Category: Irrigation Engineering – MCQ

River Training Works – MCQ

River Training Works – MCQ

1. When the river flows through the steep hilly region, then that stage is known as

a) Rocky stage
b) Boulder stage
c) Alluvial stage
d) Delta stage

View Answer

a) Rocky stage.

When the river flows through the steep hilly region, then that stage is known as rocky stage.

2. When the river flows through the plain terrain, then that stape is known as

a) Delta stage
b) Boulder stage
c) Through stage
d) None of these

View Answer

c) Through stage.

3. The permeable temporary structure constructed on the river bank to protect it from erosion is known as

a) Spur
b) Groyne
c) Guide bank
d) Repelling groyne

View Answer

a) Spur.

4. The impermeable permanent structure constructed on the river bank to protect it from erosion is known as

a) Spur
b) Groyne
c) Guide bank
d) Bamboo spur

View Answer

b) Groyne.

5. In which stage river velocity is maximum or very high?

a) Rocky stage
b) Boulder stage
c) Alluvial stage
d) Delta stage

View Answer

a) Rocky stage.

6. At which stage most sediment deposition occur in a river?

a) Through stage
b) Boulder stage
c) Alluvial stage
d) Delta stage

View Answer

d) Delta stage.

7. Due to the unequal erosion of the river banks, the _____ section is developed in the river course

a) Attracting
b) Meandering
c) None of these

View Answer

b) Meandering

Read Also:

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Canal Head Works – MCQ

Diversion Headwork

Canal Lining – MCQ || Irrigation Engineering

Canal Lining – MCQ

1. The objectives of the canal lining are

a) To control seepage
b) To Control the growth of weeds
c) To prevent water-logging
d) All of the above
e) Only (a) and (c)

View Answer

d) All of the above

2. Which of the following type of canal lining is more suitable to control the growth of weeds

a) Cement concrete lining
b) Asphalt lining
c) Bentonite and clay lining
d) Both (a) and (c)

View Answer

a) Cement concrete lining

3. The annual depreciation charge is the ratio of

a) Initial cost / Useful life
b) Initial cost / (2 * Useful life)
c) Useful life / (Initial cost + Repair cost)
d) Useful life / Initial cost

View Answer

a) Initial cost / Useful life

The annual depreciation charge is the ratio of initial cost and the useful life

4. The lining of the canal is done to control the ____ of water

a) Salinity
b) Acidity
c) Seepage
d) All of these

View Answer

c) Seepage.

The lining of canal is done to control the seepage of water.

5. The lining which is done by concrete is called

View Answer

Concrete lining.

The lining which is done by concrete is called concrete lining.

Note: Concrete lining may be cast-in-situ or pre-cast concrete lining.

6. In ____ lining system, the cement mortar is directly laid on subgrade by using a cement gun

a) Short Crete
b) Asphalt
c) Soil-cement
d) Cement-mortar

View Answer

a) Short Crete.

In Short Crete lining system, the cement mortar is directly laid on subgrade by using a cement gun

7. Short Crete lining is also known as

a) Bentonite lining
b) Gun mortar lining
c) Gunite lining
d) None of these

View Answer

c) Gunite lining.

Short Crete lining is also known as gunite lining.

8. Lining of canal is done to prevent the ______.

View Answer

Waterlogging.

Lining of canal is done to prevent the waterlogging.

9. For small channels _______ cement lining is recommended.

View Answer

Soil.

Foe small channels soil cement lining is recommended.

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Canal Section – MCQ

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Canal Section – MCQ || Irrigation Engineering

Canal Section – MCQ

1. The distance between the top of the bank and the top edge of the cutting is known as

a) Berm
b) Freeboard
c) Counter berm
d) None

View Answer

a) Berm

2. Which of the following is provided for stability of the bank while the hydraulic gradient line intersects the outer side of the bank

