Kiln seasoning

65. In a mortar, the common ratio of cement to sand

1 3

1 6

1 4

1 8

66. The section factor for uniform flow condition is given AR1/3 AR5/3

<img src='./qimages/3399-66.jpg'>

67. Surkhi as a building material can be used as a substitute for%&

Sand

Steel

Cement

Lime

68. Compressive strength of concrete generally ranges between%&

50 100 kg/cm2

150 200 kg/cm2

300 700 kg/cm2

800 1000 kg/cm2

69. Pure lime contains%&

95% or more Calcium oxide

More than 25% Magnesium oxide

Less than 50% Calcium oxide

Less than 25% Magnesium oxide

70. The Bio chemical oxygen demand of domestic sewage ranges from%&

100 200 mg/litre

150 200 mg/litre

250 400 mg/litre

500 1000 mg/litre

71. Flush doors are becoming more popular due

Greater durability

Greater weight

Better look

None of the above

72. The following type of mortar may be used in brick masonary%&

Lime mortar

Mud mortar

Cement lime mortar

All of the above

73. Rapid hardening Portland cement is manufactured

Fusing together lime stone and shale

At extremely high temperature cement clinker's

Gypsum is added in small quantities to this clinker

All of the above process

74. All natural channels are generally%&

Non-prismatic

Prismatic

Ideal

None of the above

75. D.P.C is provided throughout the width of plinth for the entire building to prevent%&

Heating of building

Cooling of the building

To prevent dampness in the building

Stop the theft

76. A good building stone should have%&

Strength

Good appearance and color

Resistance to fire

All above three

77. A fluid flow is said to be ideal or perfect when it has%&

No frictional effect between moving fluid

Viscosity

Turbulence

Temperature effect

78. Which one of the following is fluidised solid?

Flour

Fruit juice

Honey

Carbon di oxide

79. At critical flow condition, the section factor can be expressed c

<img src='./qimages/3399-79.jpg'>

80. The function of the cutting fluid in Lathe machine is

Cool the tool and work piece

Provide the lubrication

Improve surface finish

All of the above

81. Closed impellor is suitable to handle the liquids of type%&

Viscous

Non-viscous

Dense

Thin

82. Barbed wire is generally made of wire with gauge of about%&





12

14

83. A thin layer of coal tar is applied on the surface of timber for%&

Protection from rains

Preservation

Insect-resistance

All of the above

84. Farmstead should be located near the source of permanent%&

Road

School

Water supply

All above three

85. Which one of the following is not the sanitary fittings?

Wash basin

Sink

Flushing cistern

Dustbin

86. Static head of a pump is equal

Sum of suction head and delivery head

Suction head

Delivery head

Difference of delivery head and suction head

87. For steel casting following type of sand is better%&

Medium grain sand

Fine grain sand

Coarse sand

None of the above

88. Grouting uses grout which is a mixture

1 part cement 2 part sand sufficient water

1 part cement 3 part sand 5 part water

2 part cement 5 part sand 10 part water

2 part cement 2 part sand 3 part water

89. Seasoning of timber is done

Make it water proof

Add moisture in timber

Heat the timber

Expel the moisture from timber

90. Wood for pattern is considered dry when moisture content

Less than 15 percent

More than 50 percent

Zero percent

Less than 50 percent

91. Semi open impeller is used for%&

Clean water

Hot water

Sewage water

None of these

92. For which type of pump verticality of tube well is critical%&

Jet pump

Submersible pump

Directly connected centrifugal pump

Reciprocating pump

93. The parameter which is least important for a selection of pump is

Discharge

Horse power

Head

Quality of water

94. The relationship to determine break horse power in a centrifugal pump

Water horse power x pump efficiency

Water horse power pump efficiency

Water horse power pump efficiency

Pump efficiency water horse power

95. Water can be lifted from a depth beyond 45 meter

Centrifugal pump

Jet pump

Submersible pump

None of the above

96. The hand pump used in houses is a type of pump%&

Submersible pump

Reciprocating pump

Centrifugal pump

Jet pump

97. Practically the suction head of a centrifugal pump should not exceed%&

8 meters

12.5 meters

32.5 meters

13.20 meters

98. Nozzle and venturi are main components

Centrifugal pump

Jet pump

Reciprocating pump

Submersible pump

99. If a chain is too long, the measured distance will be less than actual, then the correction will

Can be negative or positive

Zero

Negative only

Positive only

100. Reciprocating pumps are found to be best suited for%&

Low discharge and high heads

Low discharge and low heads

High discharge and high heads

High discharge and low heads

101. High lift centrifugal pump are generally%&

Multi stage pumps

Used in deep wells

Both and

Single stage pumps