a) Berm
b) Counter berm
c) Side slope
d) Free board

View Answer

b) Counter berm

3. Permissible side slope in banking for clayey soil is

a) 1:1
b) 1.5:1
c) 2:1
d) 3:1

View Answer

b) 1.5:1

Permissible side slope in banking for clayey soil is 1.5:1

Note: But in cutting it will be 1:1

4. The side slope of a canal bank depends on

a) Angle of repose of the soil
b) F.S.L
c) Climatic change
d) None

View Answer

a) Angle of repose of the soil

5. Permissible side slope in cutting for Alluvial soil is

a) 1:1
b) 1.5:1
c) 2:1
d) 3:1

View Answer

a) 1:1

6. Permissible side slope in banking for sandy soil is

a) 1:1
b) 1.5:1
c) 2:1
d) 3:1

View Answer

d) 3:1

7. Which is provided for safety of the vehicle running over the service road

a) Berm
b) Dowel
c) Spoil bank
d) None

View Answer

b) Dowel

8. The distance between the F.S.L and the top of the embankment is known as

a) Counter berm
b) Free board
c) Dowel
d) Dowla

View Answer

b) Free board

9. In case of canal bank sometimes extra earth is taken from ___.

View Answer

Read More:

Canal Fall – MCQ

Canal Head Works – MCQ

Canal Lining – MCQ

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Flow Irrigation – MCQ || Irrigation Engineering

Flow Irrigation – MCQ

1. Flow irrigation works under

a) Mechanical power.
b) Man & Animal power.
c) Electric power.
d) Gravity.

View Answer

d) Gravity.

2. Inundation irrigation is a type of

a) Flow irrigation
b) Lift irrigation
c) Well irrigation
d) Sprinkler irrigation

View Answer

a) Flow irrigation.

3. Which of the following point should be considered while selecting the alignment of perennial canal

a) As far as possible, the alignment of the canal should be straight.
b) The canal alignment should not be passed over the valuable land.
c) The alignment should cross the natural drainage, stream, etc., at a right angle.
d) All of these.

View Answer

d) All of these.

4. The river in which the water flows more or less to its full capacity throughout the year is known as ____ rivers.

a) Inundation.
b) Perennial.
c) None.

View Answer

b) Perennial.

5. The river in which the water flows to its full capacity only in rainy seasons is known as _____ rivers.

a) Inundation.
b) Perennial.
c) None.

View Answer

a) Inundation.

6. The area included under bandhara irrigation system is known as

a) Thal.
b) Shaed.
c) Seal.
d) Bhad.

View Answer

a) Thal.

7. The canal which is aligned along the watershed line is known as ____ canal

View Answer

Watershed.

The canal which is aligned along the watershed line is known as watershed canal

8. The canal which is aligned at right angles to the contour line is known as __ canal

View Answer

Side slope.

The canal which is aligned at right angles to the contour line is known as side slope canal.

9. The canal which is constructed to generate hydroelectric power is known as ____ canal

View Answer

Power.

The canal which is constructed to generate hydroelectric power is known as Power canal.

10. The canal which is constructed to feed another canal or river is known as _____ canal

View Answer

Feeder.

The canal which is constructed to feed another canal or river is known as feeder canal.

11. In bandhare irrigation, the ‘thal’ is divided into several zones which are known as _____.

View Answer

Phad.

In bandhare irrigation, the ‘Thal’ is divided into several zones which are known as Phad.

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Lift Irrigation – MCQ

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Well Irrigation – MCQ || Irrigation Engineering

Well Irrigation – MCQ

1. When water is obtained from the well for irrigation is known as

a) Drip irrigation.
b) Well irrigation.
c) Sprinkler irrigation.
d) Flow Irrigation.

View Answer

b) Well irrigation.

2. Open wells are wells having diameters varying from

a) 0.5 to 1 m.
b) 2 to 7 m.
c) 8 to 14 m.
d) 15 to 19 m.

View Answer

b) 2 to 7 m.

3. The well which draws water from the unconfined aquifer is known as

a) Deep well.
b) Shallow well.
c) Both.
d) None.

View Answer

b) Shallow well.

4. The well which draws water from the ____ aquifer is known as deep well

a) Surface.
b) Confined.
c) Unconfined.
d) None.

View Answer

b) Confined.

5. To increase the specific capacity of the well ____ of the well should be done.

a) Shrouding.
b) Incrustation.
c) Splitting.
d) All of these.

View Answer

a) Shrouding.