102. In the centrifugal pump, the liquid enters through%&

Eye of the impeller

Delivery pipe

By-pass line

None of the above

103. Axial flow pump delivers large quantity of water

High heads

Medium heads

Low heads

Zero heads

104. Which of the following type of impeller is used for centrifugal pump dealing with mud%&

One side shrouded

Two side shrouded

Double action

Open from both side

105. Quick sand is a state

Flow

Land slide

Land Levelling

None of the above

106. Filling water before its operation in a centrifugal pump is called%&

Testing of pump

Energizing of pump

Priming of pump

All of the above

107. Propeller pumps are used for%&

Low head and low discharge

Low head and high discharge

High head and low discharge

High head and high discharge

108. If a pump vibrates, the possible reasons may

Misalignment

Poor suction conditions

Bearing failure

All of the above

109. In centrifugal pumps, the number of vanes made in impeller varies from%&

3 to 12

5 to 10

10 to 12

7 to 12

110. Handerson's equation is used to determine%&

Critical duration of storage

Critical depth of flow

Critical temperature

None of the above

111. The vertical height to which the liquid can be raised by the pump above center line of pump is called%&

Suction head

Total head

Discharge head

Total differential head

112. Separation of grains by screening is done on the basis

Size

Colour

Texture

Weight

113. Which of the following is not a type of impeller of a centrifugal pump%&

Semi-open

Closed

Open

High speed

114. Discharge of reciprocating pump is constant regardless

Temperature

Speed

Delivery head

Suction head

115. Most efficient channel section

Triangular

Trapezoidal

Rectangular

Semi circular

116. The type of survey in which the shape of earth is taken into account is called%&

Geodetic survey

Curvature surface

Precise survey

All above

117. If the moisture content is 20% on wet basis. The moisture content on dry basis will be



15%

35%

25%

118. In thin layer drying the grain depth is limited up

20cm

30cm

40cm

50cm

119. Which of the following is not an EMC model

Kelvin equation

Harkins-Jura equation

Rankine equation

Henderson equation

120. Which of the following is not a type of grinder?

Attrition mill

Burr mill

Hammer mill

Solvent extraction mill

121. In commercial rotary dryers the length of drum

From 3 to 6m

From 8 to 11m

From 13 to 16m

From 18 to 21m

122. Which of the following is not a part of a hammer mill?

Rotor

Cast iron plates

Hammer

Screen

123. The drier which uses the principle of thin layer drying is known

Baffle type dryer

Sack dryer

Continuous flow dryer

Batch type dryer

124. What will be the equivalent pressure head of kerosene if its specific gravity of 0.81, if water pressure head is 100m%&

123.46m

184.36m

81.0m

162.0m

125. Which is not the method for drawing flow nets%&

Analytical method

Graphical method

Electrical analogy method

Curve fitting method

126. Pitot tube is a simple device used to measure%&

Density of flow

Velocity of flow

Type of flow

None of the above

127. Post harvest losses of fruits and vegetables in handling is about%&

35%

40%

45%

50%

128. For maximum discharge in a circular channel the depth of flow should be equal

0.70 times diameter

0.95 times diameter

0.82 times diameter

1.15 times diameter

129. Parboiling of rice before milling is done

Decrease nutritional value

No change in nutritional value

Decrease of yield

Increase nutritional value

130. The size of the food grains in attrition mill is reduced

Shear and crushing

Impact and shear

Impact and crushing

Impact only

131. Generally the frozen food are stored at a temperature of

0°C





-18°C

132. In a batch type pasteurizer, milk is heated

61°C for 30 minutes

61°C for 30 seconds

40°C for 15 minutes

40°C for 15 seconds

133. The amount of heat required to raise the temperature of 1gm milk by one degree celsius in comparison to water

85%

93%

107%

100%

134. In a ball mill or pebble mill, most of the size reduction is done

Shearing

Cutting

Impact

Crushing

135. Dryers utilizing high gas temperature of 500°C or more. But for short exposure time are called%&

Fluidized bed dryers

Flash dryers

Turbo dryers

Drum dryers

136. Hydraulic jump is based on the principle

Energy conservation

Velocity conservation

Momentum conservation

Turbulence conservation

137. The moisture accumulation in a grain mass stored for a long time when outside environment is hot, taken place

Top surface

Bottom surface

Middle surface

Near the walls

138. One atmospheric pressure is equal

1.0 kg/cm2

1.0 kg/m2

1.0 ton/m2

1.0 N/m2

139. The temperature range for ultra high temperature sterilization of milk

90 100°C

105 115°C

135 150°C

None of these

140. Which standard is applied in International trade of agri-food commodities%&

B.I.S.

Codex-Alimenta

Agmark

None of above

141. Brine is solution

Sodium chloride in water

Sugar Magnesium chloride in water

Calcium chloride in water

None of the above

142. In rice polishing is done for the following job%&

A coating is applied on the outer surface of brown rice

A layer of bran is removed form brown rice

A layer of starch is removed

Only husk is removed

143. The thermal destruction of micro organisms can be expressed as following where%&

N Viable organism at any time

N0 Organism present initially

k Constants

kN2

dN/dt 2kN

dN/dt=k

None of the above

144. Which of the following process is used to separate liquids having different boiling points%&

Crystalization

Fractional distillation

Evaporation

Fractional crystallization

145. The bimetal thermometers are used at temperature rage

500°C to -12°C

500°C to -185°C

538°C to -185°C

538°C to -285°C

146. Types of liquid liquid emulsion

Milk

Water

Sugarcane juice

Oil

147. Necessary hopper slope angles to achieve reliable mass flow

30°-40°

40°-50°

60°-70°

None of the above

148. To prevent spoilage, silage should be removed at the rate

5 cm/day

10 cm/day

15 cm/day

20 cm/day

149. Pressure drop in fluid flow through granular material is best estimated

Black Kozney equation

Burke Plummer equation

Ergun equation

Fourrier

150. Rat proofing cones are provided in grain storage structures at a height

0.9 m

1.2 m

1.5 m

1.8 m

151. Safe moisture content of paddy for storage over one year

10%

11%

12%

13%

152. Angle of repose of wheat grain falls in the range

20°

28°

40°

44°

153. In cold storage, apples can be safely stored for the following period%&

5 months

10 months

15 months

20 months

154. Froude number is the ratio between%&

Inertia force to viscous forces

Inertia force to gravity force

Inertia force to shear force

Gravity force to inertia force

155. Height of instrument method is used for determination

Reduced level

Discharge

Flow velocity

Back bearing

156. A pump may fail to prime due

Air leakage in suction line or pump

Foot value may be leaking

Leakage in rotary shaft seals

All of the above

157. Spread footing is that which support the following%&

Wall and column

Wall only

Column only

None of the above

158. Direct ranging in survey is done%&

When one line overlap into other

When two ends of survey line are inter visible

When two ends are not visible

None of the above

159. Seepage force has the direction%&

Upward side

Downward side

In direction of flow

Opposite direction of flow

160. The shape of rotary and gyratory screen are generally%&

Triangular

Circular or rectangular

Trapezoidal

None of the above

161. An "Archimedean screw", is device used for%&

To tight a screw

To measure electric current

To lift water

To lift earth material

162. For a given cross sectional area the hydraulic radius will increase with%&

Increase in wetted perimeter

Decrease in wetted perimeter

Increase in turbulence of flow

Decrease in turbulence of flow

163. Elbow joints are generally used

Increase the pressure

Reduce flow

Increase flow

Reduce pressure

164. Curvature of the earth is taken into account in surveying when the extent of the area is more than%&

50 km2

100 km2

250 km2

None of the above

165. In order to avoid the tendancy of separation at the throat in a venturimeter, the ratio of dia at throat to that of the pipe should%&

16 1 to 8 1

8 1 to 4 1

4 1 to 3 1

3 1 to 4 3

166. Which of the following is not the characteristic of centrifugal pump%&

Capacity is inversely proportional to speed

Horse power is the function of capacity, head and efficiency of pump

Smooth and even flow

Adaptive to high speed operation

167. Pump is operating but not delivering water, possible causes are%&

Pump head is too high

Rotation of driver is incorrect

Pump speed is too low

All of the above

168. About 90% of full strength of concrete is achived after curing

7 days

14 days

21 days

28 days

169. The chain with 100 links and 100 feet length is known

Gunter's chain

Engineer's chain

Metric chain

None of the above

170. The survey in which curvature of the earth is considered is known

Chain survey

Aerial survey

Compass survey

None of the above

171. The longest chain line in chain surveying is called:­

Check line

Tie line

Base line

All above three

172. Errors in surveying are:­

Instrumental error

Personal error

Measurement error

All of the above

173. The bearing of line taken in the direction of opposite to the progress of work is known

Fore bearing

Back bearing

Whole circle bearing

None of the above

174. Amongst various land levelling methods, the most common method

Plane method

Darcy method

Contour adjustment method

Plane inspection method

175. The volume of earthwork in land levelling can be computed

Trapezoidal rules

Prismoidal method

End area method

Both and

176. The permissible depth of earthwork under land levelling work is about:­

± 3 cm

4.5 cm

5.0 cm

10.0 cm

177. Orifice meter is used to measure:­

Roughness in pipes

Roughness in open channels

Flow in open channels

Flow in pipes

178. The depth from which the liquid has to be lifted by pumps is known

Suction head

Delivery head

Velocity head

Static head

179. Relation between specific speed discharge Head and velocity for a pump s is given 2N · Q 3 4

<img src='./qimages/3399-179.jpg'>

180. If Froude number of flow is inflow and outflow depths are y1 y2, then the jump formula will be:

<img src='./qimages/3399-180.jpg'>