To increase the capacity of the well shrouding of the well should be done

6. The deposition of calcium carbonate and magnesium carbonate inside the tube well is known as

a) Incrustation.
b) Inspection.
c) Shrouding.
d) None.

View Answer

a) Incrustation.

7. The shrouding is done for ____ type of tube well

View Answer

Slotted.

The shrouding is done for slotted type of tube well.

Read More: Failure of Tube Well

8. Recuperation test is adopted to determine the _____ of open well.

View Answer

Yield.

Recuperation test is adopted to determine the yield of open well.

9. Which of the following steps should be taken to reduce the corrosion effect of the tube well

a) Thick pipe should be used.
b) Galvanised pipe should be used.
c) From time to time, washing of the tube well should be done.
d) All of these.

View Answer

d) All of these.

10. Shrouding is done

a) To prevent choking of the strainer
b) To increase the effective diameter of the well
c) To protect the pipe from the corrosive effect of the surrounding soil.
d) All of these.

View Answer

d) All of these.

11. Which test is used to measure the specific capacity of well?

View Answer

Step-drawdown test.

Step-drawdown test is used to measure the specific capacity of well.

Read More:

Lift Irrigation – MCQ

Canal Fall – MCQ

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Lift Irrigation – MCQ || Irrigation Engineering

Lift Irrigation – MCQ

1. In case of lift irrigation, the water is lifted with the help of

a) Man power.
b) Animal power.
c) Mechanical power.
d) All of these.

View Answer

d) All of these.

2. Which of the following statement is True

a) Doon consists of wooden or galvanised tin sheet.
b) Doon has two ends, one end is open and other is closed.
c) Doon is anchored over a fulcrum.
d) All of these.

View Answer

d) All of these.

3. Which of the following method is used for lifting water from deep open well.

a) Swinging Basket.
b) Archimedean screw.
c) Doon.
d) Windlass.

View Answer

d) Windlass.

4. Specific yield is expressed by

a) [latex] S_{y}=\frac{W_{d}}{V_{t}}\times 100 [/latex]
b) [latex] S_{y}=\frac{V_{t}}{W_{d}}\times 100 [/latex]
c) [latex] S_{y}=\frac{2W_{d}}{V_{t}}\times 100 [/latex]
d) [latex] S_{y}=\frac{W_{d}}{2V_{t}}\times 100 [/latex]

View Answer

a) [latex] S_{y}=\frac{W_{d}}{V_{t}}\times 100 [/latex].

Where, Sy = Specific yield. Wd = Volume of water drained. Vt = Total volume of soil after saturation.

5. Without causing any failure of the well, the rate of pumping of water from the well is known as

a) Efficiency of a well.
b) Yield of a well.
c) Specific capacity of a well.
d) None.

View Answer

b) Yield of a well.

6. The impermeable formation which may contain water but is not capable of transmitting water is know as

a) Aquitard.
b) Aquiclude.
c) Aquifuge.
d) Aquifer.

View Answer

b) Aquiclude.

7. The permeable formation of the soil of the earth’s crust is known as

a) Aquitard.
b) Aquiclude.
c) Aquifuge.
d) Aquifer.

View Answer

d) Aquifer.

8. The impervious formation which neither contains nor can transmit water is known as

a) Aquitard.
b) Aquiclude.
c) Aquifuge.
d) None of these.

View Answer

c) Aquifuge.

9. Specific capacity is expressed by (in cumec)

a) Q/S
b) S/Q
c) 2Q/S
d) 2S/Q

View Answer

a) Q/S.

Where, Q = Total discharge in cumec. S = Totatl drawdown in m.

10. Man or animal power is adopted for lifting water from

a) Surface sources.
b) Underground sources.
c) Both.
d) None of these.

View Answer

a) Surface sources.

11. The discharge per unit drawdown is known as

a) Specific Yiel.
b) Specific capacity.
c) Efficiency of a well.
d) Specific retention.

View Answer

b) Specific capacity.

12. The base of the cone of depression is known as

a) Cone of depression.
b) Verticle depression.
c) Circle of Influence.
d) All of these.

View Answer

c) Circle of Influence.

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Canal Fall – MCQ

Flow Irrigation – MCQ

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